MCP4431-104E/ML Microchip Technology, MCP4431-104E/ML Datasheet
MCP4431-104E/ML
Specifications of MCP4431-104E/ML
Related parts for MCP4431-104E/ML
MCP4431-104E/ML Summary of contents
Page 1
... Wide Bandwidth (-3 dB) Operation – 2 MHz typical for 5.0 k Device • Extended Temperature Range (-40°C to +125°C) • Three Package Types: 4x4 QFN-20 TSSOP-20 TSSOP-14 2010 Microchip Technology Inc. MCP443X/5X 2 with I C Interface Package Types (Top View) MCP44X1 Quad Potentiometers ...
Page 2
... C Serial A1 Interface HVC/A0 Module & SCL Control Logic SDA RESET Memory (16x9) Wiper0 (Vol) Wiper1 (Vol) Wiper2 (Vol) Wiper3 (Vol) TCON0 TCON1 Device Features Wiper Device Configuration (1) MCP4431 4 Potentiometer MCP4432 4 Rheostat (1) MCP4441 4 Potentiometer MCP4442 4 Rheostat (1) MCP4451 4 Potentiometer MCP4452 4 Rheostat (1) MCP4461 4 Potentiometer ...
Page 3
... Maximum Junction Temperature (T ) .............. +150°C J 2010 Microchip Technology Inc. † Notice: Stresses above those listed under “Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational listings of this specification is not implied ...
Page 4
... HVC/ ( (Note 11 Write all 0’s to volatile Wiper 5.5V 3.4 MHz DD SCL Serial Interface Active, HVC/ ( (Note 11 Write all 0’s to volatile Wiper 5.5V 100 kHz DD SCL Serial Interface Inactive, (Stop condition, SCL = SDA = Wiper = 5.5V, HVC/ specification. PU 2010 Microchip Technology Inc. ...
Page 5
... The MCP44X1 is externally connected to match the configurations of the MCP44X2, and then tested. 9: POR/BOR is not rate dependent. 10: Supply current is independent of current through the resistor network. 11: When HVC/ the I IHH 2010 Microchip Technology Inc. –40°C +2.7V to 5.5V, 5 k, 10 k, 50 k, 100 k devices. DD Min Typ Max Units 4 ...
Page 6
... R = 8000 AB(MIN 0V 5.5V 40000 AB(MIN 0V 5.5V 80000 AB(MIN) MCP44X1 PxA = PxW = PxB = V SS MCP44X2 PxB = PxW = V SS Terminals Disconnected (R0A = R0W = R0B = 0; R1A = R1W = R1B = 0; R2A = R2W = R2B = 0; R3A = R3W = R3B = 0) specification. PU 2010 Microchip Technology Inc. ...
Page 7
... The MCP44X1 is externally connected to match the configurations of the MCP44X2, and then tested. 9: POR/BOR is not rate dependent. 10: Supply current is independent of current through the resistor network. 11: When HVC/ the I IHH 2010 Microchip Technology Inc. –40°C +2.7V to 5.5V, 5 k, 10 k, 50 k, 100 k devices. DD Min Typ Max Units -6 ...
Page 8
... µA W 3.0V µA W (Note 7) 1.8V µA W 7-bit 5.5V µA W 3.0V µA W (Note 7) 1.8V µA W 100 k 8-bit 5.5V µA W 3.0V µA W (Note 7) 1.8V µA W 7-bit 5.5V µA W 3.0V µA W (Note 7) 1.8V µA W specification. PU 2010 Microchip Technology Inc. ...
Page 9
... The MCP44X1 is externally connected to match the configurations of the MCP44X2, and then tested. 9: POR/BOR is not rate dependent. 10: Supply current is independent of current through the resistor network. 11: When HVC/ the I IHH 2010 Microchip Technology Inc. –40°C +2.7V to 5.5V, 5 k, 10 k, 50 k, 100 k devices. DD Min Typ Max Units -0 ...
Page 10
... All inputs except SDA and SCL V < 2.0V DD 100 kHz 2. SDA V < 2.0V DD and 400 kHz 2. SCL 1.7 MHz 3.4 Mhz Threshold for WiperLock Technology Pin can tolerate V or less. MAX V < 2.0V mA ≥2.0V specification. PU 2010 Microchip Technology Inc. ...
Page 11
... The MCP44X1 is externally connected to match the configurations of the MCP44X2, and then tested. 9: POR/BOR is not rate dependent. 10: Supply current is independent of current through the resistor network. 11: When HVC/ the I IHH 2010 Microchip Technology Inc. –40°C +2.7V to 5.5V, 5 k, 10 k, 50 k, 100 k devices. DD Min Typ Max Units — ...
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... All parameters apply across the specified operating ranges unless noted +2.7V to 5.5V, 5 k, 10 k, 50 k, 100 k devices. DD Typical specifications represent values for V Min Typ Max Units 50 — — ns — — +125°C (extended 5.5V +25° Conditions 2010 Microchip Technology Inc. ...
Page 13
... STO Hold time 94 T HVC to SCL Setup time HVCSU 95 T SCL to HVC Hold time HVCHD 2010 Microchip Technology Inc. Standard Operating Conditions (unless otherwise specified) –40C T Operating Temperature Operating Voltage V range is described in DD Min Max Units Standard Mode ...
Page 14
... MHz mode 320 3.4 MHz mode 160 — 102 92 110 +125C (Extended) A AC/DC characteristics Units Conditions ns 1.8V-5.5V ns 2.7V-5.5V ns 4.5V-5.5V ns 4.5V-5.5V ns 1.8V-5.5V ns 2.7V-5.5V ns 4.5V-5.5V ns 4.5V-5.5V 2 C-bus system, but the 2 C bus specification) before specification, but 2010 Microchip Technology Inc. ...
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... A Master Transmitter must provide a delay to ensure that difference between SDA and SCL fall times do not unintentionally create a Start or Stop condition. 7: Ensured by the T 3.4 MHz specification test. AA 2010 Microchip Technology Inc. Standard Operating Conditions (unless otherwise specified) –40C T Operating Temperature Operating Voltage V range is described in ...
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... Cb = 100 pF, Note 1, Note 400 pF, Note 1, Note 100 pF, Note 1 ns Time the bus must be free before a new transmission ns can start NXP specification states N. Spike suppression ns Spike suppression 2 C-bus system, but the 2 C bus specification) before specification, but 2010 Microchip Technology Inc. ...
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... Electrical Specifications: Unless otherwise indicated, V Parameters Temperature Ranges Specified Temperature Range Operating Temperature Range Storage Temperature Range Thermal Package Resistances Thermal Resistance, 14L-TSSOP Thermal Resistance, 20L-QFN Thermal Resistance, 20L-TSSOP 2010 Microchip Technology Inc. = +2.7V to +5.5V Sym Min Typ Max Units T -40 — ...
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... MCP443X/5X NOTES: DS22267A-page 18 2010 Microchip Technology Inc. ...
Page 19
... DD 3.0 2.5 5.5V 2.0 1.5 2.7V 1.0 0.5 0.0 - Ambient Temperature (°C) FIGURE 2-2: Device Current ( (HVC/ vs. Ambient Temperature 2010 Microchip Technology Inc 250 200 150 100 120 vs FIGURE 2-3: DD Resistance (R A0 Input Voltage (V 12.0 10.0 8 ...
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... INL 85C INL 125C INL -40C DNL 25C DNL 85C DNL 125C DNL 98 INL DNL 128 192 256 Wiper Setting (decimal) Appendix B: for additional resistance variation W > 2.7V. DD Rheo Mode – 1.8V 260 µA 2010 Microchip Technology Inc. ...
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... A 5300 5250 5200 5150 5100 5050 - Ambient Temperature (°C) FIGURE 2-11 – Nominal Resistance vs. Ambient Temperature and V AB 2010 Microchip Technology Inc 6000 5000 2.7V 4000 3000 2000 1000 5. 120 0 32 FIGURE 2-12: . Setting and Ambient Temperature ...
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... W CH0 CH1 CH2 CH3 128 160 192 224 256 Wiper Code Appendix B: for additional resistance variation W > 2.7V. DD – R PPM/°C vs BW(code=n, 125°C) BW(code=n, - /165°C * 1,000,000) = 190 µA). W 2010 Microchip Technology Inc. ...
Page 23
... FIGURE 2-22 – Low-Voltage Decrement Wiper Settling Time (V (1 µs/Div). FIGURE 2-23 – Power-Up Wiper Response Time (20 ms/Div). 2010 Microchip Technology Inc FIGURE 2-24: = 2.7V) Increment Wiper Settling Time ( µs/Div). FIGURE 2-25: = 5.5V) Increment Wiper Settling Time ( µ ...
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... INL 88 85C INL 125C INL -40C DNL 25C DNL 85C DNL 125C DNL 78 INL DNL 128 192 256 Wiper Setting (decimal) Appendix B: for additional resistance variation W > 2.7V. DD Rheo Mode – 1.8V 125 µA 2010 Microchip Technology Inc. ...
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... Ambient Temperature (°C) FIGURE 2-32 – Nominal Resistance vs. Ambient Temperature and V AB 2010 Microchip Technology Inc 12000 10000 8000 6000 4000 2000 0 80 120 0 FIGURE 2-33: . Setting and Ambient Temperature ...
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... W CH0 CH1 CH2 CH3 128 160 192 224 256 Wiper Code Appendix B: for additional resistance variation W > 2.7V. DD – R PPM/°C vs BW(code=n, 125°C) BW(code=n, - /165°C * 1,000,000) = 150 µA). W 2010 Microchip Technology Inc. ...
Page 27
... FIGURE 2-42 – Low-Voltage Decrement Wiper Settling Time (V (1 µs/Div). FIGURE 2-43 – Low-Voltage Decrement Wiper Settling Time (V (1 µs/Div). 2010 Microchip Technology Inc FIGURE 2-44: = 2.7V) Increment Wiper Settling Time ( µs/Div). FIGURE 2-45: = 5.5V) Increment Wiper Settling Time ( µ ...
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... RW 58.5 53.5 INL 48.5 43.5 38.5 33.5 28.5 23.5 18.5 13.5 DNL 8.5 3.5 -1.5 64 128 192 256 Wiper Setting (decimal) Appendix B: for additional resistance variation W > 2.7V. DD Rheo Mode – 1.8V µA 2010 Microchip Technology Inc ...
Page 29
... Ambient Temperature (°C) FIGURE 2-52 – Nominal Resistance vs. Ambient Temperature and V AB 2010 Microchip Technology Inc 60000 50000 40000 30000 20000 10000 0 80 120 0 FIGURE 2-53: . Setting and Ambient Temperature ...
Page 30
... BW(code=n, 125°C) BW(code=n, - /165°C * 1,000,000 µA). W CH0 CH1 CH2 CH3 128 160 192 224 256 Wiper Code Appendix B: for additional resistance variation W > 2.7V. DD – R PPM/°C vs BW(code=n, 125°C) BW(code=n, - /165°C * 1,000,000 µA). W 2010 Microchip Technology Inc. ...
Page 31
... FIGURE 2-62 – Low-Voltage Decrement Wiper Settling Time (V (1 µs/Div). FIGURE 2-63 – Low-Voltage Decrement Wiper Settling Time (V (1 µs/Div). 2010 Microchip Technology Inc FIGURE 2-64: = 2.7V) Increment Wiper Settling Time ( µs/Div). FIGURE 2-65: = 5.5V) Increment Wiper Settling Time ( µ ...
Page 32
... INL 85C INL 125C INL 54 -40C DNL 25C DNL 85C DNL 125C DNL INL DNL 128 192 256 Wiper Setting (decimal) Appendix B: for additional resistance variation W > 2.7V. DD 100 k Rheo Mode – 1.8V µA 2010 Microchip Technology Inc. ...
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... Ambient Temperature (°C) FIGURE 2-72: 100 k – Nominal Resistance ( vs. Ambient Temperature AB and 2010 Microchip Technology Inc 120000 100000 80000 60000 40000 20000 0 80 120 0 FIGURE 2-73: Setting and Ambient Temperature (V = 5.5V 120000 ...
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... BW(code=n, - /165°C * 1,000,000 µA). W CH0 CH1 CH2 CH3 128 160 192 224 256 Wiper Code Appendix B: for additional resistance variation W > 2.7V. DD 100 k – R PPM/°C vs BW(code=n, 125°C) BW(code=n, - /165°C * 1,000,000 µA). W 2010 Microchip Technology Inc. ...
Page 35
... FIGURE 2-82: 100 k – Low-Voltage Decrement Wiper Settling Time (V (1 µs/Div). FIGURE 2-83: 100 k – Low-Voltage Decrement Wiper Settling Time (V (1 µs/Div). 2010 Microchip Technology Inc FIGURE 2-84: = 2.7V) Increment Wiper Settling Time ( µs/Div). FIGURE 2-85: = 5.5V) ...
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... Temperature (°C) FIGURE 2-87: V (SDA, SCL) vs Temperature. DS22267A-page 230 210 190 170 150 130 110 -40 80 120 and FIGURE 2-88: DD Temperature (I 80 120 and DD 2.7V 5. 120 Temperature (°C) V (SDA) vs. V and mA). OL 2010 Microchip Technology Inc. ...
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... Note: Unless otherwise indicated +25° 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 - Temperature (°C) FIGURE 2-89: POR/BOR Trip point vs. V and Temperature. 2010 Microchip Technology Inc 2.1 Test Circuits V IN Offset GND 80 120 DD FIGURE 2-90: Test. floating V A ...
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... MCP443X/5X NOTES: DS22267A-page 38 2010 Microchip Technology Inc. ...
Page 39
... The QFN package has a contact on the bottom of the package. This contact is conductively connected to the die substrate, and therefore should be unconnected or connected to the same ground as the device’s pin 2010 Microchip Technology Inc. Table 3-1. Weak Pull-up/ Buffer down ...
Page 40
... This pad could be SS used to assist as a heat sink for the device when connected to a PCB heat sink. and SS is connected to the internal and interface’s Address 1 pin. Along ) < V (2.7V), the electrical DD min 2010 Microchip Technology Inc. ...
Page 41
... Volatile wiper register is loaded with the default value • TCON registers are loaded with their default value • Device is capable of digital operation 2010 Microchip Technology Inc. 4.1.2 BROWN-OUT RESET When the device powers down, device voltage ...
Page 42
... Initialization — 8-bit 80h 7-bit 40h — 8-bit 80h 7-bit 40h All — All — 1FFh All — — 8-bit 80h 7-bit 40h — 8-bit 80h 7-bit 40h All — All — 1FFh All — IHH 2010 Microchip Technology Inc. ...
Page 43
... P0B pin is disconnected from the Resistor 0 Network Note 1: These bits do not affect the wiper register values. 2010 Microchip Technology Inc. The value that is written to the specified TCON register will appear on the appropriate resistor network terminals when the serial command has completed. ...
Page 44
... P2B pin is disconnected from the Resistor 2 Network Note 1: These bits do not affect the wiper register values. DS22267A-page 44 (1) R/W-1 R/W-1 R/W-1 R3W R3B R2HW U = Unimplemented bit, read as ‘0’ ‘0’ = Bit is cleared R/W-1 R/W-1 R/W-1 R2A R2W R2B bit Bit is unknown 2010 Microchip Technology Inc. ...
Page 45
... FIGURE 5-1: Resistor Block Diagram. 2010 Microchip Technology Inc. 5.1 Resistor Ladder Module The resistor ladder is a series of equal value resistors (R ) with a connection point (tap) between the two S resistors. The total number of resistors in the series ...
Page 46
... Shutdown mode is exited (RxHW bit = 1): • The device returns to the Wiper setting specified by the Volatile Wiper value • The TCON register bits return to controlling the terminal connection state FIGURE 5-2: State (RxHW = ‘ Register 4-2. Figure 5- Resistor Network Shutdown 0 ’). 2010 Microchip Technology Inc. ...
Page 47
... This pin could be tied high, low, or connected to an I/O pin of the Host Controller. 2 FIGURE 6-1: Typical I C Interface Block Diagram. 2010 Microchip Technology Inc 6.1 Signal Descriptions 2 The I C interface uses up to four pins (signals). These are: • ...
Page 48
... After device has received address and command A After device has received address and command, and valid conditions for EEPROM write 2 N. Module Resets “Don’t Care” if the collision occurs on the Master’s “Start bit” 2010 Microchip Technology Inc. ...
Page 49
... Data allowed START Condition to change 2 FIGURE 6- Data States and Bit Sequence. 2010 Microchip Technology Inc. 6.2.1.5 The Stop bit (see Data Transfer Sequence. The Stop bit is defined as the SDA signal rising when the SCL signal is “High”. A Stop bit resets the I devices ...
Page 50
... As the device transitions from HS mode to FS mode, the slope control parameter will change from the HS specification to the FS specification. For Fast (FS) and High-Speed (HS) modes, the device has a spike suppression and a Schmidt trigger at SDA and SCL inputs. 2010 Microchip Technology Inc. Table 6-2 Comment Supports devices. (Note ...
Page 51
... R/W = Read/Write bit P = Stop bit (Stop condition terminates HS Mode) FIGURE 6-10: HS Mode Sequence. 2010 Microchip Technology Inc. After switching to the High-Speed mode, the next transferred byte is the I the device to communicate with, and any number of data bytes plus acknowledgements. The Master ...
Page 52
... Note 1: Any other code is Not Acknowledged. These codes may be used by other devices on the I 2: The 7-bit command always appends a ‘0’ to form 8-bits. 3: “d” is the D8 bit for the 9-bit write value. Comment 2 C bus. 2010 Microchip Technology Inc. ...
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... Write Next Byte (Third Byte) to TCON Register. The Following is a “Hardware General Call” Format General Call Address FIGURE 6-11: General Call Formats. 2010 Microchip Technology Inc. Second Byte “7-bit Command” C Specification - NXP UM10204_3, Version 03 19, June 2007) Second Byte ...
Page 54
... MCP443X/5X NOTES: DS22267A-page 54 2010 Microchip Technology Inc. ...
Page 55
... Table 7-3 shows an overview of all the device commands and their interaction with other device features. 2010 Microchip Technology Inc. 7.1 Command Byte The MCP44XX’s Command Byte has three fields: the Address, the Command Operation, and 2 Data bits ...
Page 56
... Maps to Non-Volatile MCP444x/6x device’s STATUS Register nn nnnn nnnn nnnn nnnn — — nn nnnn nnnn ( nnnn nnnn — — — — nn nnnn nnnn nnnn nnnn — 2010 Microchip Technology Inc. ...
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... High Voltage Read Data High Voltage Increment Wiper High Voltage Decrement Wiper 2010 Microchip Technology Inc. MCP443X/5X 7.3 Error Condition If the four address bits received (AD3:AD0), and the two command bits received (C1:C0), are a valid combination, the MCP44XX will Acknowledge the I bus ...
Page 58
... The High Voltage Command (HVC) signal is multiplexed with Address 0 (A0) and is used to indicate that the command, or sequence of commands, are in the High Voltage operational state. The HVC pin has an internal resistor connection to the MCP44XXs internal Control Byte. signal. DD 2010 Microchip Technology Inc. ...
Page 59
... WRITE Command Note: Only functions when writing the volatile wiper registers (AD3:AD0 = 00h, 01h, 06h, and 07h) or the TCON registers (AD3:AD0 = 04h and 0Ah) 2 FIGURE 7- Continuous Volatile Wiper Write. 2010 Microchip Technology Inc. Device Memory Command Write “Data” bits Address ...
Page 60
... SDA signal. All signals will be ignored until the next valid Start condition and Control Byte are received. for the random byte read signal TRANSMISSION 2 C 2010 Microchip Technology Inc. ...
Page 61
... Device can generate a Stop or Repeated Start condition. 3: The MCP44XX retains the last “Device Memory Address” that it has received. This is the MCP44XX does not “corrupt” the “Device Memory Address” after Repeated Start or Stop conditions. 2 FIGURE 7- Random Read. 2010 Microchip Technology Inc. Read Data bits ...
Page 62
... The Master Device will Not Acknowledge, and the MCP44XX will release the bus so the Master Device can generate a Stop or Repeated Start condition. 2 FIGURE 7- Continuous Reads. DS22267A-page 62 Read Data bits Read bits Read Data bits Read Data bits STOP bit 2010 Microchip Technology Inc. ...
Page 63
... This command sequence does not need to terminate (using the Stop bit) and can change to any other desired command sequence (Increment, Read, or Write). 2 FIGURE 7- Increment Command Sequence. 2010 Microchip Technology Inc. TABLE 7-4: Current Wiper Setting 7-bit 8-bit Pot ...
Page 64
... Address Command DECR Command (n-1) DECREMENT OPERATION VS. VOLATILE WIPER VALUE Decrement Wiper (W) Command Properties Operates? Reserved No (Full-Scale (W = A)) Full-Scale ( Yes (Mid-Scale) Yes Zero Scale ( (~8.5V) on the IHH level to the 1st edge IHH signal DECR Command (n-2) 2010 Microchip Technology Inc. ...
Page 65
... FIGURE 8-1: Using the TC1240A to Generate the V Voltage. IHH 2010 Microchip Technology Inc. The circuit in Figure 8-2 MCP402X Nonvolatile Digital Potentiometer Evaluation Board (Part Number: MCP402XEV). This method requires that the system voltage be approximately 5V. This ensures that when the PIC10F206 enters a brown- out condition, there is an insufficient voltage level on the HVC/A0 pin to change the stored value of the wiper ...
Page 66
... This sequence does not effect any other I which may be on the bus, as they should disregard this as an invalid command Interface state state machine Nine bits of ‘1’ Start bit Stop bit Software Reset Sequence bus activity. The 2 C devices 2010 Microchip Technology Inc. ...
Page 67
... C command completed to completing the next I I2CDLY FIGURE 8-6: Example Comparison of “Normal Operation” vs. “General Call Operation” Wiper Updates. 2010 Microchip Technology Inc. Figure 8-5 shows two I cases, the single I adequate. For applications that do not want all the MCP44XX devices to do General Call support or have a conflict with General Call commands, the multiple I bus configuration would be used ...
Page 68
... CALCULATIONS (VOLTAGE OUT Ratio OUT IN 0.70795 0.79433 0.89125 dB CALCULATIONS (RESISTANCE) - CASE 1 Figure 8- CALCULATIONS (RESISTANCE) - CASE 2 to Ground B2GND ( ( B2GND AB B2GND red text. At lower 2010 Microchip Technology Inc. ...
Page 69
... Mute Note 1: Attenuation values do not include errors from Digital Potentiometer errors, such as Full Scale Error or Zero Scale Error. 2010 Microchip Technology Inc Steps Calculated Desired Wiper Attenuation Attenuation Code Attenuation ( 256 203 -2.015 162 -3.975 128 -6.021 102 -7.993 dB - ...
Page 70
... Note 1: Pin 15 (RESET) is the Address A2 (A2) pin on the MCP46x1 device. FIGURE 8-9: Package) vs. Dual Pinout. of providing. Particularly harsh 20 P2A 19 P2W 18 P2B RESET (1) 14 MCP42X1 Pinout WP 12 P0B 12 P0W P0A 11 14 P2W 13 P2B MCP42X2 Pinout P0B 9 P0W 8 P1W Quad Pinout (TSSOP 2010 Microchip Technology Inc. ...
Page 71
... MCP44X1 MCP46X1 Rheostat Devices MCP46X2 MCP44X2 FIGURE 8-10: Layout to Support Quad and Dual Devices. 2010 Microchip Technology Inc. MCP443X/5X 8.6.2.3 PCB Area Requirements In some applications, PCB area is a criteria for device selection. Table 8-2 shows the package dimensions and area for the different package options. The table also shows the relative area factor compared to the smallest area ...
Page 72
... MCP443X/5X NOTES: DS22267A-page 72 2010 Microchip Technology Inc. ...
Page 73
... Optimizing the Digital Potentiometer in Precision Circuits AN219 Comparing Digital Potentiometers to Mechanical Potentiometers — Digital Potentiometer Design Guide — Signal Chain Design Guide 2010 Microchip Technology Inc. 9.2 Technical Documentation Several additional technical documents are available to assist you in your design and development. These technical documents Technical Briefs, and Design Guides ...
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... MCP443X/5X NOTES: DS22267A-page 74 2010 Microchip Technology Inc. ...
Page 75
... Note: In the event the full Microchip part number cannot be marked on one line, it will be carried over to the next line, thus limiting the number of available characters for customer-specific information. 2010 Microchip Technology Inc. MCP443X/5X Example 4452502E 1035 ...
Page 76
... MCP443X/5X Note: DS22267A-page 76 2010 Microchip Technology Inc. ...
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... Note: 2010 Microchip Technology Inc. MCP443X/5X DS22267A-page 77 ...
Page 78
... MCP443X/5X Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging DS22267A-page 78 2010 Microchip Technology Inc. ...
Page 79
... PP %RG\ >4)1@ 1RWH D TOP VIEW A3 1RWHV 2010 Microchip Technology Inc. EXPOSED PAD NOTE 1 BOTTOM VIEW A A1 MCP443X/ DS22267A-page 79 ...
Page 80
... MCP443X/5X 1RWH DS22267A-page 80 2010 Microchip Technology Inc. ...
Page 81
... PP %RG\ >76623@ 1RWH NOTE 1RWHV 2010 Microchip Technology Inc. MCP443X/ φ L DS22267A-page 81 ...
Page 82
... MCP443X/5X Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging DS22267A-page 82 2010 Microchip Technology Inc. ...
Page 83
... APPENDIX A: REVISION HISTORY Revision A (November 2010) • Original release of this document. 2010 Microchip Technology Inc. MCP443X/5X DS22267A-page 83 ...
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... MCP443X/5X NOTES: DS22267A-page 84 2010 Microchip Technology Inc. ...
Page 85
... For the MCP443X/5X devices, the analog operation is specified at a minimum of 2.7V. Device testing has Ter- minal A connected to the device V potentiometer configuration only) and Terminal B connected 2010 Microchip Technology Inc. B.1 Low-Voltage Operation This appendix semiconductor characteristics at lower voltages. This is important ...
Page 86
... This may affect the )/ and R Measurement resistor is a series of 256 R AB Figure B-7. The wiper , V and V ). Temperature also G W WCn resistors WCn , V and V . The wiper switch voltage determines how strongly WCn will be high will be in the typical range. W 2010 Microchip Technology Inc ...
Page 87
... WCn FIGURE B-7: Wiper Switch. 2010 Microchip Technology Inc. So looking at the wiper voltage (V 3.0V and 1.8V data gives the graphs in Figure B-9. In the 1.8V graph, as the V 0.8V, the voltage increases nonlinearly. Since and the current (I device resistance increased nonlinearly at around wiper code 160 ...
Page 88
... NMOS and PMOS , R ) and NMOS PMOS ) VS NMOS PMOS R W 0.6 1.2 1.8 2.4 3.0 V Voltage IN NMOS and PMOS , R ) and NMOS PMOS ) VS NMOS PMOS R W 0.3 0.6 0.9 1.2 1.5 1.8 V Voltage IN NMOS and PMOS , R ) and NMOS PMOS ) VS 2010 Microchip Technology Inc. ...
Page 89
... DD DD range. With respect to the voltages on the resistor network node, at 1.8V the V voltage would range from W 0.29V to 0.38V. These voltages cause the wiper resistance the linear region (see 2010 Microchip Technology Inc Let’s say OUT FIGURE B-15 ...
Page 90
... EXAMPLE #2 VOLTAGE CALCULATIONS Variation Min Typ R1 10,000 10,000 R2 10,000 10,000 R (max) 8,000 10,000 FS) 0.667 V 0.643 V OUT ZS) 0.50 V 0.50 V OUT FS) 0.333 V 0.286 ZS Legend: FS – Full Scale, ZS – Zero Scale DS22267A-page 90 Max 10,000 10,000 12,000 0.687 0.375 2010 Microchip Technology Inc. ...
Page 91
... ML = Plastic Quad Flat No-lead (4x4 QFN), 20-lead 2010 Microchip Technology Inc. Examples: /XX a) MCP4431-502E/XX: Package b) MCP4431T-502E/XX: T/R, 5 k20-LD Device c) MCP4431-103E/XX: d) MCP4431T-103E/XX: T/R, 10 k, 20-LD Device e) MCP4431-503E/XX: f) MCP4431T-503E/XX: T/R, 50 k, 20-LD Device g) MCP4431-104E/XX: h) MCP4431T-104E/XX: T/R, 100 k, a) MCP4432-502E/XX: b) MCP4432T-502E/XX: T/R, 5 k ...
Page 92
... MCP443X/5X NOTES: DS22267A-page 92 2010 Microchip Technology Inc. ...
Page 93
... PICtail, REAL ICE, rfLAB, Select Mode, Total Endurance, TSHARC, UniWinDriver, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. ...
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... Philippines - Manila Tel: 63-2-634-9065 Fax: 63-2-634-9069 Singapore Tel: 65-6334-8870 Fax: 65-6334-8850 Taiwan - Hsin Chu Tel: 886-3-6578-300 Fax: 886-3-6578-370 Taiwan - Kaohsiung Tel: 886-7-213-7830 Fax: 886-7-330-9305 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Thailand - Bangkok Tel: 66-2-694-1351 Fax: 66-2-694-1350 2010 Microchip Technology Inc. 08/04/10 ...