MCP3421DM-BFG Microchip Technology, MCP3421DM-BFG Datasheet
MCP3421DM-BFG
Specifications of MCP3421DM-BFG
Related parts for MCP3421DM-BFG
MCP3421DM-BFG Summary of contents
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... SS SDA SCL 4 3 © 2007 Microchip Technology Inc. Description The MCP3421 is a single channel low-noise, high accuracy ΔΣ A/D converter with differential inputs and bits of resolution in a small SOT-23-6 package. The on-board precision 2.048V reference voltage enables an input range of ±2.048V differentially (Δ ...
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... S1,S0 = ‘00’, (12 bits mode) SPS S1,S0 = ‘01’, (14 bits mode) SPS S1,S0 = ‘10’, (16 bits mode) SPS S1,S0 = ‘11’, (18 bits mode) µ 25° 3.75 SPS, RMS A PGA = ppm 3.75 SPS (Note 6) FSR V % PGA = 3.75 SPS © 2007 Microchip Technology Inc. ...
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... Includes all errors from on-board PGA and V 6: Full Scale Range (FSR 2.048/PGA = 4.096/PGA. 7: This parameter is ensured by characterization and not 100% tested. 8: This parameter is ensured by design and not 100% tested. © 2007 Microchip Technology Inc. = -40°C to +85° full-scale range. REF Min Typ Max — ...
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... PGA = 4 PGA = 8 -50 - 100 Input Voltage (% of Full-Scale) Noise vs. Input Voltage. PGA = 1 PGA = 2 PGA = 4 PGA = 8 -75 -50 - 100 Input Voltage (% of Full-Scale) Total Error vs. Input Voltage 5.0V DD PGA = 1 PGA = 2 PGA = 4 PGA = 100 120 140 Temperature (°C) Gain Error vs. Temperature. © 2007 Microchip Technology Inc. ...
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... Temperature ( C) FIGURE 2-8: I vs. Temperature. DDS -60 -40 - 100 120 140 o Temperature ( C) FIGURE 2-9: I vs. Temperature. DDB © 2007 Microchip Technology Inc. = +5. -60 -40 -20 FIGURE 2-10: 0 -10 -20 -30 -40 -50 -60 -70 -80 - 2.7V DD -100 -110 -120 0.1 0.1 FIGURE 2-11: MCP3421 + = ...
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... SCL pin is low. Refer to Section 5.3 2 “I C Serial Communications” for more details of I Serial Interface communication pin to a ground 2 C interface. The line Serial Com Serial Interface 2 C interface. The SDA line to the SDA pin. Except for © 2007 Microchip Technology Inc. ...
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... PGA gain of 1 V/V and a conversion speed of 240 SPS in Continuous Conversion mode. When the device 2 receives General Call Reset command, it performs an internal reset similar to a Power-On-Reset event. © 2007 Microchip Technology Inc 2.2V 2.0V 300 µS Reset Start-up FIGURE 4-1: 4 ...
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... MINIMUM AND MAXIMUM CODES Minimum Maximum Data Rate Code Code 240 SPS -2048 2047 60 SPS -8192 8191 15 SPS -32768 32767 3.75 SPS -131072 131071 n n-1 Ω Z (f) = 2.25 M /PGA IN © 2007 Microchip Technology Inc. ...
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... RC low-pass filter, is typically used at the input pins. The low-pass filter cuts off the high frequency noise components and provides a band-limited input signal to the MCP3421 input pins. © 2007 Microchip Technology Inc. MCP3421 DS22003D-page 9 ...
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... Continuous its total operating current. In this example, the device consumes approximately 39 µA (= ~145 µA/3.75 SPS), if the device performs only one conversion per second (1 SPS) in 18-bit conversion mode with 3V power supply © 2007 Microchip Technology Inc. ...
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... S1-S0: Sample Rate Selection Bit 00 = 240 SPS (12 bits SPS (14 bits SPS (16 bits 3.75 SPS (18 bits) bit 1-0 G1-G0: PGA Gain Selector Bits V/V © 2007 Microchip Technology Inc. R/W-1 R/W-0 R/W-0 O Unimplemented bit, read as ‘0’ ‘0’ = Bit is cleared MCP3421 R/W-0 R/W ...
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... When the MCP3421 receives the correct address byte, it outputs an acknowledge bit after the R/W bit. Figure 5-1 shows the MCP3421 address byte. See Figures 5-2 and 5-3 for the read and write operations of the device. © 2007 Microchip Technology Inc. Figure 5-1 ...
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... MMMMMD10D9D8 (1st data byte (2nd data byte) - Configuration byte Note MSB of the data byte. © 2007 Microchip Technology Inc. represents the MSB of the conversion data. shows an example of the conversion data output of each conversion mode. The configuration byte follows the output data byte. ...
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... MCP3421 FIGURE 5-2: Timing Diagram For Reading From The MCP3421 With 18-Bit Mode. DS22003D-page 14 © 2007 Microchip Technology Inc. ...
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... FIGURE 5-3: Timing Diagram For Reading From The MCP3421 With 12-Bit to 16-Bit Modes. © 2007 Microchip Technology Inc. MCP3421 DS22003D-page 15 ...
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... Configuration Byte First Byte (General Call Address) FIGURE 5-5: Format. For more information on the general call, or other I modes, please refer to the Phillips I 9 ACK by Stop Bit by MCP3421 Master ACK ACK LSB Second Byte General Call Address specification. © 2007 Microchip Technology Inc. ...
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... SDA START CONDITION FIGURE 5-6: Data Transfer Sequence on the Serial Bus. © 2007 Microchip Technology Inc. 5.6.4 DATA VALID (D) The state of the data line represents valid data when, after a START condition, the data line is stable for the duration of the HIGH period of the clock signal. ...
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... Time between START and STOP conditions. kHz From From After this period, the first clock pulse is generated ns Only relevant for repeated Start condition Time between START and STOP conditions. ns SDA and SCL pins ) T HD:DAT ) or SU:DAT parameter. AA © 2007 Microchip Technology Inc. ...
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... Clock Low time (T ) can be affected. LOW For Data Output: This parameter is characterized, and tested indirectly by testing T 5: This parameter is ensured by characterization and not 100% tested. This parameter is not available for Standard Mode. © 2007 Microchip Technology Inc. = -40 to +85° Min Typ Max 0 — ...
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... MCP3421 SCL SU:STA T LOW T SDA HD:STA FIGURE 5- Bus Timing Data. DS22003D-page 20 T HIGH T SU:DAT T HD:DAT SU:STO T BUF © 2007 Microchip Technology Inc. ...
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... Figure 6-1. The value of these pull-up resistors depends on the operating speed (standard, fast, and high speed) and loading capacitance of the © 2007 Microchip Technology Inc bus line. Higher value of pull-up resistor consumes less power, but increases the signal transition time (higher RC time constant) on the bus ...
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... V 10 kΩ Resistor Start Bit 10 kΩ Thermistor R/W MCP3421 Response MCP3421 SCL Figure 6-5, FIGURE 6-6: Measurement 0.1 µF 10 µF 4 SDL T MCU O (MASTER) Example of Pressure / 0.1 µF 10 µF 4 SDL T MCU O (MASTER) Example of Temperature © 2007 Microchip Technology Inc. ...
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... 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. © 2007 Microchip Technology Inc. MCP3421 Example Address Code ...
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... MCP3421 N PIN LASER MARK DS22003D-page φ © 2007 Microchip Technology Inc. ...
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... Revision B (December 2006) The following is the list of modifications: 1. Changes to Electrical Characteristics tables 2. Added characterization data 2 3. Changes Serial Timing Specification table 4. Change to Figure 5-7. 5. Updated package outline drawings Revision A (August 2006) • Original Release of this Document. © 2007 Microchip Technology Inc. MCP3421 DS22003D-page 25 ...
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... MCP3421 NOTES: DS22003D-page 26 © 2007 Microchip Technology Inc. ...
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... Default option. Contact Microchip factory for other address options Tape and Reel Tape and Reel Temperature Range -40°C to +125°C Package Plastic Small Outline Transistor (SOT-23-6), 6-lead © 2007 Microchip Technology Inc. X /XX Examples: a) Package Range MCP3421 . MCP3421A0T-E/CH: Tape and Reel, Single Channel Δ ...
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... MCP3421 NOTES: DS22003D-page 28 © 2007 Microchip Technology Inc. ...
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... PowerInfo, PowerMate, PowerTool, REAL ICE, rfLAB, Select Mode, Smart Serial, SmartTel, Total Endurance, UNI/O, 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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