x9260tv24i-2.7 Intersil Corporation, x9260tv24i-2.7 Datasheet
x9260tv24i-2.7
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x9260tv24i-2.7 Summary of contents
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Data Sheet Dual Digitally-Controlled (XDCP™) Potentiometers FEATURES • Dual–Two Separate Potentiometers • 256 Resistor Taps/pot–0.4% Resolution • SPI Serial Interface for Write, Read, and Transfer Operations of the Potentiometer • Wiper Resistance, 100Ω typical @ V+ = 5V, V- ...
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Ordering Information PART PART NUMBER MARKING X9260TS24I X9260TS I X9260TS24IZ (Note) X9260TS ZI X9260US24 X9260US X9260US24Z (Note) X9260US Z X9260TS24I-2.7 X9260TS G X9260TS24IZ-2.7 (Note) X9260TS ZG X9260US24-2.7 X9260US F X9260US24Z-2.7 (Note) X9260US ZF *Add "T1" suffix for tape and reel. ...
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CIRCUIT LEVEL APPLICATIONS • Vary the gain of a voltage amplifier • Provide programmable dc reference voltages for comparators and detectors • Control the volume in audio circuits • Trim out the offset voltage error in a voltage amplifier circuit ...
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PIN ASSIGNMENTS Pin (SOIC) Symbol ...
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CS LOW enables the X9260, placing it in the active power mode. It should be noted that after a power-up, a HIGH to LOW transition required prior to the start of any operation. Potentiometer Pins ...
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Figure 1. Detailed Potentiometer Block Diagram One of Two Potentiometers SERIAL DATA PATH FROM INTERFACE CIRCUITRY REGISTER 0 (DR0) REGISTER 2 (DR2) IF WCR = 00[H] THEN WCR = FF[H] THEN ...
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Table 5. Wiper Counter Register, WCR (8-bit), WCR[7:0]: Used to store the current wiper position (Volatile, V). WCR7 WCR6 WCR5 V V (MSB) Table 5. Data Register, DR (8-bit), Bit [7:0]: Used to store wiper positions or data (Nonvolatile, NV). ...
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DEVICE DESCRIPTION Instructions Four of the ten instructions are three bytes in length. These instructions are: – Read Wiper Counter Register – read the current wiper position of the selected potentiometer, – Write Wiper Counter Register – change current wiper ...
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Figure 2. Two-Byte Instruction Sequence CS SCK ID3 ID2 ID1 ID0 Device ID Figure 3. Three-Byte Instruction Sequence (Write) CS SCL ID3 ID2 ID1 ID0 0 0 Internal Device ID ...
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Figure 5. Three-Byte Instruction Sequence (Read Status Register) CS SCL ID3 ID2 ID1 ID0 Internal Device ID Address Figure 6. Increment/Decrement Instruction Sequence CS SCL ...
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Table 5. Instruction Set Instruction I3 Read Wiper Counter 1 Register Write Wiper Counter 1 Register Read Data Register 1 Write Data Register 1 XFR Data Register to 1 Wiper Counter Register XFR Wiper Counter 1 Register to Data Register ...
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INSTRUCTION FORMAT Read Wiper Counter Register (WCR) Device Type Device Identifier Addresses CS Falling Edge Write Wiper Counter Register (WCR) Device Type Device Identifier Addresses CS ...
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Global Transfer Wiper Counter Register (WCR) to Data Register (DR) Device Type Device CS Identifier Addresses Falling Edge Transfer Wiper Counter Register (WCR) to ...
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ABSOLUTE MAXIMUM RATINGS Temperature under bias ........................ -65 to +135°C Storage temperature ............................. -65 to +150°C Voltage on SCK, SCL or any address input with respect to V ................................. -1V to +7V SS Voltage on V+ (referenced ...
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POTENTIOMETER CHARACTERISTICS (Over recommended operating conditions unless otherwise stated.) Symbol Parameter End to end resistance Power rating I Wiper current W R Wiper resistance W R Wiper resistance W Vv+ Voltage on V+ pin Vv- Voltage on V- pin V ...
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D.C. OPERATING CHARACTERISTICS Symbol Parameter I V supply current CC1 CC (active supply current CC2 CC (nonvolatile write current (standby Input leakage current LI I Output leakage current LO V Input HIGH voltage ...
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EQUIVALENT A.C. LOAD CIRCUIT 5V 1462Ω SO pin 2714Ω 100pF AC TIMING Symbol f SSI/SPI clock frequency SCK t SSI/SPI clock cycle rime CYC t SSI/SPI clock high rime WH t SSI/SPI clock low time WL t Lead time LEAD ...
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HIGH-VOLTAGE WRITE CYCLE TIMING Symbol t High-voltage write cycle time (store instructions) WR XDCP TIMING Symbol t Wiper response time after the third (last) power supply is stable WRPO t Wiper response time after instruction issued (all load instructions) WRL ...
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TIMING DIAGRAMS Input Timing CS t LEAD SCK MSB SI High Impedance SO Output Timing CS SCK t V MSB SO ADDR SI Hold Timing CS SCK HOLD 19 X9260 t CYC ...
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XDCP Timing (for All Load Instructions) CS SCK MSB SI VWx High Impedance SO Write Protect and Device Address Pins Timing X9260 ... t WRL ... (Any Instruction WPAH WPASU LSB FN8170.3 August ...
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APPLICATIONS INFORMATION Basic Configurations of Electronic Potentiometers V R THREE- TERMINAL POTENTIOMETER; VARIABLE VOLTAGE DIVIDER Application Circuits NONINVERTING AMPLIFIER – (1 OFFSET VOLTAGE ADJUSTMENT R 1 ...
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Application Circuits (continued) ATTENUATOR – -1/2 ≤ G ≤ +1/2 INVERTING AMPLIFIER ...
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