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X9241A

Features: • Four potentiometers in one package• 2-wire serial interface• Register oriented format- Direct read/write/transfer of wiper positions- Store as many as four positions per potentiometer• Terminal Voltages: +5V, -3.0V• Cascade resistor arrays• Low power...

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SeekIC No. : 004547481 Detail

X9241A: Features: • Four potentiometers in one package• 2-wire serial interface• Register oriented format- Direct read/write/transfer of wiper positions- Store as many as four positions pe...

X9241A Data Sheet

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Part Number:
X9241A
Supply Ability:
5000

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  • 1~5000
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  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Four potentiometers in one package
• 2-wire serial interface
• Register oriented format
- Direct read/write/transfer of wiper positions
- Store as many as four positions per potentiometer
• Terminal Voltages: +5V, -3.0V
• Cascade resistor arrays
• Low power CMOS
• High Reliability
- Endurance100,000 data changes per bit per register
- Register data retention100 years
• 16-bytes of nonvolatile memory
• 3 resistor array values
- 2k to 50k mask programmable
- Cascadable for values of 500 to 200k
• Resolution: 64 taps each pot
• 20 Ld plastic DIP, 20 Ld TSSOP and 20 Ld SOIC packages
• Pb-free plus anneal available (RoHS compliant)




Pinout

Connection Diagram




Specifications

Temperature under bias . . . . . . . . . . . . . . . . . . . . . . . -65 to +135°C
Storage temperature . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +150°C
Voltage on SCK, SCL or any address
input with respect to VSS . . . . . . . . . . . . . . . . . . . . . . . -1V to +7V
Voltage on any VH/RH, VW/RW or VL/RL
referenced to VSS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +6V/-4V
V = |VH/RH - VL/RL|. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10V
Lead temperature (soldering, 10 seconds) . . . . . . . . . . . . . . 300°C
IW (10 seconds) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±6mA




Description

The X9241A integrates four digitally controlled potentiometers (XDCP) on a monolithic CMOS integrated microcircuit.

The X9241A digitally controlled potentiometer is implemented using 63 resistive elements in a series array. Between each element are tap points connected to the wiper terminal through switches. The position of the wiper on the array is controlled by the user through the 2-wire bus interface. Each X9241A potentiometer has associated with it a volatile Wiper Counter Register (WCR) and 4 nonvolatile Data Registers (DR0:DR3) that can be directly written to and read by the user. The contents of the WCR controls the position of the wiper on the resistor array through the switches. Power up
recalls the contents of DR0 to the WCR.The XDCP can be used as a three-terminal potentiometer or as a two-terminal variable resistor in a wide variety of applications including control, parameter adjustments, and signal processing.






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