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X9420

Features: • Solid-State Potentiometer• SPI serial interface• Register oriented format-Direct read/write/transfer wiper positions-Store as many as four positions per potentiometer• Power supplies-VCC = 2.7V to 5.5V-V+ = 2.7V to 5.5V-V = 2.7V to 5.5V• Low power CMOS-Sta...

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SeekIC No. : 004547521 Detail

X9420: Features: • Solid-State Potentiometer• SPI serial interface• Register oriented format-Direct read/write/transfer wiper positions-Store as many as four positions per potentiometer&#...

X9420 Data Sheet

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Part Number:
X9420
Supply Ability:
5000

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

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Product Details

Description



Features:

• Solid-State Potentiometer
• SPI serial interface
• Register oriented format
-Direct read/write/transfer wiper positions
-Store as many as four positions per potentiometer
• Power supplies
-VCC = 2.7V to 5.5V
-V+ = 2.7V to 5.5V
-V = 2.7V to 5.5V
• Low power CMOS
-Standby current < 1A
• High reliability
-Endurance100,000 data changes per bit per register
-Register data retention100 years
• 8-bytes of nonvolatile EEPROM memory
• 10K or 2.5K resistor arrays
• Resolution: 64 taps each pot
• 14-lead TSSOP, 16-lead SOIC, and 16-pin plastic DIP packages




Pinout

Connection Diagram




Specifications

Temperature under bias.................... 65°C to +135°C
Storage temperature......................... 65°C to +150°C
Voltage on SCK, SCL or any
address input with respect to VSS........... 1V to +7V
Voltage on V+ (referenced to VSS) ............................10V
Voltage on V- (referenced to VSS) ........................... -10V
(V+) (V-) ................................................................12V
Any VH/RH, VL/RL, VW/RW ....................................V- to V+
Lead temperature (soldering, 10 seconds) ......... 300°C
IW (10 seconds) ...................................................±6mA




Description

The X9420 integrates a single digitally controlled potentiometers (XDCP) on a monolithic CMOS integrated microcircuit.

The X9420 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 SPI bus interface. The 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 X9420 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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