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X9418

Features: • Two potentiometers in one package• 2-wire serial interface• Register oriented format-Direct Read/Write/Transfer Wiper Position-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 po...

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SeekIC No. : 004547520 Detail

X9418: Features: • Two potentiometers in one package• 2-wire serial interface• Register oriented format-Direct Read/Write/Transfer Wiper Position-Store as many as Four Positions per Poten...

X9418 Data Sheet

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Part Number:
X9418
Supply Ability:
5000

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Product Details

Description



Features:

• Two potentiometers in one package
• 2-wire serial interface
• Register oriented format
-Direct Read/Write/Transfer Wiper Position
-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
-Ideal for Battery Operated Applications
• High reliability
-Endurance100,000 Data Changes per Bit per Register
-Register Data Retention100 years
• 8-bytes of nonvolatile memory
• 2.5k, 10k resistor array
• Resolution: 64 taps each potentiometer
• 24-pin plastic DIP, 24-lead TSSOP and 24-lead
SOIC packages




Pinout

Connection Diagram




Specifications

Temperature under bias .................... -65°C to +135°C
Storage temperature .................... -65°C to +150°C
Voltage on SDA, 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 X9418 integrates two digitally controlled potentiometers (XDCP) on a monolithic CMOS integrated microcircuit.

The X9418 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 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 X9418 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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