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ISL22429

Features: • Two potentiometers in one package• 128 resistor taps• SPI serial interface• Non-volatile storage of wiper position• Wiper resistance: 70Ω typical @ 3.3V• Shutdown mode• Shutdown current 5µA max• Power supply: 2.7V to 5.5V̶...

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SeekIC No. : 004379555 Detail

ISL22429: Features: • Two potentiometers in one package• 128 resistor taps• SPI serial interface• Non-volatile storage of wiper position• Wiper resistance: 70Ω typical @ 3....

ISL22429 Data Sheet

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Part Number:
ISL22429
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

• Two potentiometers in one package
• 128 resistor taps
• SPI serial interface
• Non-volatile storage of wiper position
• Wiper resistance: 70Ω typical @ 3.3V
• Shutdown mode
• Shutdown current 5µA max
• Power supply: 2.7V to 5.5V
• 50kΩ or 10kΩ total resistance
• High reliability
- Endurance: 1,000,000 data changes per bit per register
- Register data retention: 50 years @ T < +55
• 10 Lead MSOP
• Pb-free plus anneal product (RoHS compliant)





Pinout

Connection Diagram




Specifications

Storage Temperature . . . . . . . . . . . . . . . . . . . . . .-65 to +150
Voltage at any Digital Interface Pin
with Respect to GND . . . . . . . . . . . . . . . . . . -0.3V to VCC + 0.3
VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . -0.3V to +6V
Voltage at any DCP pin with Respect to GND . . . . . . -0.3V to VCC
Lead Temperature (Soldering, 10s) . . . . . . . . . . . . . . . . . .+300
IW (10s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±6mA
Latchup (Note 4) . . . . . . . . . . . . . . . . . Class II, Level B @ +125
ESD (HBM) . . . . . . . . . . . . . . . . . . . . . . . . . . .. . .. . . . . . . . . 2.5kV
(CDM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . .1kV

CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to
thedevice. This is a stress only rating and operation of the device at these or any other conditions
above those indicated in the operational sections of this specification is not implied.

NOTES:
3. JA is measured with the component mounted on a high effective thermal conductivity test board in free
air. See Tech Brief TB379 for details.
4. Jedec Class II pulse conditions and failure criterion used. Level B exceptions are: using a max positive
pulse of 6.5V on the SHDN pin, and using a max negative pulse of -0.8V for all pins.




Description

The ISL22429 integrates two digitally controlled potentiometers (DCP) and non-volatile memory on a monolithic CMOS integrated circuit.

The digitally controlled potentiometers ISL22429 are implemented with a combination of resistor elements and CMOS switches. The position of the wipers are controlled by the user through the SPI serial interface. Each potentiometer has an associated volatile Wiper Register (WR) and a non-volatile Initial Value Register (IVR) that can be directly written to and read by the user. The contents of the WR controls the position of the wiper. At power-up the device recalls the contents of the DCP's IVR to the corresponding WR.

The DCP ISL22429 can be used as a voltage divider in a wide variety of applications including control, parameter adjustments, AC measurement and signal processing.






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