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ISL22419

Features: 128 resistor taps• SPI serial interface• Non-volatile storage of wiper position• Wiper resistance: 70 typical @ 3.3V• Shutdown mode• Shutdown current 5A max• Power supply: 2.7V to 5.5V• 50k or 10k total resistance• High reliability- Enduran...

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SeekIC No. : 004379552 Detail

ISL22419: Features: 128 resistor taps• SPI serial interface• Non-volatile storage of wiper position• Wiper resistance: 70 typical @ 3.3V• Shutdown mode• Shutdown current 5A max&#...

ISL22419 Data Sheet

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Part Number:
ISL22419
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:

128 resistor taps
• SPI serial interface
• Non-volatile storage of wiper position
• Wiper resistance: 70 typical @ 3.3V
• Shutdown mode
• Shutdown current 5A max
• Power supply: 2.7V to 5.5V
• 50k or 10k total resistance
• High reliability
- Endurance: 1,000,000 data changes per bit per register
- Register data retention: 50 years @55
• 8 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) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5kV
(CDM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1kV




Description

The ISL22419 integrates a single digitally controlled potentiometer (DCP) and non-volatile memory on a monolithic CMOS integrated circuit.

The digitally controlled potentiometer is implemented with a combination of resistor elements and CMOS switches. The position of the wiper is controlled by the user through the SPI serial interface. The 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 content of the DCP's IVR to the WR.

The DCP 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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