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DS3902

Features: Dual 256-Position Linear Digital Resistors Available as 50k/30k or 50k/15k Resistor Settings Stored in NV Memory Low Temperature Coefficient I2C-Compatible Serial Interface Wide Operating Voltage (2.4V to 5.5V) Software Write Protection User-EEPROM Memory Programmable Slave Address Opera...

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SeekIC No. : 004329082 Detail

DS3902: Features: Dual 256-Position Linear Digital Resistors Available as 50k/30k or 50k/15k Resistor Settings Stored in NV Memory Low Temperature Coefficient I2C-Compatible Serial Interface Wide Operating ...

DS3902 Data Sheet

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Part Number:
DS3902
Supply Ability:
5000

Price Break

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

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Upload time: 2024/10/20

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Product Details

Description



Features:

 Dual 256-Position Linear Digital Resistors
Available as 50k/30k or 50k/15k
Resistor Settings Stored in NV Memory
Low Temperature Coefficient
I2C-Compatible Serial Interface
Wide Operating Voltage (2.4V to 5.5V)
Software Write Protection
User-EEPROM Memory
Programmable Slave Address
Operating Temperature Range: -40°C to +95°C
Small 8-Pin SOP Package


Application

·Optical Transceivers
·Optical Transponders
·Instrumentation and Industrial Controls
·RF Power Amps
·Audio Power-Amp Biasing
·Replacement for Mechanical Variable Resistors and DIP Switches


Pinout

Connection Diagram


Specifications

Voltage Range on VCC, SDA, SCL, H0, and H1 Relative to Ground...........................-0.5V to +6.0V
Voltage Range on ADD_SEL Relative to Ground............-0.5V to (VCC + 0.5V), not to exceed 6.0V
Resistor Current......................................................................................................................3mA
Operating Temperature Range ...........................................................................-40°C to +95°C
Programming Temperature Range..........................................................................0°C to +70°C
Storage Temperature Range.............................................................................-55°C to +125°C
Soldering Temperature............................................................................................See IPC/JEDEC
J-STD-020A Specification


Description

The DS3902 features a dual, nonvolatile (NV), low tem-perature-coefficient, variable digital resistor with 256 user-selectable positions. The DS3902 can operate over a wide supply range of 2.4V to 5.5V, and commu-nication with the device is achieved through an I 2C(TM)-compatible serial interface. Internal address settings allow the DS3902 slave address to be programmed to one of 128 possible addresses. The low cost and the small size of the DS3902 make it an ideal replacement for conventional mechanical-trimming resistors.




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