AD8402ARU10

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AD8402ARU10

+BOM

IC DGT POT 10KOHM 256TAP 14TSSOP

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Specifications

Attribute Value
Package / Case Tube,Tube
Part Status Obsolete
Taper Linear
Configuration Potentiometer
Number of Circuits 2
Number of Taps 256
Resistance(Ohms) 10k
Interface SPI
Memory Type Volatile
Voltage - Supply 2.7V ~ 5.5V
Tolerance ±20%
Temperature Coefficient(Typ) 500ppm/°C
Mounting Type Surface Mount
Supplier Device Package 14-TSSOP
Operating Temperature -40°C ~ 125°C

Overview

Description

The AD8402ARU10 is a dual-channel, 10-bit digital potentiometer from Analog Devices. It features non-volatile memory, retaining settings during power-off, and operates with a 10 kΩ end-to-end resistance.
Key features:
- Dual-channel: Two independent potentiometers in one IC.
- SPI-compatible interface: Simple digital control.
- Low power consumption: Suitable for battery-powered devices.
- Wide voltage range: 2.7V–5.5V operation.
Applications include programmable gain amplifiers, volume control, and calibration circuits. The AD8402ARU10 comes in a 16-lead TSSOP package, making it compact for space-constrained designs.
For detailed specs, refer to the datasheet on Analog Devices' website.

Equivalent

The AD8402ARU10 is a dual-channel digital potentiometer. Equivalent alternatives include:
- AD8400ARU10 (Single-channel)
- AD8403ARU10 (Quad-channel)
- MAX5481EUD+ (Dual-channel, similar specs)
- MCP42010 (Dual-channel, Microchip)
- DS1804Z-010+ (Non-volatile, Maxim Integrated)
Check pin compatibility and specs (resistance, interface, voltage range) before substitution.

Pinout

The AD8402ARU10 is a dual-channel digital potentiometer from Analog Devices.
- Pin Count: 14 (TSSOP package)
- Function:
- Dual-channel, 10 kΩ digitally programmable resistor
- SPI-compatible serial interface for control
- Each channel acts as a variable resistor with 256 tap points
- Non-volatile memory (EEPROM) stores wiper settings
- Applications: volume control, calibration, programmable filters
Key pins:
- VDD, GND: Power supply
- CS, SDI, SCLK, SDO: SPI control
- A/B/W: Terminal connections for each potentiometer
Compact and versatile for digital adjustment in analog circuits.

Package

The AD8402ARU10 comes in a 24-lead TSSOP (Thin Shrink Small Outline Package). This surface-mount package is compact, suitable for space-constrained applications, and offers good thermal and electrical performance. The "RU" in the part number indicates the TSSOP package type, while "10" denotes the 10kΩ nominal resistance.

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