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DS1882 - Dual Log Audio Digital Potentiometer

Description

The DS1882 is a dual, nonvolatile (NV) digital potentiometer designed to operate in audio systems that accomodate up to ±7V signal levels.

The potentiometer settings can be stored in EEPROM so that they are retained when the power is cycled.

Features

  • Dual, Audio Log Taper Potentiometers.
  • Low THD+N and Crosstalk.
  • ±7V Analog Supply (Independent of Digital Supply).
  • 5V Digital Supply.
  • Potentiometer Settings Configurable as Nonvolatile or Volatile.
  • Zero-Crossing Detector Eliminates Switching Noise.
  • Two User-Configurable Attenuation Options.
  • Configuration Option 1: 63 Positions Provide 1dB Attenuation Steps from 0dB to -62dB Plus Mute.
  • Configuration Option 2: (Softwa.

📥 Download Datasheet

Datasheet preview – DS1882

Datasheet Details

Part number DS1882
Manufacturer Maxim Integrated Products
File Size 218.37 KB
Description Dual Log Audio Digital Potentiometer
Datasheet download datasheet DS1882 Datasheet
Additional preview pages of the DS1882 datasheet.

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Full PDF Text Transcription

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DS1882 Rev 0; 6/06 Dual Log Audio Digital Potentiometer General Description The DS1882 is a dual, nonvolatile (NV) digital potentiometer designed to operate in audio systems that accomodate up to ±7V signal levels. The potentiometer settings can be stored in EEPROM so that they are retained when the power is cycled. The DS1882 has separate supplies for the potentiometers (VCC) and the communication circuitry (VDD). For clickless/popless operation, a zero-crossing detector allows the wiper position to change when there is no voltage across the potentiometer. The DS1882 is also designed to minimize crosstalk, and the two digital potentiometers provide 0.5dB channel-to-channel matching to prevent volume differences between channels.
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