Digital

DS3903 Datasheet – Triple Digital Potentiometer – Maxim

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Part Number: DS3903, DS3903E-020

Function: Triple 128-Position Nonvolatile Digital Potentiometer

Package : 20-Pin TSSOP type

Manufacturer: Maxim Integrated

Image :

DS3903E-Triple-Digital-Potentiometer

Description

The DS3903 contains three nonvolatile (NV) low temperature coefficient digital potentiometers, which can be accessed through a 2-wire bus. The DS3903 operates in both 3V and 5V systems, and it features a write-protect pin that can lock the positions of the potentiometers. An address pin allows two DS3903s to be placed on the same 2-wire bus.

Pinout
DS3903-datasheet-pinout

Features

  • Three 128-Position Linear Potentiometers (Two 10kΩ, One 100kΩ)
  • NV Wiper Storage
  • Low End-to-End Temperature Coefficient
  • Operates on an Industry-Standard 2-Wire Bus
  • Write-Protect Pin
  • Supply Range: 3V or 5V
  • Operating Temperature Range: -40°C to +85°C

 

Applications

  • A Small and Low-Cost Replacement for Mechanical Potentiometers
  • Fiber Optic Transceiver Modules
  • Mobile Phones and PDAs
  • Portable Electronics
  • Power Supply Calibration

 

 

DS3903 PDF Datasheet Download

M65841SP Datasheet – Digital Reverbe ( Digital Delay )

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Part Number: M65841SP

Function: Digital Reverbe ( Digital Delay )

Package : 600mil 40 Pin type

Manufacturer: Mitsubishi

Image :

M65841SP-Sound-Processor

Description

The M65841SP is an IC to generate reverberation effect. With synthesized outputs for five digital delay lines, this IC is capable of producting the same reverberation effect as that in a church and bathroom, and is suitable for application to the reverbe unit of mini-component stereo sets, laser disc players, ” karaoke ” equipment, electronic musical instruments etc.

Since this IC is a higher-performance and pin-compatible version of the conventional M50194AR, it can replace the conventional one easily to improve the performace.

 

Pinout
M65841SP-datasheet-pinout
Features

1. Built-in input low-pass filter and memory
2. Reverbe, echo or surround mode is selectable.
3. ADM digital delay allows a low-cost delay system with wide dynamic range and low distortion.

 

M65841SP PDF Datasheet Download