ISD4003 Overview
The ISD4003 ChipCorder® Products provide highquality, 3-volt, single-chip Record/Playback solutions for 4- to 8-minute messaging applications which are ideal for cellular phones and other portable products. The CMOS-based devices include an on-chip oscillator, antialiasing filter, smoothing filter, AutoMute™.
ISD4003 Key Features
- Single-chip voice Record/Playback solution
- Single +3 volt supply
- Low-power consumption
- Operating current: ICC Play = 15 mA (typical) ICC Rec = 25 mA (typical)
- Standby current: 1 µA (typical)
- Single-chip durations of 4, 5, 6, and 8 minutes
- High-quality, natural voice/audio reproduction
- AutoMute feature provides background noise attenuation during periods of silence
- No algorithm development required
- Microcontroller SPI or Microwire™ Serial Interface

