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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™ feature, audio amplifier, and high density, multilevel Flash storage array. The ISD4003 series is designed to be used in a microprocessor- or microcontroller-based system. Address and control are accomplished through a Serial Peripheral Interface (SPI) or Microwire Serial Interface to minimize pin count.
Recordings are stored in on-chip nonvolatile memory cells, providing zero-power message storage. This unique, single-chip solution is made possible through ISD's patented multilevel storage technology. Voice and audio signals are stored directly into memory in their natural form, providing high-quality, solid-state voice reproduction.
ISD4003 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 A (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 • Fully addressable to handle multiple messages • Nonvolatile message storage • Power consumption controlled by SPI or Microwire control register • 100-year message retention (typical) • 100K record cycles (typical) • On-chip clock source • Available in die form, PDIP, SOIC, TSOP, and chip scale packaging (CSP) • Extended temperature (20°C to + 70°C) and industrial temperature (40°C to +85°C) versions available