GENERAL DESCRIPTION

The Winbond® ISD1700A ChipCorder® Series is a high quality, fully integrated, single-chip multi

message voice record and playback device ideally suited to a variety of electronic systems. The

message duration is user selectable in rangesfrom 26 seconds to 120 seconds, depending on the

specific device.

FEATURES

• Integrated message management systems for single-chip, push-button applications

  o  REC:level-trigger for recording

  o  PLAY:edge-trigger for individual message or level-trigger for sequential playback

  o  ERASE:edge-triggered erase for first or last message or level-triggered erase for all messages

  o  FWD:edge-trigger to advance to the next message or fast message scan during the playback

  o  VOL: 8 levels output volume control

  o RDY: ready or busy status indication

  o  RESET: bring back to the default state

  o Automatic power-down after each operation cycle 

• Message and operation indicators

  o Four customizable Sound Effects (SE) for audible indications

  o Optional vAlert (voiceAlert) to indicate the presence of new messages

  o LED: stay on during recording, blink during playback, forward and erase operations 

• Two individual input channels

  o MIC+/MIC-: differential microphone inputs with AGC (Automatic Gain Control) 

  o AnaIn: single-ended auxiliary analog input for recording or feed-through

• Dual output channels

  o PWM Class D speaker amplifier to directly drive an 8 Ωspeaker or a typical buzzer

  o AUD single-ended current output to drive external power amplifier

• ChipCorder standard features

  o High-quality, natural voice and audio reproduction

  o 2.4V to 5.5V operating voltage

  o 100-year message retention (typical)

  o 10,000 record cycles (typical)

• Commercial Temperature grade: 0°C to +50°C for die only

• Package options: available in die only