ISD1740A中文資料華邦電子數(shù)據(jù)手冊(cè)PDF規(guī)格書

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 ?speaker 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