Product Summary

The ISD1790SY is a high quality, fully integrated, single-chip multi-message voice record and playback device ideally suited to a variety of electronic systems. The ISD1790SY message duration is user selectable in ranges from 26 seconds to 120 seconds, depending on the specific device. The sampling frequency of the ISD1790SY can also be adjusted from 4 kHz to 12 kHz with an external resistor, giving the user greater flexibility in duration versus recording quality for each application. Operating voltage spans a range from 2.4 V to 5.5 V to ensure that the ISD1790SY is optimized for a wide range of battery or line-powered applications.

Parametrics

ISD1790SY absolute maximum ratings: (1)Junction temperature: 150℃; (2)Storage temperature range: -65℃ to +150℃; (3)Voltage Applied to any pads: (VSS - 0.3V) to (VCC + 0.3V); (4)Power supply voltage to ground potential: -0.3V to +7.0V.

Features

ISD1790SY features: (1)Integrated message management systems for single-chip, push button applications; (2)Selectable sampling frequency controlled by an external oscillator resistor; (3)Message and operation indicators: Four customizable Sound Effects (SEs) for audible indication; Optional vAlert (voiceAlert) to indicate the presence of new messages; LED: stay on during recording, blink during playback, forward and erase operations ; (4)Dual operating modes ; (5)Two individual input channels: MIC+/MIC-: differential microphone inputs with AGC (Automatic Gain Control); AnaIn: single-ended auxiliary analog input for recording or feed-through ; (6)Dual output channels ; (7)High-quality, natural voice and audio reproduction; (8)2.4V to 5.5V operating voltage; (9)100-year message retention (typical); (10)100,000 record cycles (typical).

Diagrams

ISD1790SY block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
ISD1790SY
ISD1790SY


IC VOICE REC/PLAY 90-SEC 28-SOIC

Data Sheet

0-1: $5.33
1-10: $4.80
10-100: $3.94
100-250: $3.62
250-500: $3.30
500-1000: $2.88
1000-2500: $2.77
2500-5000: $2.69
ISD1790SY01
ISD1790SY01


IC VOICE REC/PLAY 90-SEC 28-SOIC

Data Sheet

Negotiable 
ISD1790SYI
ISD1790SYI


IC VOICE REC/PLAY 90-SEC 28-SOIC

Data Sheet

0-75: $4.80
ISD1790SYI01
ISD1790SYI01


IC VOICE REC/PLAY 90-SEC 28-SOIC

Data Sheet

Negotiable 
ISD1790SYIR
ISD1790SYIR


IC VOICE REC/PLAY 90SEC 28-SOIC

Data Sheet

0-1000: $3.18
ISD1790SYR
ISD1790SYR


IC VOICE REC/PLAY 90SEC 28-SOIC

Data Sheet

0-1000: $2.89