Smart Home Audio(325)




I1730SYI is a high quality, fully integrated, single-chip multi-message voice record and playback device ideally designed for a variety of electronic systems. The message duration is user selectable in ranges from 80 seconds to 240 seconds, depending on the Rosc resistor.

The sampling frequency of each device can also be adjusted from 4KHz to 12KHz with the Rosc resistor, giving the user greater flexibility in duration versus recording quality for each application.

I1730SYI operating voltage spans a range from 2.4V to 5.5V to ensure that the devices are optimized for a wide range of battery or line-powered applications.

Target Applications:

Home Appliance - Audio Feedback
Automotive - HMI
Security Alarm System - Fire, Smoke, Carbon Monoxide detectors 
Medical Monitor - Audio Feedback, Voice Prompt
Gaming Console - Audio Prompt

Key Features:

  - 30s with 8KHz selected by Rosc@80Kohm
  - 20s with 12KHz selected by Rosc@53Kohm
Audio Input
  - Differential microphone input with AGC
  - Single-end input with 1Vpp and feed-through to speaker outputs
Audio Output
  - Class-D PWM differential speaker driver, 670mW@ Vdd=5.5V
  - Single-ended voltage output
Control Interfaces
  - SPI interface
Operating Characteristics
  - Voltage range: 2.4V ~ 5.5V
  - Temperature range: -40°C ~ 85°C
  - SOIC-28 
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