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ISD1730PY from ISD

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ISD1730PY

Manufacturer: ISD

Multi-Message Single-Chip Voice Record & Playback Devices

Partnumber Manufacturer Quantity Availability
ISD1730PY ISD 475 In Stock

Description and Introduction

Multi-Message Single-Chip Voice Record & Playback Devices The ISD1730PY is a single-chip voice record and playback device manufactured by ISD (Integrated Silicon Solution Inc.). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Supply Voltage:** 2.4V to 5.5V  
- **Operating Current:** 25 mA (typical during playback/record)  
- **Standby Current:** 1 µA (typical)  
- **Audio Sampling Rate:** 4 kHz, 5.3 kHz, 6.4 kHz, 8 kHz (selectable)  
- **Recording Time:** 30 seconds (at 8 kHz sampling rate)  
- **Non-Volatile Storage:** Flash memory (no battery backup required)  
- **Signal-to-Noise Ratio (SNR):** > 40 dB  
- **Audio Output:** PWM speaker driver (direct speaker connection possible)  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package:** 28-pin PDIP  

### **Descriptions:**
- The ISD1730PY is a single-chip solution for voice recording and playback applications.  
- It uses analog storage technology with flash memory for non-volatile data retention.  
- Supports multiple sampling rates for adjustable recording quality and duration.  
- Features an integrated microphone preamplifier and automatic gain control (AGC).  
- Includes a built-in oscillator, eliminating the need for external timing components.  

### **Features:**
- **Direct Speaker Drive:** Integrated PWM output eliminates the need for an external amplifier.  
- **Multimode Operation:** Supports manual, serial, and SPI control modes.  
- **AGC (Automatic Gain Control):** Optimizes recording quality for varying input levels.  
- **Low Power Consumption:** Suitable for battery-powered applications.  
- **Durable Storage:** Flash memory allows 100,000 record/playback cycles.  
- **Simple Interface:** Minimal external components required for operation.  
- **Edge/Level Triggering:** Supports both edge and level-triggered playback control.  

The ISD1730PY is commonly used in toys, security systems, portable recorders, and other embedded voice applications.

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