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ISD2532S from ISD

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ISD2532S

Manufacturer: ISD

SINGLE-CHIP, MULTIPLE-MESSAGES, VOICE RECORD/PLAYBACK DEVICE 32-, 40-, 48-, AND 64-SECOND DURATION

Partnumber Manufacturer Quantity Availability
ISD2532S ISD 33 In Stock

Description and Introduction

SINGLE-CHIP, MULTIPLE-MESSAGES, VOICE RECORD/PLAYBACK DEVICE 32-, 40-, 48-, AND 64-SECOND DURATION The ISD2532S is a voice record and playback chip manufactured by ISD (Information Storage Devices).  

### **Specifications:**  
- **Memory:** 32 seconds of audio storage  
- **Sampling Frequency:** 8 kHz  
- **Audio Quality:** 4-bit ADPCM compression  
- **Supply Voltage:** 3V to 5.5V  
- **Operating Current:** 25 mA (typical)  
- **Standby Current:** 1 µA (typical)  
- **Interface:** Serial or parallel control options  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package:** 28-pin SOIC or PDIP  

### **Descriptions:**  
The ISD2532S is a single-chip solution for voice recording and playback, featuring non-volatile storage that retains data without power. It is commonly used in applications requiring short-duration audio playback, such as toys, alarms, and voice prompts.  

### **Features:**  
- **Non-volatile storage** – No battery backup needed  
- **Direct analog storage** – No digital compression artifacts  
- **Multiple addressing modes** – Supports random access or sequential playback  
- **Low power consumption** – Suitable for battery-powered devices  
- **Built-in audio amplifier** – Can drive a speaker directly  
- **Edge-activated or level-controlled operation** – Flexible control options  

For detailed electrical characteristics and application notes, refer to the official ISD2532S datasheet.

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