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ISD1810 from WINBONG

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ISD1810

Manufacturer: WINBONG

Single-Chip, Single-Message Voice Record/Playback Device 8- to 16-Second Durations

Partnumber Manufacturer Quantity Availability
ISD1810 WINBONG 10000 In Stock

Description and Introduction

Single-Chip, Single-Message Voice Record/Playback Device 8- to 16-Second Durations The ISD1810 is a single-chip voice record and playback device manufactured by WINBONG. Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Recording Time:** Up to 10 seconds (adjustable via external resistor).  
- **Sampling Frequency:** 6.4 kHz (typical).  
- **Operating Voltage:** 2.4V to 5.5V.  
- **Standby Current:** <1 µA (typical).  
- **Operating Current:** ~25 mA during playback/recording.  
- **Audio Output:** Direct PWM speaker drive (no external DAC required).  
- **Interface:** Simple push-button control (record, playback, erase).  
- **Storage:** Non-volatile flash memory (retains data without power).  
- **Package:** SOP-8, DIP-8.  

### **Descriptions:**  
- The ISD1810 is a cost-effective, low-power voice recording and playback IC.  
- It supports single-message recording and playback with simple trigger controls.  
- No external memory or complex circuitry is needed.  

### **Features:**  
- **One-time recording** (overwritable).  
- **Edge-activated or level-controlled operation modes.**  
- **Built-in microphone preamplifier** (supports electret microphone input).  
- **Supports external analog audio input.**  
- **Automatic power-down mode** for low power consumption.  
- **Supports LED status indicator output.**  

This IC is commonly used in toys, greeting cards, security devices, and other short-duration voice applications.

Application Scenarios & Design Considerations

Single-Chip, Single-Message Voice Record/Playback Device 8- to 16-Second Durations

Alternative Part Number

  • ISD1820 --: Same ISD1800-series single-chip voice record/playback family with 20-second recording capacity, pin and function compatible with the ISD1810, and widely available from the current owner of the ISD line.
  • ISD1110 --: Classic ISD1100-series voice record/playback chip offering comparable 10-second single-message recording and the same analog input/output architecture, usable as a drop-in functional substitute with minor board rework.
  • AP8941 --: Alternative voice record/playback IC from a different vendor series that provides similar single-message recording and playback functionality, suitable when the original Winbond part is unavailable.

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