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ISD1620B from ISSI

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ISD1620B

Manufacturer: ISSI

Single-Message Single-Chip 6.6- to 40-Second Voice Record & Playback Devices with vAlert Option

Partnumber Manufacturer Quantity Availability
ISD1620B ISSI 2000 In Stock

Description and Introduction

Single-Message Single-Chip 6.6- to 40-Second Voice Record & Playback Devices with vAlert Option The ISD1620B is a single-chip voice record and playback device manufactured by ISSI (Integrated Silicon Solution, Inc.). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Memory:** 20 seconds of audio storage (non-volatile flash memory).
- **Sampling Frequency:** 8 kHz (typical).
- **Audio Output:** Mono, with an internal speaker driver (up to 12.5 mW into 8Ω).
- **Operating Voltage:** 2.4V to 5.5V.
- **Standby Current:** <1 µA (typical).
- **Recording/Playback Current:** ~25 mA (typical).
- **Interface:** Simple push-button or microcontroller control.
- **Operating Temperature Range:** -40°C to +85°C.
- **Package:** 16-pin SOIC (Small Outline Integrated Circuit).

### **Descriptions:**
- The ISD1620B is designed for low-power, high-quality voice recording and playback applications.
- It integrates all necessary components (ADC, DAC, amplifier, and non-volatile memory) into a single chip.
- Supports direct speaker drive without an external amplifier.
- Features automatic power-down to conserve energy when idle.

### **Features:**
- **Non-Volatile Storage:** Retains recorded audio without power.
- **Single-Chip Solution:** No external memory or codec required.
- **Low Power Consumption:** Ideal for battery-powered devices.
- **Simple Control Interface:** Operates via push-button or microcontroller.
- **High-Quality Audio:** 8 kHz sampling rate for clear voice reproduction.
- **Built-in Audio Processing:** Includes AGC (Automatic Gain Control) for consistent recording levels.
- **Multiple Operating Modes:** Supports record, playback, and message management.
- **Robust Design:** Operates across a wide temperature range.

This information is based on the ISD1620B datasheet from ISSI. For detailed electrical characteristics and application notes, refer to the official documentation.

Application Scenarios & Design Considerations

Single-Message Single-Chip 6.6- to 40-Second Voice Record & Playback Devices with vAlert Option

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