Single-Chip Voice Record/Playback Devices 32-, 40-, 48-, 64-,60-,75,90-, and 120-Second Durations The ISD2560SI is a voice record and playback chip manufactured by ISD (Information Storage Devices). Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:
### **Specifications:**
- **Memory Duration:** 60 seconds (ISD2560 model)
- **Sampling Frequency:** 8 kHz
- **Audio Quality:** 4-bit ADPCM compression
- **Supply Voltage:** 5V (typical)
- **Operating Current:** 25 mA (typical during playback/record)
- **Standby Current:** 1 µA (typical)
- **Operating Temperature Range:** 0°C to 70°C
- **Interface:** Serial (SPI/Microwire compatible)
- **Package:** 28-pin SOIC (ISD2560SI)
### **Descriptions:**
- The ISD2560SI is a single-chip voice recording and playback device with non-volatile storage.
- It uses analog storage technology, eliminating the need for external memory.
- Supports direct speaker drive (up to 16Ω) with an internal audio amplifier.
- Features multi-message management with up to 160 addressable memory segments.
### **Features:**
- **Non-volatile analog storage** – Retains data without power.
- **Single-chip solution** – No external memory required.
- **Low power consumption** – Suitable for battery-operated devices.
- **High-quality audio** – 4-bit ADPCM compression for clear playback.
- **Multiple message management** – Supports up to 160 memory segments.
- **Serial interface** – Compatible with SPI/Microwire for easy microcontroller integration.
- **On-chip oscillator** – No external clock required.
- **Automatic power-down** – Reduces power consumption when idle.
This information is based on the ISD2560SI datasheet and manufacturer documentation.
