ISD5100 ChipCorder Series Technical Summary

1. Overview

The ISD5100 ChipCorder Series represents a high-quality, fully integrated single-chip record/playback solution designed for 1- to 16-minute messaging applications. This series is particularly well-suited for use in cellular phones, automotive communications, GPS/navigation systems, and various portable products.

The ISD5100 Series builds upon the ISD5000 architecture with significant enhancements including:

• I2C serial interface for address, control, and duration selection (requiring only two control lines)
• Capability to store both analog and digital data (enabling storage of phone numbers, system configuration parameters, and message address locations)
• Individual power-up/down capability for various internal circuit blocks to conserve power

2. Key Features

• High-quality voice/speech recording and playback
• 1-16 minute duration options
• Non-volatile Flash memory technology
• Microcontroller interface capability
• Programmable operation
• I2C serial interface (2-wire control)
• Dual-mode operation (analog and digital)
• Individual power management for internal blocks
• Multiple package options

3. Applications

• Cellular phones and mobile devices
• Automotive communication systems
• GPS and navigation systems
• Portable messaging devices
• Voice memo recorders
• Industrial voice prompt systems
• Consumer electronics with voice functionality

4. Functional Description

4.1 Speech/Voice Quality

The ISD5100 Series delivers high-quality voice reproduction through advanced analog processing and storage techniques.

4.2 Duration

The series offers flexible duration options ranging from 1 to 16 minutes, allowing designers to select the appropriate model for their application requirements.

4.3 Flash Technology

Utilizing non-volatile Flash memory technology, the ISD5100 maintains stored content without power and allows for multiple record/playback cycles.

4.4 Microcontroller Interface

The I2C interface simplifies system integration, requiring only two control lines for complete device operation.

4.5 Programming

The device supports flexible programming options for both analog and digital data storage.

5. Operational Modes

5.1 I2C Interface

The I2C interface provides complete control over device operation, including:

• Device addressing
• Control register access
• Duration selection
• Mode configuration

5.2 Analog Mode

The analog mode features include:

• Auxiliary input (Aux In) and analog input (Ana In) capabilities
• Volume control functionality
• Speaker and auxiliary output options
• Flexible analog input configurations

5.3 Digital Mode

The digital mode supports:

• Digital data erasure
• Digital data writing
• Digital data reading
• Example command sequences for typical operations

6. Electrical Characteristics

6.1 Absolute Maximum Ratings

• Supply voltage range: -0.3V to +6.0V
• Input voltage range: -0.3V to VDD + 0.3V
• Storage temperature range: -55°C to +150°C
• Operating temperature range: -40°C to +85°C

6.2 General Parameters

• Supply voltage: 2.4V to 5.5V
• Operating current: varies by mode (see datasheet for details)
• Standby current: typically < 1μA

6.3 Timing Parameters

• I2C clock frequency: up to 400kHz
• Power-up time: typically 10ms
• Command execution time: varies by operation

6.4 Analog Parameters

• Input signal range: 0.5Vpp typical
• Output signal level: adjustable through volume control
• Signal-to-noise ratio: >42dB typical
• Frequency response: 300Hz to 3.4kHz typical

7. Package Information

7.1 Package Options

• 28-Lead 8x13.4mm Plastic Thin Small Outline Package (TSOP) Type 1 - IQC
• 28-Lead 8x13.4mm Plastic Thin Small Outline Package (TSOP) Type 1
• 28-Lead 300-Mil Plastic Small Outline Integrated Circuit (SOIC)
• 28-Lead 600-Mil Plastic Dual Inline Package (PDIP)

7.2 Pin Configuration

The ISD5100 features a comprehensive pin configuration including:

• Digital I/O pins for control and data interface
• Analog I/O pins for audio input and output
• Power and ground pins for proper device operation

8. Typical Application Circuit

The typical application circuit includes:

• Power supply decoupling capacitors
• I2C pull-up resistors
• Audio input conditioning circuitry
• Audio output amplification (if required)
• Microcontroller interface connections

9. Ordering Information

The ISD5100 Series is available in multiple configurations based on:

• Duration (1, 2, 4, 8, or 16 minutes)
• Package type (TSOP, SOIC, PDIP)
• Temperature range (commercial or industrial)

10. Version History

The ISD5100 Series has undergone several revisions, with the current version being 1.42 as of October 31, 2008. Each revision includes documentation updates and potential minor functional improvements.