ISD4002-180PY

Overview

The ISD4002-180PY is a single-chip voice record/playback solution from Nuvoton Technology Corporation. It provides 180 seconds of recording duration at a typical sampling frequency of 5.3 kHz. The device operates on a single 3-volt supply, with typical operating currents of 15 mA during playback and 25 mA during recording. Standby current is typically 1 µA. It features an SPI interface for control, AutoMute noise attenuation, and non-volatile multilevel Flash memory storage.

Feature Summary

• Single-chip integrated voice record and playback functionality
• Direct analog storage in non-volatile multilevel Flash memory
• AutoMute feature for background noise attenuation during silence
• SPI or Microwire serial interface for microcontroller control

Applications

• Cellular phones and portable messaging devices
• Industrial equipment maintenance alarms
• Home security and intrusion detection systems

Procurement Notes

Verify the specific suffix PY corresponds to the required package type (SOIC or PDIP) and temperature grade (Commercial or Industrial). Confirm that the 180-second duration variant meets the application's timing requirements. Ensure the external clock configuration aligns with the specified 682.7 kHz requirement if higher precision is needed beyond the internal oscillator tolerance.

Selection Notes

Select this model when a fixed 180-second message duration is required. Compare against other series members like ISD4002-120 or ISD4002-240 if different recording times are necessary. Consider the industrial temperature range option if operation outside the commercial 0°C to +70°C range is expected. Verify compatibility with the host microcontroller's SPI voltage levels.

Part Context

The ISD4002-180PY belongs to the ISD4002 ChipCorder series by Nuvoton Technology Corporation. This series utilizes patented multilevel storage technology to store voice signals directly onto Flash memory without digitization or compression. The product line offers various durations ranging from 120 to 240 seconds, catering to different messaging needs in portable electronics.

Replacement Considerations

ISD4002-120PY: Offers 120 seconds duration at 8.0 kHz sampling rate. ISD4002-150PY: Offers 150 seconds duration at 6.4 kHz sampling rate. ISD4002-240PY: Offers 240 seconds duration at 4.0 kHz sampling rate. All share identical pinouts and SPI interfaces.