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Product Detailed Parameters
- Description：IC VOICE REC/PLAY 16SEC 28DIP
- Series：ChipCorder®
- Mfr：Nuvoton Technology Corporation
- Package：-
- Interface：Pushbutton
- Input Signal：Analog - Single Ended, Microphone
- Output Signal：PWM Speaker Output
- Sampling Frequency：8kHz
- Duration：16 Sec
- Filter Pass Band：3.3kHz
- Messaging：Multiple
- Oscillator Type：Internal
- Features：Automatic Gain Control
- Operating Temperature：-40°C ~ 85°C (TA)
- Voltage - Supply：4.5 V ~ 5.5 V
- Mounting Type：Through Hole
- Package / Case：28-DIP (0.600", 15.24mm)
- Supplier Device Package：28-PDIP
- Grade：-
- Qualification：-
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Overview
The ISD1416PI is a single-chip voice record/playback device from the ISD1400 series, manufactured by Winbond. It provides 16 seconds of recording duration using an 8.0 kHz sampling frequency and features a 3.3 kHz filter passband. The device operates on a single +5V supply (4.5V to 5.5V) and includes an on-chip oscillator, microphone preamplifier, automatic gain control, anti-aliasing filter, smoothing filter, and speaker amplifier. Recordings are stored in non-volatile memory with zero-power retention. Standby current is typically 1 µA. It supports manual switch or microcontroller control via edge- or level-activated playback inputs.
Feature Summary
- Direct analog storage technology for natural voice reproduction without digitization
- Integrated speaker amplifier capable of driving loads as low as 16 Ω
- Automatic power-down mode for ultra-low standby current consumption
- Fully addressable architecture supporting multiple message segments
Applications
- Short-duration messaging systems
- Voice prompts and announcements
- Security alarm audio alerts
- Educational toys and games
Procurement Notes
Verify the manufacturer origin, as the ISD1400 series is originally a Winbond product line. Confirm the specific suffix 'PI' corresponds to the required package type and temperature grade against the official datasheet. Ensure the source document matches the revision history provided in the verified local material.
Selection Notes
Select the ISD1416PI when a 16-second duration at 8.0 kHz sampling rate is required. Choose this over the ISD1420 if higher speech quality is prioritized over longer recording time. Consider external clocking via XCLK if precise timing stability beyond the internal oscillator tolerance is necessary for the application.
Part Context
The ISD1416PI belongs to the ISD1400 ChipCorder series, which utilizes Multi-Level Storage (MLS) technology. This family allows for direct analog storage of voice signals into non-volatile memory cells, eliminating the need for compression algorithms found in digital solutions. The series supports both commercial and industrial temperature ranges depending on the specific packaging.
Replacement Considerations
The ISD1420 is a compatible alternative within the same series offering 20 seconds of duration at a 6.4 kHz sampling rate. Both devices share identical pinouts and operational modes, allowing for potential interchangeability if the duration and audio bandwidth requirements permit.
