ISD1750PY

Series:	ChipCorder®
Part Status:	Active
Lead Free Status / RoHS Status:	--
Interface:	Pushbutton, SPI
Moisture Sensitivity Level (MSL):	--
Input Signal:	Analog - Single Ended, Microphone
Output Signal:	Analog - Single Ended, PWM Speaker Output
Sampling Frequency:	4 ~ 12kHz
Duration:	33 ~ 100 Sec
Filter Pass Band:	--
Messaging:	Multiple
Oscillator Type:	Internal
Features:	Automatic Gain Control, Volume Control
Operating Temperature:	0°C ~ 70°C (TA)
Voltage - Supply:	2.4V ~ 5.5V
Mounting Type:	Through Hole
Package / Case:	28-DIP (0.600", 15.24mm)
Supplier Device Package:	28-DIP

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Introduction

ISD1700PY series is a CMOS integrated circuit designed for a wide range of applications including voice recording and playback. The device consists of a voice recording and playback controller and a low-power memory array. It features high density recording at long playback times, fast erase capability, unlimited record/erase endurance, and low voltage operation.

Application Field

ISD1700PY series is capable of recording and playing back digital audio in WAV, PCM or MP3 formats. The device can be used in a variety of applications such as:1. Voice recording and playback for consumer products 2. Multilingual voice prompts for voice- activated appliances 3. Talking greeting cards/badges 4. Automotive safety, navigation and entertainment systems

Working Principle

ISD1700PY series is designed to provide a complete solution for recording and playing back digital audio. It has an integrated voice controller, audio amplifier and memory array that enable quick and efficient recordings. The recordings are stored in non-volatile memory and can be retrieved quickly and accurately. When recording, the audio input is digitized by an on-board Analog-to-Digital (A/D) converter. The digitized audio data is stored in the memory array. Erasing of the recorded audio is also done digitally without any mechanical operation.When playing back, the stored digital audio data is converted back to its analog form by a Digital-to-Analog (D/A) converter. The analog audio output can then be amplified and filtered for playback. The device also has a built in microphone pre-amplifier and low power mode features that reduce power consumption when the device is idle.

Conclusion

The ISD1700PY series is a highly integrated, low-power and cost-effective solution for recording and playback of digital audio. It is designed for applications ranging from consumer products to automotive systems. The device’s on-board A/D and D/A converters, along with its integrated voice controller and memory array, provide an optimal solution for efficient and accurate recording and playback of digital audio.

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