ISD91361RI Integrated Circuits (ICs)

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Part Status:	Active
Lead Free Status / RoHS Status:	--
Moisture Sensitivity Level (MSL):	--

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Overview

The ISD91361RI is an integrated single-chip Voice Record and Playback interface specifically designed for consumer electronics and industrial applications. The chip integrates all the necessary components, including sound capture, playback, and storage in a single package, making it ideal for developing voice-recording applications such as remote control, security, and home appliances. The ISD91361RI is available in two forms – an LQFP package or a BGA package. A flexible I/O interface enables connection to many different external components, including DRAM, serial EEPROM, stereo sinks, and digital power amplifiers.

Features

* High Quality Audio: The ISD91361RI offers excellent audio quality with a low noise performance. The chip is capable of recording up to 8 kHz in mono, 12 kHz in stereo, and 16 kHz in dual-mono mode.* Low Power Consumption: The ISD91361RI consumes less than 1 mA when operating in standby mode and 0.5 mA when playing back recorded audio. This helps reduce power consumption for longer battery life.* High-capacity Memory: The ISD91361RI comes with a large amount of on-board flash memory, up to 8 MBit (64 MByte). This enables storage of large amounts of audio data without needing any external memory. * Multi-channel Operation: The ISD91361RI supports up to 8 input channels and 4 output channels, allowing multiple audio sources to be played in parallel or in sequence. * Easy Programming: Programming is easy with the ISD91361RI, as the chip supports several programming languages, including C, BASIC, and ASM.

Applications

The ISD91361RI is ideal for voice controlled appliances and other consumer electronics which require voice recording and playback. The chip can be used in applications such as remote controls, security systems, toys and games, washing machines, and more.

Working Principle

The ISD91361RI works by capturing incoming audio from an audio source via an integrated ADC. The ADC is then used to convert the analog signal into a digital form which is then stored in an on-board flash memory. Once the audio has been recorded, it can be played back using an on-board DAC. The playback of the audio can then be routed to an appropriate output such as a speaker, headphones, or a USB device.The ISD91361RI also supports pre-programmed sound effects, allowing recording and playback of pre-defined sounds. This is useful for applications such as toys and games, where different sound effects are needed.

Conclusion

The ISD91361RI is an excellent Voice Record and Playback interface designed specifically for consumer electronics and industrial applications. The chip integrates a low power-consumption design, excellent audio quality, and high capacity on-board flash memory, making it ideal for developing various voice recording and playback applications.

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