APR Page. / VER 1. APR RE- RECORDING VOICE IC. Single-Chip Voice Recording & Playback Device for Single. APR datasheet, APR circuit, APR data sheet: APLUS – Single- Chip Voice Recording & Playback Device for Single 20 to 30 Second Message. Datasheet. Recording voice IC. APLUS INTEGRATED CIRCUITS INC. Address: 3 F, No. 32, Sec. 1, Chenggung Rd., Taipei, Taiwan

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It is designed to be used as a building block in other projects where a More information. The gain is internally set to 20 to keep external part count More information.

I am doing a mini project on voice guider for old people using apr ,,i am tryng to record voice using microphone in apr ,but the busy pin led always datazheet and there is no beep sound from the speaker when we try to start recording,,what should i do??

It is identical More information. Its high output voltage, excellent. Start display at page:. These specifications represent a stress rating only. It encodes data datadheet address pins into a serial coded waveform suitable. Its high output voltage, excellent More information.


Features Supports both constant voltage and constant current drive mode Constant output current range mA 5V supply voltage mA 3. The APR device stores and reproduces voice signals in their natural forms, eliminating distortion that is often introduced by encoding and compression.


APR datasheet and specification datasheet Download datasheet. The internal conversion architecture is based More information. Operation of the device at these or any other conditions above those specified in the recommended DC Characteristics or recommended Analog Characteristics of this specification is not implied.

Least external components, More information. Single Operational Amplifier www. Copy your embed code and put on your site: They adopt More information.

APR with microcontrolller. Output range no PLL: If the newly recorded message is shorter than the previously recorded message, the remaining portion of the previous message will not be played after the new message is played back. Download datasheet Kb Share this page.

What part of circuit are you having problem? Messages of up to 30 seconds can be recorded by using arp9301 OscR resistor values see Table 1. B No part of this document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, mechanical, More information. The internal conversion architecture is based.

Aplus India | Aplus make voice & Melody ICS

Low Injection Power for crystal. The IC consists of a stereo modulator for generating stereo composite signals and a FM transmitter.


Pins 23 and 27 have internal pull-up resistors. Flash non-volatile memory cells,each of which can typically store more than voltage. Details are subject to change without notice.

Apr Are you looking for?: Description The itf is an ultra-wideband phase delay with an ECL topology to ensure high-speed operation that accepts either single-ended or differential data input.

Operation of the device at maximum conditions for extended periods may affect reliability. The typical sampling frequency is 6.

APR Datasheet(PDF) – Aplus Intergrated Circuits

No recording or playback is allowed. Playback Mode Edge-Activated Playback always starts from the beginning of the message.

B No part of this document may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, mechanical. It includes a current shunt comparator and shutdown comparator More information.

Charge Injection, 2pC typ. Die diagram is with respect to die center um Die Dimensions: With high unity gain frequency and a guaranteed More information.

The A version is recommended for 5V designs and the B version More information. Table 2 Absolute Maximum Ratings. Am a ok with coding but need help with some concepts. TDA FM radio circuit.