JA21085 - Useful Voice with Real-Time Clock

Download the JA21085 datasheet PDF. This datasheet also covers the JA21000 variant, as both devices belong to the same useful voice with real-time clock family and are provided as variant models within a single manufacturer datasheet.

General Description

JA21000 is a series of 3 to 340 seconds single chip voice synthesizer IC with RTC which contains a PWM direct drive circuit or AUD output for transistor application.

Key Features

y Single power supply 2.4V.
5.2V y 4-bit ADPCM & 8-bit PCM synthesis. y 7K-22KHz max. of playing speed for ADPCM synthesizer y 12K-32KHz max. of playing speed for PCM synthesizer y Provides 3~340 seconds voice@ S. R. = 6kHz & www. DataSheet4U. c4om-bit ADPCM y Max. of two current type DAC audio outputs y One PWM output to direct driving a speaker y Programmable 2-channel tone melody generator y 16 levels of digital volume control y Powerful and easy instructions are provided y B.

📥 Download Datasheet

JA21085 useful voice with real-time clock by JAZTEK - Datasheet Preview — Note: The manufacturer provides a single datasheet file (JA21000_Jaztek.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number	JA21085
Manufacturer	JAZTEK
File Size	403.88 KB
Description	Useful Voice with Real-Time Clock
Datasheet	JA21085 Datasheet

Full PDF Text Transcription for JA21085 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for JA21085. For precise diagrams, and layout, please refer to the original PDF.

JA21000 Series Useful Voice with Real-Time Clock (RTC) Features y Single power supply 2.4V – 5.2V y 4-bit ADPCM & 8-bit PCM synthesis. y 7K-22KHz max. of playing speed...

View more extracted text

4-bit ADPCM & 8-bit PCM synthesis. y 7K-22KHz max. of playing speed for ADPCM synthesizer y 12K-32KHz max. of playing speed for PCM synthesizer y Provides 3~340 seconds voice@ S.R.= 6kHz & www.DataSheet4U.c4om-bit ADPCM y Max.

More Datasheets from JAZTEK

Part Number	Description
JA21000	Useful Voice ROMless Voice Synthesizer And Controller
JA21003	Useful Voice with Real-Time Clock
JA21007	Useful Voice with Real-Time Clock
JA21014	Useful Voice with Real-Time Clock
JA21018	Useful Voice with Real-Time Clock
JA21032	Useful Voice with Real-Time Clock
JA21043	Useful Voice with Real-Time Clock
JA21064	Useful Voice with Real-Time Clock
JA21128	Useful Voice with Real-Time Clock
JA21170	Useful Voice with Real-Time Clock