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1812A Schematic ( PDF Datasheet ) - Unisonic Technologies

Teilenummer 1812A
Beschreibung (1812A / 1813) SINGLE SOUND GENERATOR
Hersteller Unisonic Technologies
Logo Unisonic Technologies Logo 




Gesamt 8 Seiten
1812A Datasheet, Funktion
UNISONIC TECHNOLOGIES CO., LTD
1812A/1812B/1813
SINGLE SOUND GENERATOR
CMOS IC
DESCRIPTION
The UTC 1812A/1812B/1813 is a CMOS LSI chip designed for
use in sound effect products .It is equipped with tone circuit, noise
circuit and other control logic to generate different sounds
including rifle gun, machine gun, booming sound, door bell, alarm
etc. The customer supplied sound source can be analyzed and
programmed into an internal ROM by changing a mask layer
during device fabrication. The UTC 1812A/1812B/1813 is suitable
for various toy applications.
SOP-8
DIP- 8
FEATURES
*Single power supply: 2.4~3.3V
*Low standby current at 3V, 1µA typ
*Auto power-off function
*Speaker or direct piezo. application
*Built-in envelope control circuit
*1Hz-8Hz programmable LED flash output
*Minimum external components
*Low operating current
*Strong driving capability
DIP-14
*Pb-free plating product number:
1812A/1812B/1813L
www.DataSheet4U.com
ORDERING INFORMATION
Normal
1812A-D8-R
1812A-D8-T
1812A-S8-R
1812A-S8-T
1812B-D8-R
1812B-D8-T
1812B-S8-R
1812B-S8-T
1813-D14-T
Order Number
Lead Free Plating
1812AL-D8-R
1812AL-D8-T
1812AL-S8-R
1812AL-S8-T
1812BL-D8-R
1812BL-D8-T
1812BL-S8-R
1812BL-S8-T
1813L-D14-T
Package
DIP-8
DIP-8
SOP-8
SOP-8
DIP-8
DIP-8
SOP-8
SOP-8
DIP-14
Packing
Tape Reel
Tube
Tape Reel
Tube
Tape Reel
Tube
Tape Reel
Tube
Tube
www.unisonic.com.tw
Copyright © 2005 Unisonic Technologies Co., Ltd
1 of 8
QW-R502-006,E






1812A Datasheet, Funktion
1812A/1812B/1813
APPLICATION CIRCUITS
Speaker output with an envelope
VDD
1 VSS
2 OUT
OSC 1 8 ROSE
OSC 2 7
8050
3 OUT
6
KEY
100
4 ENV
VDD 5
+
33 UTC 1812B
VDD
Speaker output without an envelope
VDD
8050
100
Rosc
1 VSS OSC1 8
2 OUT OSC2 7
3 OUT
4 LED
6
KEY
VDD 5
VDD
UTC 1812A
100
Piezo output without an envelope
Piezo
1 VSS OSC1 8 Rosc
2 OUT OSC2 7
3 OUT
4 LED
6
KEY
VDD 5
UTC 1812A
VDD
100
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
CMOS IC
6 of 8
QW-R502-006,E

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