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UNISONIC TECHNOLOGIES CO., LTD 1812A/1812B/1813
SINGLE SOUND GENERATOR
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.
CMOS IC
SOP-8
DIP- 8
FEATURES
*Single power supply: 2.4~3.3V *Low standby current at 3V, 1A 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
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 (c) 2005 Unisonic Technologies Co., Ltd
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1812A/1812B/1813
PIN CONFIGURATIONS DIP-8/SOP-8
VSS 1 8 OSC1
CMOS IC
DIP-8/SOP-8
VSS 1 8 OSC1 TEST3
DIP-14
1 2 3 4 5 6 7 14 13 12 ENV OUT OUT NC NC VSS TEST2
OUT
2
7
OSC2 OUT KEY
2
7
OSC2
LED
OUT
3
UTC 1812A
6
OUT
3
UTC 1812B
6
KEY
VDD
KEY OSC2 OSC1 TEST1
LED
4
5
VDD
ENV
4
5
VDD
UTC 1813
11 10 9 8
PIN CONFIGURATIONS
PIN NO. 1812A 1 2 3 4 5 6 7 8 1812B 1 2 3 4 5 6 7 8 1813 9 12 13 2 14 3 4 5 6 7 8 1 10,11 VSS OUT OUT LED ENV VDD KEY OSC2 OSC1 TEST1 TEST2 TEST3 NC Negative power supply, GND Sound output pad, out of phase to pad 3 Sound output pad LED flash output pad Sound envelope control pad Positive power supply Key input pad, low active Oscillator output pad Oscillator input pad For IC test only For IC test only For IC test only No connection SYMBOL DESCRIPTION
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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1812A/1812B/1813
BLOCK DIAGRAM
CMOS IC
OSC 1 OSC 2
Oscillator
Divider
Speed Generator
LED Divider
LED
KEY
Key Input Logic
Tone Generator Noise Generator
Selector & Envelope Circuit
Output Divider
OUT OUT
TEST1 TEST2 TEST 3
ENV
VDD
VSS
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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1812A/1812B/1813
ABSOLUTE MAXIMUN RATINGS
CMOS IC
PARAMETER SYMBOL VALUE UNIT Supply Voltage VCC -0.3~5 V Input Voltage VIN Vss-0.3 ~ VDD+0.3 V Operating Temperature TOPR 0~+70 C Storage Temperature TSTG -40~+150 C Note: 1.Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. 2.The device is guaranteed to meet performance specification within 0 ~+70 operating temperature range and assured by design from -20 ~+85 .
ELECTRICAL CHARACTERISTICS
PARAMETER Operating Voltage "H" Input Voltage "L" Input Voltage Output Source Current Output Sink Current ENV Source Current LED Source Current Standby Current Operating Current Oscillator Frequency SYMBOL VDD VIH VIL IOH IOL IENV ILED IST-BY IDD FOSC TEST CONDITIONS VDD =3V VDD =3V VDD =3V VDD =3V, VOH=2.5V VDD =3V, VOL=0.5V VDD =3V, VOH=2.5V VDD =3V, VOH=2.5V VDD =3V VDD =3V, NO LOAD R=270k MIN 2.4 2.4 -1 1 -1 -1 TYP 3 MAX 3.3 0.6 -2 2 -2 -2 1 300 64 UNIT V V V mA mA mA mA A A kHz
5 600
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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1812A/1812B/1813
TIMING DIAGRAM
With an envelope KEY OSCILLATOR
CMOS IC
OUT No envelope KEY OSCILLATOR
OUT OUT
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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1812A/1812B/1813
APPLICATION CIRCUITS
Speaker output with an envelope
CMOS IC
VDD
1
VSS
OSC 1 OSC 2 KEY
8 ROSE 7 6 5
2 OUT
8050 100 33 +
3 4
OUT ENV
VDD
VDD
UTC 1812B
Speaker output without an envelope
VDD 1 VSS OSC1 8 Rosc
2 OUT OSC2 7 8050 100 3 4 OUT LED 6 KEY VDD 5
VDD
UTC 1812A 100
Piezo output without an envelope
1
VSS
OSC1
8 Rosc
2 OUT OSC2 7 Piezo 3 4 OUT LED 6 KEY 5 VDD
VDD
UTC 1812A 100
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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APPLICATION CIRCUITS(Cont.)
Hand touch trigger
CMOS IC
Rosc 1V OSC1 8 SS 2 OUT OSC2 7 Piezo 3 OUT KEY 6 8050
VDD Hand Touch
4 LED
VDD 5
UTC1812A VDD 100
APPLICATION CIRCUITS (1812-SIREN I)
VDD 1 VSS OSC1 8 2 OUT OSC2 7 8050 100 3 4 OUT LED KEY VDD 6 5 VDD 270K
UTC 1812A 100
KEY
OUT
(repeat 15 cycle)
ENV
LED
T= 0. 38sec When Fosc =64kHz * The IC substrate should be connected to V in the PCB layout .artwork DD
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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1812A/1812B/1813
CMOS IC
UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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