UNISONIC TECHNOLOGIES CO., LTD 1812A/1812B/1813 CMOS IC SINGLE SOUND GENERATOR DESCRIPTION SOP-8 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. 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 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 www.unisonic.com.tw Copyright © 2005 Unisonic Technologies Co., Ltd Package Packing DIP-8 DIP-8 SOP-8 SOP-8 DIP-8 DIP-8 SOP-8 SOP-8 DIP-14 Tape Reel Tube Tape Reel Tube Tape Reel Tube Tape Reel Tube Tube 1 of 8 QW-R502-006,E 1812A/1812B/1813 CMOS IC PIN CONFIGURATIONS DIP-8/SOP-8 VSS 1 OUT 2 OUT 3 LED 4 UTC 1812A DIP-8/SOP-8 8 OSC1 VSS 1 7 OSC2 OUT 2 6 KEY OUT 3 5 VDD ENV 4 UTC 1812B DIP-14 8 OSC1 TEST3 1 14 ENV 7 OSC2 LED 2 13 OUT 6 KEY VDD 3 12 OUT 5 VDD KEY 4 11 NC OSC2 5 10 NC OSC1 6 9 VSS TEST1 7 8 TEST2 UTC 1813 PIN CONFIGURATIONS PIN NO. SYMBOL DESCRIPTION 1812A 1812B 1813 1 1 9 VSS Negative power supply, GND 2 2 12 OUT Sound output pad, out of phase to pad 3 3 3 13 OUT Sound output pad 4 - 2 LED LED flash output pad - 4 14 ENV Sound envelope control pad 5 5 3 VDD Positive power supply 6 6 4 KEY Key input pad, low active 7 7 5 OSC2 Oscillator output pad 8 8 6 OSC1 Oscillator input pad - - 7 TEST1 For IC test only - - 8 TEST2 For IC test only - - 1 TEST3 For IC test only - - 10,11 NC No connection UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 8 QW-R502-006,E 1812A/1812B/1813 CMOS IC BLOCK DIAGRAM OSC 1 OSC 2 KEY Oscillator Key Input Logic Divider Tone Generator Noise Generator TEST1 TEST2 TEST 3 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw LED Divider Speed Generator Selector & Envelope Circuit ENV Output Divider LED OUT OUT VDD VSS 3 of 8 QW-R502-006,E 1812A/1812B/1813 CMOS IC ABSOLUTE MAXIMUN RATINGS 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=270kΩ UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN 2.4 2.4 TYP 3 -1 1 -1 -1 -2 2 -2 -2 1 300 64 MAX 3.3 0.6 5 600 UNIT V V V mA mA mA mA µA µA kHz 4 of 8 QW-R502-006,E 1812A/1812B/1813 CMOS IC TIMING DIAGRAM With an envelope KEY OSCILLATOR OUT No envelope KEY OSCILLATOR OUT OUT UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 5 of 8 QW-R502-006,E 1812A/1812B/1813 CMOS IC APPLICATION CIRCUITS Speaker output with an envelope VDD 1 VSS 2 OUT 3 8050 100Ω 33μ 4 8 ROSE OSC 1 7 OSC 2 OUT KEY ENV VDD 6 5 VDD + UTC 1812B Speaker output without an envelope VDD 1 VSS OSC1 8 Rosc 2 OUT OSC2 7 3 8050 100Ω OUT 4 LED 6 KEY VDD 5 VDD UTC 1812A 100Ω 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 100Ω UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 6 of 8 QW-R502-006,E 1812A/1812B/1813 CMOS IC APPLICATION CIRCUITS(Cont.) Hand touch trigger Rosc 1 V OSC1 8 SS 2 OUT OSC2 7 Piezo 3 OUT KEY 4 LED VDD Hand Touch 6 VDD 5 8050 UTC1812A VDD 100Ω APPLICATION CIRCUITS (1812-SIREN I) VDD 1 VSS OSC1 8 2 OUT OSC2 7 3 8050 100Ω 4 OUT KEY LED VDD 270KΩ 6 5 VDD UTC 1812A 100Ω KEY (repeat 15 cycle) OUT ENV LED T= 0. 38sec When Fosc =64kHz * The IC substrate should be connected to VDD in the PCB layout .artwork UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 7 of 8 QW-R502-006,E 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 8 of 8 QW-R502-006,E