UNISONIC TECHNOLOGIES CO., LTD 2A/2B/ SINGLE SOUND GENERATOR DESCRIPTION The UTC 2A/2B/ 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 2A/2B/ is suitable for various toy applications. FEATURES SOP- DIP- DIP- *Single power supply: 2.~.V *Low standby current at V, μa typ *Auto power-off function *Speaker or direct piezo. application *Built-in envelope control circuit *Hz-Hz programmable flash output *Minimum external components *Low operating current *Strong driving capability ORDERING INFORMATION Ordering Number Lead Free Halogen Free Package Packing 2AL-xx-D0-T 2AG-xx-D0-T DIP- Tube 2AL-xx-S0-R 2AG-xx-S0-R SOP- Tape Reel 2BL-xx-D0-T 2BG-xx-D0-T DIP- Tube 2BL-xx-S0-R 2BG-xx-S0-R SOP- Tape Reel L-xx-D-T G-xx-D-T DIP- Tube of Copyright 20 Unisonic Technologies Co., Ltd
MARKING Ordering MARKING Number DIP- / DIP- SOP- 2A 2B (DIP-) - PIN CONFIGURATIONS V SS OSC 2 UTC 2A DIP-/SOP- DIP-/SOP- DIP- PIN CONFIGURATIONS PIN NO. 2A 2B SYMBOL DESCRIPTION 9 V SS Negative power supply, GND 2 2 2 Sound output pad, out of phase to pad Sound output pad - 2 flash output pad - ENV Sound envelope control pad Positive power supply Key input pad, low active Oscillator output pad OSC Oscillator input pad - - TEST For IC test only - - TEST2 For IC test only - - TEST For IC test only - - 0, NC No connection UNISONIC TECHNOLOGIES CO., LTD 2 of
BLOCK DIAGRAM UNISONIC TECHNOLOGIES CO., LTD of
ABSOLUTE MAXIMUN RATINGS PARAMETER SYMBOL VALUE UNIT Supply Voltage V CC -0. ~ V Input Voltage V IN V SS -0. ~ +0. V Operating Temperature T OPR 0 ~ +0 C Storage Temperature T STG -0 ~ +0 C Note: 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. ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Operating Voltage =V 2.. V H Input Voltage V IH =V 2. V L Input Voltage V IL =V 0. V Output Source Current I OH =V, V OH =2.V -0. -2 ma Output Sink Current I OL =V, V OL =0.V 0. 2 ma ENV Source Current I ENV =V, V OH =2.V - -2 ma Source Current I =V, V OH =2.V - -2 ma Standby Current I ST-BY =V μa Operating Current I DD =V, NO LOAD 00 00 μa Oscillator Frequency F OSC R=20kΩ khz UNISONIC TECHNOLOGIES CO., LTD of
TIMING DIAGRAM With an envelope OSCILLATOR No envelope OSCILLATOR UNISONIC TECHNOLOGIES CO., LTD of
APPLICATION CIRCUITS Speaker output with an envelope Speaker output without an envelope 2 V SS OSC Rosc 00 UTC 2A Piezo output without an envelope Piezo 2 V SS OSC UTC 2A Rosc UNISONIC TECHNOLOGIES CO., LTD of
APPLICATION CIRCUITS(Cont.) Hand touch trigger Piezo V SS OSC 2 Rosc 00 Hand Touch UTC2A APPLICATION CIRCUITS (2-SIREN I) 2 V SS OSC 20KΩ 00 UTC 2A UNISONIC TECHNOLOGIES CO., LTD of
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. UTC reserves the right to make changes to information published in this document, including without limitation specifications and product descriptions, at any time and without notice. This document supersedes and replaces all information supplied prior to the publication hereof. UNISONIC TECHNOLOGIES CO., LTD of