UNISONIC TECHNOLOGIES CO., LTD UM2752 Preliminary LINEAR INTEGRATED CIRCUIT 2 INPUT/1 OUTPUT STEREO AUDIO SELECTOR DESCRIPTION The UTC UM2752 is a Stereo Audio Selector with 2 Inputs and 1 Output. Based upon the inner OP-AMP Switch technology, the UTC UM2752 features higher Channel Separation, lower Output Noise and lower Distortion than the common Multiplexers or Analogue Switches. The UTC UM2752 can be applied to many kinds of audio devices, such as Car Stereo, TV, Mini music center and so on. FEATURES * Dual Channel for Stereo Use * 4.7~10V Operating Voltage * 2 Input /1 Output Audio Selectors * Bipolar Technology * Low Output Noise: -114dBV typ. * Low Distortion: 0.0009% typ. ORDERING INFORMATION Ordering Number Lead Free Halogen Free UM2752L-P14-R UM2752G- P14-R UM2752L-P14-T UM2752G- P14-T Note: xx: Output Voltage, refer to Marking Information. www.unisonic.com.tw Copyright © 2012 Unisonic Technologies Co., Ltd Package Packing TSSOP-14 TSSOP-14 Tape Reel Tube 1 of 5 QW-R109-030. a UM2752 Preliminary LINEAR INTEGRATED CIRCUIT PIN CONFIGURATION OUTA 1 14 OUTB IN1A 2 13 IN1B V+ 3 12 GND IN2A 4 11 IN2B CNT1 5 10 VREF N.C 6 9 N.C N.C 7 8 N.C PIN DESCRIPTION PIN NO. 1 2 3 4 5 6~9 10 11 12 13 14 PIN NAME OUTA IN1A V+ IN2A CNT1 N.C VREF IN2B GND IN1B OUTB DESCRIPTION Ach Output Ach Input 1 Supply Voltage Ach Input 2 Select Control 1 No Connection Reference Voltage Bch Input 2 Ground Bch Input 1 Bch Output UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 5 QW-R109-030. a UM2752 Preliminary LINEAR INTEGRATED CIRCUIT BLOCK DIAGRAM UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 5 QW-R109-030. a UM2752 Preliminary LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATING (TA=25°C, unless otherwise specified) PARAMETER Supply Voltage RATINGS UNIT 12 V 450 (Note 2) Power Dissipation PD mW 570 (Note 3) Operating Temperature TOPR -40~+85 °C Storage Temperature TSTR -40~+150 °C Notes: 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. EIA/JEDEC STANDARD Test board (76.2x114.3x1.6mm, 2layer, FR-4) mounting 3. EIA/JEDEC STANDARD Test board (76.2x114.3x1.6mm, 4layer, FR-4) mounting SYMBOL V+ ELECTRICAL CHARACTERISTICS (TA=25°C, V+=9V, unless otherwise specified) PARAMETER Operating Voltage Supply Current Reference Voltage Voltage Gain Total Harmonic Distortion SYMBOL V+ ICC VREF GV THD+N TEST CONDITIONS MIN 4.7 No Signal VIN=1Vrms, f=1kHz VIN=1Vrms, f=1kHz -1 Output Noise Voltage VNO A-Weighted Maximum Output Voltage VOM f=1KHz, THD=1% Cross Talk Channel Separation Switch-ON Voltage Level Switch-OFF Voltage Level Input Impedance Output Impedance CT CS VCH VCL RIN ROUT VIN=1Vrms, f=1kHz, A-Weighted VIN=1Vrms, f=1kHz, A-Weighted 6 2.0 70 80 2.4 TYP 9.0 10 4.5 0 0.0009 -114 2 8 2.5 100 110 MAX 10.0 15 1 0.03 -100 10 0.5 100 45 UNIT V mA V dB % dBV VRMS dBV VRMS dB dB V V kΩ Ω SWITCH CONTROL LOGIC CNT1 L H UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw INPUT SELECTOR Ach/Bch IN1 IN2 4 of 5 QW-R109-030. a UM2752 Preliminary LINEAR INTEGRATED CIRCUIT TYPICAL APPLICATION CIRCUIT 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 5 of 5 QW-R109-030. a