UNISONIC TECHNOLOGIES CO., LTD A4533 LINEAR INTEGRATED CIRCUIT LOW POWER AMPLIFIER FOR HEADPHONE STEREOS FEATURES MSOP-10 * Low current consumption. * 16Ω load drive capability. * Excellent reduced voltage characteristics. * High power supply ripple rejection. * Fewer external components required. * High voltage gain. * Less harmonic interference in radio band. * Built in power switch and muting function. ORDERING INFORMATION Order Number A4533G-SM2-R A4533G-SM2-T A4533G-R10-R A4533G-R10-T SSOP-10 Package MSOP-10 MSOP-10 SSOP-10 SSOP-10 Packing Tape Reel Tube Tape Reel Tube MARKING www.unisonic.com.tw Copyright © 2014 Unisonic Technologies Co., LTD 1 of 4 QW-R107-044.C A4533 LINEAR INTEGRATED CIRCUIT BLOCK DIAGRAM POWER SWITCH 1 POWER SWITCH MUTE CIRCUIT Amp1 IN 1 2 IN 2 4 Amp2 BIAS UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 9 OUT 1 8 POWER GND PRE GND 3 REF 5 10 MUTE SWITCH 7 OUT 2 6 VCC 2 of 4 QW-R107-044.C A4533 LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS (TA = 25°C, unless Otherwise specified) PARAMETER SYMBOL RATINGS UNIT Power Supply Voltage VCC 4.5 V Power Dissipation PD 300 mW Junction Temperature TJ 125 °C Operating Temperature TOPR -20 ~ +85 °C Storage Temperature TSTG -40 ~ +150 °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. RECOMMENDED OPERATING CONDITIONS PARAMETER Recommended Supply Voltage Operating Voltage Range Load Resistance SYMBOL VCC VOPR RL RATINGS 3 1.6 ~ 4 16 ~ 32 UNIT V V Ω ELECTRICAL CHARACTERIS (TA = 25°C, RL=16Ω, Rg=600Ω, unless Otherwise specified) PARAMETER SYMBOL IQ1 IQ2 IQ3 GV1 GV2 ∆GV1 ∆GV2 THD POUT CONDITIONS MIN TYP 5.4 1.1 MAX UNIT 10 mA 2.0 mA 1.0 μA 34 dB 34 dB 1.0 dB 1.0 dB 1.5 % mW VCC=2.4V VCC=4.5V, Mute =GND VCC=4.5V, PS = GND VCC=2.4V, f=1kHz, VOUT=–10dBm 30 32 Voltage Gain VCC=1.6V, f=1kHz, VOUT=–20dBm 29 32 VCC=2.4V, f=1kHz, VOUT=–10dBm Voltage Gain Difference VCC=1.6V, f=1kHz, VOUT=–20dBm Total Harmonic Distortion VCC=2.0V, f=1kHz, POUT=1mW 0.5 Output Power VCC=3.0V, f=1kHz, THD=10% 20 40 VCC=2.4V, f=100Hz, Rg=1kW, 40 50 dB Cross Talk CT VOUT=–10dB VCC=1.6V, f=100Hz, Rg=1kΩ, 45 60 dB Ripple Rejection RR VR=–20dBm, BPF=100Hz Output Noise Voltage eN VCC=4.5V, Rg=1kΩ,BPF=20Hz ~ 20kHz 62 100 μV VCC=1.6V, f=100Hz, PS = GND, -80 dB Power Off Effect VO(OFF) VIN=–10dB VCC=1.6V, f=100Hz, Mute = GND, -80 dB Muting Effect VO(MT) VIN=–10dB Power On Current Sensitivity IPS(ON) VCC=1.5V, VREF≥0.85V 0.05 1.0 μA Power Off Voltage Sensitivity VPS(OFF) VCC=1.5V, VREF ≤0.1V 0.5 0.6 V Muting Off Current Sensitivity IMUTE(OFF) VCC=1.5V, VREF ≥0.85V 0.2 1.0 μA Muting On Voltage Sensitivity VMUTE(ON) VCC=1.5V, VREF ≤0.1V 0.5 0.65 V Note: The quiescent current is represented by the current flowing into pin 6. The respective maximum currents flowing into pin 1 and pin 10 are calculated by (pin voltage –0.5) / 16 [V/kΩ] and the total current increases by these current values. Quiescent Current UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 4 QW-R107-044.C A4533 LINEAR INTEGRATED CIRCUIT TEST CIRCUIT 2 PS 3 V1 1 1 1 PS MUTE 10 MUTE 4 4 2 IN 1 2 Rg 1kΩ 1 SG I10 UTC A4533 1 OUT 1 9 3 PRE GND 2 Rg 1kΩ 4 IN 2 OUT 2 7 5 REF VCC 6 3 V10 220μF 0.1μF RL 16Ω 4.7Ω 4.7Ω 0.1μF RL 16Ω VCC VR 220μF DC A + + 22μF POWER GND 8 2 + I1 + 4.7μF RIPPLE ICC TYPICAL APPLICATON CIRCUIT UTC A4533 1 PS 1 PS MUTE 10 OFF MUTE OFF ON 2 IN 1 VR 3 PRE GND VR SG 1 SG 2 OUT 1 9 POWER GND 8 4 IN 2 OUT 2 7 5 REF VCC 6 4.7Ω 4.7Ω 0.1μF 220μ RL 16Ω RL 16Ω + VCC 4.7μF + + 22μF 0.1μF 220μF + ON + 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 4 of 4 QW-R107-044.C