A4533 UTC | Alldatasheet
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UNISONIC TECHNOLOGIES CO., LTD A4533 LINEAR INTEGRATED CIRCUIT www.unisonic.com.tw 1 of 4 Copyright © 2005 Unisonic Technologies Co., LTD QW-R121-017,A LOW POWER AMPLIFIER FOR HEADPHONE STEREOS FEATURES * 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. MSOP-10 SSOP-10 *Pb-free plating product number: A4533L ORDERING INFORMATION Order Number Normal Lead Free Plating Package Packing A4533-SM2-R A4533L-SM2-R MSOP-10 Tape & Reel A4533-SM2-T A4533L-SM2-T MSOP-10 Tube A4533-R10-R A4533L-R10-R SSOP-10 Tape & Reel A4533-R10-T A4533L-R10-T SSOP-10 Tube
A4533 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 2 of 4 www.unisonic.com.tw Q W - R 1 2 1 - 0 1 7 , A BLOCK DIAGRAM POWER SWITCH IN 1 PRE GND IN 2 REF BIAS Amp2 POWER SWITCH MUTE CIRCUIT MUTE SWITCH OUT 1 POWER GND OUT 2 VCC Amp1
A4533 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 3 of 4 www.unisonic.com.tw Q W - R 1 2 1 - 0 1 7 , A ABSOLUTE MAXIMUM RATINGS (TA = 25°C) PARAMETER SYMBOL RATINGS UNIT Power Supply Voltage VCC 4.5 V Power Dissipation PD 300 mW Junction Temperature TJ 125 Ċ Operating Temperature TOPR 0 ~ +70 Ċ Storage Temperature TSTG -40 ~ +150 Ċ 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 0Ċ ~ 70 Ċ operating temperature range and assured by design from –20Ċ ~ 85Ċ. RECOMMENDED OPERATING CONDITIONS PARAMETER SYMBOL RATINGS UNIT Supply Voltage VCC 3 V Operating Voltage Range VOPR 1.6 ~ 4 V Load Resistance RL 16 ~ 32 Ω ELECTRICAL CHARACTERIS (Ta = 25°C, RL=16Ω, Rg=600Ω, Unless Otherwise specified) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT IQ1 V CC=2.4V 5.4 10 mA IQ2 V CC=4.5V, Mute =GND 1.1 2.0 mAQuiescent Current IQ3 V CC=4.5V, PS = GND 1.0 µA GV1 V CC=2.4V, f=1kHz, VOUT=–10dBm 30 32 34 dBVoltage Gain GV2 V CC=1.6V, f=1kHz, VOUT=–20dBm 29 32 34 dB ∆GV1 V CC=2.4V, f=1kHz, VOUT=–10dBm 1.0 dBVoltage Gain Difference ∆GV2 V CC=1.6V, f=1kHz, VOUT=–20dBm 1.0 dB Total Harmonic Distortion THD VCC=2.0V, f=1kHz, POUT=1mW 0.5 1.5 % Output Power POUT VCC=3.0V, f=1kHz, THD=10% 20 40 mW Cross Talk CT VCC=2.4V, f=100Hz, Rg=1kW, VOUT=–10dB 40 50 dB Ripple Rejection RR VCC=1.6V, f=100Hz, Rg=1kΩ, VR=–20dBm, BPF=100Hz 45 60 dB Output Noise Voltage eN VCC=4.5V, Rg=1kΩ,BPF=20Hz ~ 20kHz 62 100 µV Power Off Effect VO(OFF) VCC=1.6V, f=100Hz, PS = GND, VIN=–10dB -80 dB Muting Effect VO(MT) VCC=1.6V, f=100Hz, Mute = GND, VIN=–10dB -80 dB 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 curren t flowing into pin 6. The respective maximum currents flowing into pin 1 and pin 10 are calculated by (pin voltage –0.5) / 16 [V/k Ω] and the total current increases by these current values.
A4533 LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 4 of 4 www.unisonic.com.tw Q W - R 1 2 1 - 0 1 7 , A TEST CIRCUIT A ICC 220DŽ VCC VR RIPPLEDC RL 4.7 0.1DŽ VCC OUT 2 POWER GND OUT 1 MT/SWP/SW IN 1 PRE GND IN 2 REF Unit (resistance: Ƹ, capacitance: F) 220DŽ RL 0.1DŽ 4.7 MT/SWP/SW UTC A4533 Rg Rg SG 2 1 V10 I10 +22DŽ + 4.7DŽ TYPICAL APPLICATON CIRCUIT 220DŽ VCC RL 4.7 0.1DŽ VCC OUT 2 POWER GND OUT 1 MT/SWP/SW IN 1 PRE GND IN 2 REF Unit (resistance: Ƹ, capacitance: F) 220DŽ RL 0.1DŽ 4.7 MT/SWP/SW UTC A4533 22DŽ SG ON OFF OFF ON VR VR SG +4.7DŽ 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 expec ted 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.