UNISONIC TECHNOLOGIES CO., 3541 CMOS IC CLASS AB STEREO HEADPHONE DRIVER WITH MUTE DIP-8 DESCRIPTION The UTC 3541 is a class AB stereo headphone driver with Mute feature. FEATURES * Built-in Mute Function * No Switch ON/OFF pops * Short-Circuit Protection * Low Power Consumption * Large Output Voltage Swing * High Signal-to-Noise Ratio ■ SOP-8 ORDERING INFORMATION Ordering Number Lead Free 3541L-D08-T 3541L-S08-R 3541L-S08-T Halogen Free 3541G-D08-T 3541G-S08-R 3541G-S08-T www.unisonic.com.tw Copyright © 2012 Unisonic Technologies Co., Package Packing DIP-8 SOP-8 SOP-8 Tube Tape Reel Tube 1 of 6 QW-R502-035.C 3541 CMOS IC PIN DESCRIPTION I/O O I I I I O B PIN NAME OUT 1 Mute IN 1 VSS IN 2 BIAS OUT 2 VDD A PIN NO. 1 2 3 4 5 6 7 8 + + DESCRIPTION Output pin for Channel A Mute control input, high for normal operation Input pin for Channel A Power ground Input pin for Channel B Right channel bias input pin Output pin for Channel B Power supply input UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 0dB BLOCK DIAGRAM 0dB 2 of 6 QW-R502-035.C 3541 CMOS IC ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL RATINGS UNIT Supply Voltage VDD 7 V Output Short-Circuit Duration (TA=25°C, PD=1W) tSC(O) 20 S Junction Temperature TJ 150 °C Operating Temperature TOPR -40 ~ +85 °C Storage Temperature TSTG -65 ~ +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. THERMAL DATA PARAMETER RATINGS UNIT DIP-8 108 Junction to Ambient (Note) θJA °C/W SOP-8 210 DIP-8 45 Junction to Case θJC °C/W SOP-8 40 Note: θJA is measured with the component mounted on a high effective thermal conductivity test board in free air. SYMBOL ELECTRICAL CHARACTERISTICS (VIN=0dBV, VCC=5V, TA=25°C, f=1kHz, RL=32Ω, unless otherwise specified.) PARAMETER SYMBOL TEST CONDITIONS Supply Voltage VDD Mute Terminal Voltage VTM Quiescent Current IQ VIN = 0VRMS Mute Current IMUTE Voltage Gain GVCL VIN=1VRMS, f =1kHz, RL=32Ω Differential Channel Voltage Gain ΔGVCL Channel Separation CS f =1 kHz Mute Attenuation ATT VIN = 1Vrms, f =1 kHz, Mute=L Ripple Rejection RR FRR =100Hz, VRR = -20dBV Output Noise Voltage VNO BW = 20~20kHz, VIN=0VRMS Total Harmonic Distortion THD BW<120 kHz Rated Output Power 1 PO1 R =32Ω THD+N=0.1%, BW＜120kHz L Rated Output Power 2 PO2 RL=16Ω UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN 3.0 0.3 -2 -0.5 -90 65 50 50 105 TYP 5.0 0.7 3.5 200 0 0 -92.5 70 60 -93 0.03 55 110 MAX UNIT 6.0 V 1.6 V 5 mA μA 2 dB 0.5 dB dB dB dB -85 dBV 0.1 % mW mW 3 of 6 QW-R502-035.C 3541 CMOS IC TEST AND APPLICATION CIRCUIT 10µ F VINB 220μF 1μF BIAS IN2 5 VDD VDD 8 OUT2 6 7 BIAS 100μF UTC 3541 0dB +B 0dB +A MUTE 4 VSS 2 3 IN1 Mute 1 OUT1 220μF 1μF 1μF VINA 100kΩ VMUTE UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw H : Speaker Action L : Mute on 4 of 6 QW-R502-035.C 3541 CMOS IC TYPICAL CHARACTERISTICS Bias DC Voltage VS. Supply Voltage Quiescent Current VS. Supply Voltage 8 5 RL=32Ω 7 6 4 5 3 4 MUTE: OFF 2 3 2 1 MUTE: ON 1 0 RL=32Ω 2 4 6 Supply Voltage, VDD(V) 0 0 8 0 Output Voltage VS. Mute Control Voltage +8 VDD=5V 0 VIN=0dBV -10 f=1kHz RL=32Ω -20 +4 +2 +0 -2 -40 -4 -50 -6 -60 -8 -70 -10 0 0.8 1.2 1.6 0.4 Mute Control Voltage, VTM(V) 2 -12 10 100 1k 10k Frequency, f(Hz) 100k 120 k Mute Attenuation VS. Frequency +0 VDD=5V -10 VIN=0dBV -20 RL=32Ω Channel Separation VS. Frequency -20 10 VDD = 5V VIN = 0 dBV +6 -30 +0 6 4 8 Supply Voltage, VDD(V) Voltage Gain VS. Frequency 10 -80 2 VDD=5V RL=32Ω -30 -40 -40 -60 -50 -60 -80 -70 -80 -100 -90 -120 10 100 1k 10k Frequency, f (Hz) 100k UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw -100 10 100 1k 10k Frequency, f (Hz) 100k 5 of 6 QW-R502-035.C 3541 CMOS IC TYPICAL CHARACTERISTICS(Cont.) Ripple Rejection, RR(dB) 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 6 of 6 QW-R502-035.C