3541

UNISONIC TECHNOLOGIES CO., 3541 CLASS AB STEREO HEADPHONE DRIVER WITH MUTE DESCRIPTION The UTC 3541 is a class AB stereo headphone driver with Mute feature. DIP-8 CMOS IC 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 Lead-free: 3541L Halogen-free:3541G ■ ORDERING INFORMATION Normal 3541-D08-T 3541-S08-R Ordering Number Lead Free Plating 3541L-D08-T 3541L-S08-R Halogen Free 3541G-D08-T 3541G-S08-R Package DIP-8 SOP-8 Packing Tube Tape Reel www.unisonic.com.tw Copyright © 2009 Unisonic Technologies Co., 1 of 6 QW-R502-035.B 3541 BLOCK DIAGRAM CMOS IC 0dB + PIN DESCRIPTION PIN NO. 1 2 3 4 5 6 7 8 PIN NAME OUT 1 Mute IN 1 VSS IN 2 BIAS OUT 2 VDD I/O O I I I I O 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 A B 2 of 6 QW-R502-035.B 3541 ABSOLUTE MAXIMUM RATINGS CMOS IC 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 CHARACTERISTICS 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. PARAMETER 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