@vic AV2025 STEREO AUDIO AMPLIFIER DESCRIPTION The AV2025 is a monolithic integrated circuit consisting of a 2 channel power amplifier. It is suitable for stereo and bridge amplifier application of radio cassette tape recorders. FEATURES Bridge or stereo configuration. Few External components High Channel isolation Voltage range : 3V to 12V Power on/off no noise Voltage gain up to 45dB(Adjustable with external resistor) Soft clipping Internal Thermal protection Working Voltage down to 3V DIP-16 BLOCK DIAGRAM Temp. protent Startup Circuit Off-Coupling PIN CONFIGURATION AUXBTL 1 16 VCC 2OUT 2 15 1OUT 2BS 3 14 1BS 2GNDpp 4 13 1GNDp 2GNDp 5 12 1GNDp 2FB 6 11 1FB 2IN 7 10 1IN FIL 8 9 Copyright © Avic Electronics Corp. 1 GND Website: http://www.avictek.com @vic AV2025 ORDERING INFORMATION PIN SYMBOL PIN SYMBOL 1 AUXBTL 9 GND 2 2OUT 10 1IN 3 2BS 11 1FB 4 2GNDp 12 1GNDp 5 2GNDp 13 1GNDp 6 2FB 14 1BS 7 2IN 15 1OUT 8 FIL 16 VCC ABSOLUTE MAXIMUM RATINGS (Tamb=25°C) PARAMETER SYMBOL VALUE UNIT Supply Vcc 15 V Iop 1.5 A JunctionTemperature Tj 150°C °C Storage Temperature Ts -40°C ~+150°C °C Output Peak Current ELECTRICAL CHARACTERISTICS (TA=+25℃,Vcc=9V,f=1KHz,RL=8Ω,unless otherwise specified). PARAMETER Supply Voltage SYMBOL Vcc Quiescent Current Icc Quiescent Output Voltage Vo(DC) Closed Loop Voltage Gain Av Channel Balance Toltal Harmonic Distortion TEST CONDITIONS Vi=0,Stereo Stereo CB MIN TYP MAX UNIT 3 - 12 V - 40 50 mA 4.0 4.5 5.0 V 43 45 47 Vi=-45dBm dB Bridge 49 51 53 Stereo -1 0 +1 - 0.3 1.5 Stereo THD Bridge Copyright © Avic Electronics Corp. Po=250mW,f=1kHz, RL=4Ω,Vcc=9V 2 dB % - 0.5 - Website: http://www.avictek.com @vic AV2025 PARAMETER SYMBOL Input Resistance Zi Channel Separation CSR Rg=10KΩ,f=1kHz, RL=4Ω,Po=1W 40 55 - dB Ripple Rejection Srip Rg=0,frip=100Hz, Vrip=150mV,Av=45dB 40 46 - dB Rg=0Ω - 1.5 3 Rg=10KΩ - 3 6 Vcc=9V,RL=4Ω 1.7 2.3 - Vcc=6V,RL=8Ω - 1.3 - Vcc=6V,RL=4Ω 0.7 1.0 - Vcc=6V,RL=8Ω - 0.6 - Vcc=3V,RL=4Ω - 0.1 - Vcc=9V,RL=8Ω - 4.7 - Vcc=6V,RL=4Ω - 2.8 - Input Noise Voltage VNI TEST CONDITIONS Po TYP MAX BW:20Hz20kHz,Av=200 UNIT KΩ 30 uV Stereo Output Power MIN THD= 10%,f= 1kHz W Bridge APPLICATION CIRCUIT AV2025 ( 1.STEREO ) Copyright © Avic Electronics Corp. 3 Website: http://www.avictek.com @vic AV2025 AV2025 ( 2.BRIDGE) TYPICAL PERFORMANCE CHARACTERISTICS Distortion Versus Output Power d(%) 10 Distortion Versus Output Power d(%) 1 Vcc=6V RL=8Ω Vcc=6V RL=40Ω 0.1 1 0 0.2 0.4 0.6 0.8 1.0 1.2 P0(W) 0 0.2 0.4 0.6 0.8 1.0 1.2 P0(W) Stereo Output Power and Supply Voltage Distortion and Output Frequency 8 10 d(%) P0(W) 6 Vcc=9V RL=9Ω P0=1 5W 1 f=1KHz d=10% RL=4Ω 4 2 0.1 0 10 100 1K 10K Copyright © Avic Electronics Corp. 100K F(Hz) 4 0 4 8 12 Vcc(V) Website: http://www.avictek.com