AV2025 AVICTEK | Alldatasheet
Document overview
- Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
- PDF pages: 4
Technical content
@vic AV2025 Copyright © Avic Electronics Corp. 1 Website: http://www.avictek.com 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 BLOCK DIAGRAM PIN CONFIGURATION DIP-16 AUXBTL 2OUT 2BS 2GNDpp 2GNDp 2FB 2IN FIL VCC 1OUT 1BS 1GNDp 1GNDp 1FB 1IN GND Temp. protent Startup Circuit Off-Coupling 8 9
@vic AV2025 Copyright © Avic Electronics Corp. 2 Website: http://www.avictek.com
ORDERING INFORMATION
1 AUXBTL 9 GND
8 FIL 16 VCC
ABSOLUTE MAXIMUM RATINGS (Tamb=25°C) PARAMETER SYMBOL VALUE UNIT Supply Vcc 15 V Output Peak Current Iop 1.5 A JunctionTemperature Tj 150°C °C Storage Temperature Ts -40°C ~+150°C °C
ELECTRICAL CHARACTERISTICS
(TA=+25℃,Vcc=9V,f=1KHz,RL=8Ω,unless otherwise specified). PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Supply Voltage Vcc 3 - 12 V Quiescent Current Icc Vi=0,Stereo - 40 50 mA Quiescent Output Voltage Vo(DC) 4.0 4.5 5.0 V Stereo 43 45 47 Closed Loop Voltage Gain Av Bridge Vi=-45dBm 49 51 53 dB Channel Balance CB Stereo -1 0 +1 dB Stereo - 0.3 1.5 Toltal Harmonic Distortion THD Bridge Po=250mW,f=1kHz, RL=4Ω,Vcc=9V - 0.5 -
@vic AV2025 Copyright © Avic Electronics Corp. 3 Website: http://www.avictek.com APPLICATION CIRCUIT ( 1.STEREO ) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Input Resistance Zi 30 KΩ 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 Input Noise Voltage VNI BW:20Hz- 20kHz,Av=200 Rg=10KΩ - 3 6 uV 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 - Stereo Vcc=3V,RL=4Ω - 0.1 - Vcc=9V,RL=8Ω - 4.7 - Output Power Po THD= 10%,f= 1kHz Bridge Vcc=6V,RL=4Ω - 2.8 - W AV2025
@vic AV2025 Copyright © Avic Electronics Corp. 4 Website: http://www.avictek.com ( 2.BRIDGE) TYPICAL PERFORMANCE CHARACTERISTICS AV2025 Distortion Versus Output Power Distortion Versus Output Power Distortion and Output Frequency Stereo Output Power and Supply Voltage 10 1 d(%) 1.2 P0(W) Vcc=6V RL=40Ω 0.1 d(%) Vcc=6V RL=8Ω P0(W) d(%) 0.1 10 100 1K 10K 100K F(Hz) Vcc=9V RL=9Ω P0=15 W 0 4 8 12 Vcc(V) f=1KHz d=10% RL=4Ω P0(W)