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SC7312

Silan Microelectronics
Part Number SC7312
Manufacturer Silan Microelectronics
Description 4CH OUTPUT STEREO AUDIO PROCESSOR
Published Feb 7, 2010
Detailed Description SC7312 4-CH OUTPUT STEREO AUDIO PROCESSOR WITH 4 STEREO INPUTS AND TONE/VOLUME CONTROL DESCRIPTION The SC7312 is a volum...
Datasheet PDF File SC7312 PDF File

SC7312
SC7312

Overview
SC7312 4-CH OUTPUT STEREO AUDIO PROCESSOR WITH 4 STEREO INPUTS AND TONE/VOLUME CONTROL DESCRIPTION The SC7312 is a volume, tone (bass and treble), balance (left/ right) and fader(front/rear) processor for quality audio applications in car radio and Hi-Fi systems.
Selectable input gain and external loudness function are provided.
Control is accomplished by serial I2C bus microprocessor interface.
The AC signal settings is obtained by resistor networks and switches combined with operational amplifiers.
Due to the Used CMOS technology, low distortion, low noise and low DC stepping are obtained.
SOP-32-375-1.
27 FEATURES * Input multiplexer: --4 stereo inputs --Selectable input gain for optimal adaptation to different sources * Four speaker attenuators: --4 independent speakers control in 1.
25dB steps for balance and fader facilities --Independent mute function * All functions programmable via serial I 2C Bus * Loudness function * Volume control in 1.
25dB steps * Treble and bass control * Input and output for external equalizer or noise reduction system ORDERING INFORMATION Device SC7312S Package SOP-32-375-1.
27 BLOCK DIAGRAM www.
DataSheet4U.
com HANGZHOU SILAN MICROELECTRONICS CO.
,LTD Http: www.
silan.
com.
cn REV:1.
2 2004.
08.
03 Page 1 of 13 SC7312 ABSOLUTE MAXIMUM RATINGS Characteristics Supply Voltages Operating Temperature Storage Temperature Symbol VS Tamb Tstg Ratings 10.
2 -40 ~ +85 -55 ~ +150 Unit V °C °C QUICK REFERENCE DATA Characteristics Supply Voltage Maximum Input Signal Handling Total Harmonic Distortion ,V=1Vrms, f=1kHz Signal to Noise Ratio Channel Separation, f=1kHz Volume Control, 1.
25dB step Bass and Treble Control, 2dB step Fader and Balance Control, 1.
25dB step Input Gain, 3.
75dB Step Mute Attenuation 0 100 11.
25 dB dB S/N Sc -78.
75 -14 -38.
75 106 103 0 +14 0 dB dB dB dB dB Symbol Vs VCL THD Min.
6 2 0.
01 0.
1 Typ.
9 Max.
10 Unit V Vrms % ELECTRICAL CHARACTERISTICS (Refer to the test circuit) (Tamb=25°C, VS=9.
0V, RL=10kΩ, RG=600Ω, all controls f...


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