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TDA7314

ST Microelectronics
Part Number TDA7314
Manufacturer ST Microelectronics
Description DIGITAL CONTROLLED AUDIO PROCESSOR
Published Apr 23, 2005
Detailed Description ® TDA7314 DIGITAL CONTROLLED AUDIO PROCESSOR WITH LOUDNESS 1 STEREO INPUT SELECTABLE INPUT GAIN FOR OPTIMAL ADAPTION T...
Datasheet PDF File TDA7314 PDF File

TDA7314
TDA7314

Overview
® TDA7314 DIGITAL CONTROLLED AUDIO PROCESSOR WITH LOUDNESS 1 STEREO INPUT SELECTABLE INPUT GAIN FOR OPTIMAL ADAPTION TO DIFFERENT SOURCES INPUT AND OUTPUT FOR EXTERNAL EQUALIZER OR NOISE REDUCTION SYSTEM LOUDNESS FUNCTION VOLUME CONTROL IN 1.
25dB STEPS TREBLE AND BASS CONTROL FOUR SPEAKER ATTENUATORS: - 4 INDEPENDENT SPEAKERS CONTROL IN 1.
25dB STEPS FOR BALANCE AND FADER FACILITIES - INDEPENDENT MUTE FUNCTION ALL FUNCTIONS PROGRAMMABLE VIA SERIAL BUS DESCRIPTION The TDA7314 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.
PIN CONNECTION (Top view) SDIP24 ORDERING NUMBER: TDA7314 Selectable input gain and internal loudness function are provided.
Control is accomplished by serial bus microprocessor interface.
The AC signal setting is obtained by resistor networks andswitches combined with operationalamplifiers.
Thanks to the used BIPOLAR/CMOS Tecnology, Low Distortion, Low Noise and DC stepping are obtained.
November 1999 1/12 TDA7314 TEST CIRCUIT THERMAL DATA Symbol R th j-pins Description Thermal Resistance Junction-pins Ma x.
Value 65 Unit °C/W ABSOLUTE MAXIMUM RATINGS Symbol VS T amb Tstg Operating Supply Voltage Operating Ambient Temperature Storage Temperature Range Parameter Value 10.
2 -40 to 85 -55 to +150 Unit V °C °C QUICK REFERENCE DATA Symbol VS VCL THD S/N SC Supply Voltage Max.
input signal handling Total Harmonic Distortion V = 1Vrms f = 1KHz Signal to Noise Ratio Channel Separation f = 1KHz Volume Control 1.
25dB step 2db step 1.
25dB step -78.
75 -14 -38.
75 0 100 Bass and Treble Control Input Gain 6.
25dB step Parameter Min.
6 2 0.
01 106 103 0 +14 0 18.
75 0.
1 Typ.
9 Max.
10 Unit V Vrms % dB dB dB dB dB dB dB Fader and Balance Control Mute Attenuation 2/12 TDA7314 BLOCK DIAGRAM 3/12 TDA7314 ELECTRICAL CHARACTERISTICS (refer to the test circuit Tamb = 25°C, VS = 9V, RL = 10KΩ, RG = 600Ω, all controls flat (G = 0), f = 1KHz unless otherwise s...


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