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TDA7310STN/a1152avaiSERIAL BUS CONTROLLED AUDIO PROCESSOR


TDA7310 ,SERIAL BUS CONTROLLED AUDIO PROCESSORELECTRICAL CHARACTERISTICS (Tamb = 25°C, VS = 9V, RL = 10K , RG = 600 , GV=0dB, f = 1KHzunless oth ..
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TDA7310
SERIAL BUS CONTROLLED AUDIO PROCESSOR
TDA7310
SERIAL BUS CONTROLLED AUDIO PROCESSOR
INPUT MULTIPLEXER:
- 4 STEREO INPUTS
- ONE DIFFERENTIAL STEREO INPUT FOR
REMOTE SOURCES
SELECTABLE INPUT GAIN FOR OPTIMAL
ADAPTION TO DIFFERENT SOURCES
INPUT AND OUTPUT FOR EXTERNAL
EQUALIZER OR NOISE REDUCTION SYS-
TEM
VOLUME CONTROL IN 1.25dB STEPS
LOUDNESS FUNCTION
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 SE-
RIAL BUS
SELECTABLE CHIP ADDRESS DEDICATED
PIN
DESCRIPTION

The TDA7310 is a volume, tone (bass and treble)
and fader (front/rear) processor for high quality audio
applications in car radio and Hi-Fi systems.
Loudness and selectable input gain are provided.
The control of all fuctions is accomplished by serial
bus microprocessor interface.
The AC signal setting is obtained by resistor networks
and switches combined with operational amplifiers.
Thanks to the used BIPOLAR/CMOS Tecnology,
Low Distortion, Low Noise and DC stepping are ob-
tained.
PIN CONNECTION (Top view)
THERMAL DATA
QUICK REFERENCE DATA
ABSOLUTE MAXIMUM RATINGS
TEST CIRCUIT
TDA7310
BLOCK DIAGRAM
TDA7310

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ELECTRICAL CHARACTERISTICS (Tamb = 25°C, VS = 9V, RL = 10KΩ, RG = 600Ω, GV=0dB, f = 1KHz
unless otherwise specified) (refer to the test circuit)
SUPPLY
INPUT SELECTORS
VOLUME CONTROL
SPEAKER ATTENUATORS
BASS CONTROL (1)
TDA7310
ELECTRICAL CHARACTERISTICS (continued)
TREBLE CONTROL (1)
AUDIO OUTPUTS
GENERAL
BUS INPUTS
LOUDNESS SWITCH
Loudness OFF = pin38 Open; Loudness ON = pin 38 Closed to GND
ADDRESS PIN (Internal 50KΩ pull down resistor)
Notes:

(1) Bass and Treble response see attached diagram (fig.17). The center frequency and quality of the resonance behaviour can be choosen by
the external circuitry. A standard first order bass response can be realized by a standard feedback network
(2) The selected input is grounded thru the 2.2μF capacitor.
TDA7310

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