TDA7313D ,DIGITAL CONTROLLED STEREO AUDIO PROCESSOR WITH LOUDNESSTDA7313®DIGITAL CONTROLLED STEREO AUDIO PROCESSORWITH LOUDNESSINPUT MULTIPLEXER:- 3 STEREO INPUTS- ..
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THCV213 , LVDS SerDes transmitter and receiver
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THCV216 , THCV216 is designed to support video data transmission between the host and display.
THCV218 , THCV218 is designed to support video data transmission between the host and display.
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TDA7313-TDA7313D
DIGITAL CONTROLLED STEREO AUDIO PROCESSOR WITH LOUDNESS
TDA7313DIGITAL CONTROLLED STEREO AUDIO PROCESSOR
WITH LOUDNESS
INPUT MULTIPLEXER:
- 3 STEREO INPUTS
- SELECTABLE INPUT GAIN FOR OPTIMAL ADAPTION TO DIFFERENT SOURCES
INPUT AND OUTPUT FOR EXTERNAL
EQUALIZER OR NOISE REDUCTION SYS-
TEM
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 SE-
RIAL I2 C BUS
DESCRIPTIONThe TDA7313 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 setting is obtained by resistor networks
and switches combined with operational amplifiers.
Thanks to the used BIPOLAR/CMOS Tecnology,
Low Distortion, Low Noise and Low DC stepping are
obtained.
PIN CONNECTION (Top view)
THERMAL DATA
QUICK REFERENCE DATA
ABSOLUTE MAXIMUM RATINGS
TEST CIRCUIT
TDA7313
BLOCK DIAGRAM
TDA73133/14
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 specified)
SUPPLY
INPUT SELECTORS
VOLUME CONTROL
SPEAKER ATTENUATORS
BASS CONTROL (1)
TREBLE CONTROL (1)
TDA7313
ELECTRICAL CHARACTERISTICS (continued)AUDIO OUTPUTS
GENERAL
BUS INPUTS
Notes:(1) Bass and Treble response see attached diagram (fig.16). 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.
Figure 2: Loudness vs. Frequency (CLOUD =100nF) vs. Volume Attenuation
Figure 1: Loudness vs. Volume Attenuation
TDA73135/14
