TDA7463AD ,LOW VOLTAGE TONE CONTROL DIGITALLY CONTROLLED AUDIO PROCESSORBlock DiagramR55.6KC14 3.3nF 100nF 100nFC13 C12TREBLE-R BASSI-R BASSO-R17 16 15C1 0.47µFRB18IN2-RIN ..
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TDA7463AD
LOW VOLTAGE TONE CONTROL DIGITALLY CONTROLLED AUDIO PROCESSOR
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TDA7463ADJune 2004
1FEATURES 2 STEREO INPUT 1 STEREO OUTPUT TREBLE BOOST BASS CONTROL BASS AUTOMATIC LEVEL CONTROL VOLUME CONTROL IN 1dB STEPS MUTE STAND-BY FUNCTION SOFTWARE
CONTROLLED ALL FUNCTION ARE PROGRAMMABLE VIA
SERIAL BUS
2DESCRIPTIONThe TDA7463AD is a volume tone (bass and tre-
ble) processor for quality audio applications in Low
voltage supply portable systems.
Bass ALC (Automatic Level Control) function can
be adjusted by a dedicated pin.
The control of all the functions is accomplished by
serial bus.
The AC signal setting is obtained by resistor net-
works and switches combined with operational
amplifiers.
Thanks to the used BIPOLAR/CMOS Technology,
Low Distortion, Low Noise and DC stepping are
obtained.
LOW VOLTAGE TONE CONTROL
DIGITALLY CONTROLLED AUDIO PROCESSOR
Figure 2. Block DiagramREV. 3
TDA7463AD
Table 2. Absolute Maximum Ratings
Figure 3. Pin Connection (Top view)
Table 3. Thermal Data
Table 4. Quick Reference Data
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TDA7463AD
Table 5. ELECTRICAL CHARACTERISTCS(refer to the test circuit Tamb = 25°C, VS =2.4V, RL = 10KΩ, RG = 600Ω, all controls flat, unless otherwise
specified)
Note:1. BASS and TREBLE response: The center frequency and the response quality can be chosen by the external circuitry.
TDA7463AD DATA BYTESAddress = (HEX) 10001000
3.1 FUNCTION SELECTION:The first byte (subaddress)
B = 1 incremental bus; active
B = 0 no incremental bus;
X = indifferent 0,1
3.1.1 STAND_BY & TREBLE & OTHERS
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TDA7463AD
3.1.2 BASS
3.1.3 VOLUMEVOLUME: 0 ~ -63dB
TDA7463AD
3.2 ALC IN general:
3.2.1 VOLUME setting with ALC
