TDA7402 Datasheet, PDF (35/59 Pages) STMicroelectronics – CARRADIO SIGNAL PROCESSOR

Figure 28. Internal stereoblend characteristics
TDA7402
The gain can be programmed through 4 bits in the ”Stereodecoder-Adjustment”-byte. All necessary internal ref-
erence voltages like REF5V are derived from a bandgap circuit. Therefore they have a temperature coefficient
near zero.
Figure 29. Relation between internal and external LEVEL-voltages for setup of Stereoblend
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3.9 Highcut Control
The highcut control set-up is similar to the stereoblend control set-up : the starting point VHCH can be set with
2 bits to be 42, 50, 58 or 66% of REF5V whereas the range can be set to be 17, 22, 28 or 33% of VHCH (see
fig. 30).
Figure 30. Highcut characteristics
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