TDA7405_04 Datasheet, PDF (52/57 Pages) STMicroelectronics – EQUALIZER CARRADIO SIGNAL PROCESSOR

TDA7405
Table 33. High-Cut (26)
MSB
LSB
D₇
D₆
D₅
D₄
D₃
D₂
D₁
D₀
FUNCTION
High-Cut
0 off
1 on
0
0
0
1
1
0
1
1
max. High-Cut
2dB
5dB
7dB
10dB
0
0
0
1
1
0
1
1
VHCH to be at
42% REF5V
50% REF5V
58% REF5V
66% REF5V
0
0
0
1
1
0
1
1
VHCL to be at
16.7% VHCH
22.2% VHCH
27.8% VHCH
33.3% VHCH
Deemphasis Shift
0
On
1
Off
Table 34. Fieldstrength Control (27)
MSB
LSB
D₇
D₆
D₅
D₄
D₃
D₂
D₁
D₀
FUNCTION
0
0
0
0
0
0
0
0
1
0
0
1
0
1
0
0
1
0
0
1
1
0
1
1
1
0
0
1
0
0
1
0
1
1
0
1
1
1
0
1
1
0
1
1
1
1
1
1
VSBL to be at
0 20.0% REF5V
1 23.3% REF5V
0 26.6% REF5V
1 30.0% REF5V
0 33.3% REF5V
1 36.6% REF5V
0 40.0% REF5V
1 43.3% REF5V
0 46.6% REF5V
1 50.0% REF5V
0 53.3% REF5V
1 56.6% REF5V
0 60.0% REF5V
1 63.3% REF5V
0 66.6% REF5V
1 70.0% REF5V
0
0
0
1
1
0
1
1
Quality Detector Coefficient
a=0.7
a=0.85
a=1.0
a=1.15
0
0
0
1
1
0
1
1
HCC-Level-Shift (only Level through MPD)
0.0V
500mV
1.0 V
1.5 V
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