TDA7402 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'TDA7402' PDF : 69 Pages View PDF
TDA7402
I2C bus interface
Table 29. Stereo decoder (22) (continued)
MSB
LSB
D7 D6 D5 D4 D3 D2 D1 D0
Function
0
Forced MONO
1
MONO/STEREO switch automatically
0
Pilot threshold HIGH
1
Pilot threshold LOW
00
De-emphasis 50µs (37.5µs(1))
01
De-emphasis 62.5µs (46.9µs(1))
10
11
De-emphasis 75µs (56.3µs(1))
De-emphasis 100µs (75µs(1))
t(s) 1. If De-emphasis-Shift enabled (Subaddr.26/Bit7 = 0)
c Table 30. Noise blanker I (23)
du MSB
LSB
Pro D7 D6 D5 D4 D3 D2 D1 D0
Function
te 0 Noise blanker off
le 1 Noise blanker on
o 0 0 0
bs 0 0 1
O 0 1 0
- 0 1 1
) 1 0 0
t(s1 0 1
c1 1 0
u1 1 1
Low threshold 65mV
Low threshold 60mV
Low threshold 55mV
Low threshold 50mV
Low threshold 45mV
Low threshold 40mV
Low threshold 35mV
Low threshold 30mV
rod0 0
P0 1
te 1 0
11
Noise controlled threshold 320mV
Noise controlled threshold 260mV
Noise controlled threshold 200mV
Noise controlled threshold 140mV
ole 0 0
s 01
Ob 1 0
Overdeviation adjust 2.8V
Overdeviation adjust 2.0V
Overdeviation adjust 1.2V
11
Overdeviation detector OFF
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