TDA9850 Ver la hoja de datos (PDF) - Philips Electronics
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TDA9850 Datasheet PDF : 32 Pages
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Philips Semiconductors
I2C-bus controlled BTSC stereo/SAP decoder
Preliminary specification
TDA9850
Table 10 Level adjust setting
Table 12 SAP noise threshold (SAP)
GL
(dB)
+4.0
+3.5
+3.0
+2.5
+2.0
+1.5
+1.0
+0.5
0.0
−0.5
−1.0
−1.5
−2.0
−2.5
−3.0
−3.5
DATA
L3
L2
L1
L0
1
1
1
1
1
1
1
0
1
1
0
1
1
1
0
0
1
0
1
1
1
0
1
0
1
0
0
1
1
0
0
0
0
1
1
1
0
1
1
0
0
1
0
1
0
1
0
0
0
0
1
1
0
0
1
0
0
0
0
1
0
0
0
0
DATA
THRESHOLD
SP3
SP2
SP1
SP0
SAP1
0
0
0
0
SAP2
0
0
0
1
SAP3
0
0
1
0
SAP4
0
0
1
1
SAP5
0
1
0
0
SAP6
0
1
0
1
SAP7
0
1
1
0
SAP8
0
1
1
1
SAP9
1
0
0
0
SAP10
1
0
0
1
SAP11
1
0
1
0
SAP12
1
0
1
1
SAP13
1
1
0
0
SAP14
1
1
0
1
SAP15
1
1
1
0
SAP16
1
1
1
1
Table 11 Stereo noise threshold (Ster)
Table 13 ADJ bit setting
DATA
THRESHOLD
ST3
ST2
ST1
ST0
FUNCTION
Stereo decoder operation mode
DATA
0
Ster1
0
0
0
0
Auto adjustment of channel separation
1
Ster2
Ster3
Ster4
Ster5
Ster6
0
0
0
1
Table 14 STS bit setting (pilot threshold stereo on)
0
0
1
0
0
0
1
1
FUNCTION
DATA
0
1
0
0
STon ≤ 35 mV
1
0
1
0
1
STon ≤ 30 mV
0
Ster7
Ster8
0
1
1
0
0
1
1
1
Table 15 Mute setting
Ster9
Ster10
Ster11
Ster12
Ster13
Ster14
Ster15
1
0
0
0
1
0
0
1
FUNCTION
DATA
LMU
FUNCTION
DATA
SMU
1
0
1
0
Forced mute at 1 forced mute at
1
1
0
1
1
OUTR, OUTL
SAP
1
1
0
0
No forced
0 no forced mute at
0
mute at OUTR,
SAP
1
1
0
1
OUTL
1
1
1
0
Ster16
1
1
1
1
1995 Jun 19
18
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