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TDA9850 Datasheet(PDF) 18 Page - NXP Semiconductors

Part # TDA9850
Description  I2C-bus controlled BTSC stereo/SAP decoder
PDF  32 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

TDA9850 Datasheet(HTML) 18 Page - NXP Semiconductors

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1995 Jun 19
18
Philips Semiconductors
Preliminary specification
I2C-bus controlled BTSC stereo/SAP decoder
TDA9850
Table 10 Level adjust setting
Table 11 Stereo noise threshold (Ster)
GL
(dB)
DATA
L3
L2
L1
L0
+4.0
1111
+3.5
1110
+3.0
1101
+2.5
1100
+2.0
1011
+1.5
1010
+1.0
1001
+0.5
1000
0.0
0111
−0.5
0110
−1.0
0101
−1.5
0100
−2.0
0011
−2.5
0010
−3.0
0001
−3.5
0000
THRESHOLD
DATA
ST3
ST2
ST1
ST0
Ster1
0000
Ster2
0001
Ster3
0010
Ster4
0011
Ster5
0100
Ster6
0101
Ster7
0110
Ster8
0111
Ster9
1000
Ster10
1001
Ster11
1010
Ster12
1011
Ster13
1100
Ster14
1101
Ster15
1110
Ster16
1111
Table 12 SAP noise threshold (SAP)
Table 13 ADJ bit setting
Table 14 STS bit setting (pilot threshold stereo on)
Table 15 Mute setting
THRESHOLD
DATA
SP3
SP2
SP1
SP0
SAP1
0000
SAP2
0001
SAP3
0010
SAP4
0011
SAP5
0100
SAP6
0101
SAP7
0110
SAP8
0111
SAP9
1000
SAP10
1001
SAP11
1010
SAP12
1011
SAP13
1100
SAP14
1101
SAP15
1110
SAP16
1111
FUNCTION
DATA
Stereo decoder operation mode
0
Auto adjustment of channel separation
1
FUNCTION
DATA
STon ≤ 35 mV
1
STon ≤ 30 mV
0
FUNCTION
DATA
LMU
FUNCTION
DATA
SMU
Forced mute at
OUTR, OUTL
1
forced mute at
SAP
1
No forced
mute at OUTR,
OUTL
0
no forced mute at
SAP
0



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