tda9870ah NXP Semiconductors, tda9870ah Datasheet - Page 44
tda9870ah
Manufacturer Part Number
tda9870ah
Description
Digital Tv Sound Processor Dtvsp
Manufacturer
NXP Semiconductors
Datasheet
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Philips Semiconductors
10.3.16 DAC
This register is used to define both the signal source to be entered into the DAC and the mode of the digital matrix for
signal selection. The DAC is used for signal output from digital sources at analog outputs.
The bits DACGAIN1 and DACGAIN2 can introduce some extra gain at the input to the DAC. DACGAIN1 adds 3 dB and
DACGAIN2 adds 6 dB of gain, respectively.
Table 32 Subaddress 19 (note 1)
Note
1. The default setting at power-up is 00000000.
Table 33 Extra gain setting
1999 Dec 20
Digital TV Sound Processor (DTVSP)
7 (MSB)
0 (LSB)
BIT
B7
6
5
4
3
2
1
0
0
1
1
OUTPUT SELECT REGISTER
DACGAIN2
DACGAIN1
NAME
B6
B5
B4
B2
B1
B0
B3
0
1
0
1
VALUE
extra gain setting (see Table 33)
DAC output selection (see Table 34)
extra gain setting (see Table 33)
signal source selection (see Table 35)
44
GAIN (dB)
DESCRIPTION
0
3
6
9
Product specification
TDA9870A
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