TDA9852 datasheet(26/40 Pages) PHILIPS

26 / 40 page

1997 Mar 11

Philips Semiconductors

Preliminary speciﬁcation

I2C-bus controlled BTSC stereo/SAP

decoder and audio processor

TDA9852

Table 15 AVL attack time

Table 16 ADJ bit setting

Table 17 AVLON bit setting

Table 18 CCD bit setting

Table 19 STS bit setting (pilot threshold stereo on)

Table 20 Timing current setting

FUNCTION

DATA

AT1

AT2

Ratt = 420 Ω

Ratt = 730 Ω

Ratt = 1200 Ω

Ratt = 2100 Ω

FUNCTION

DATA

Stereo decoder operation mode

Auto adjustment of channel separation

FUNCTION

DATA

Automatic volume control off

Automatic volume control on

FUNCTION

DATA

Load current for normal AVL decay time

Increased load current

FUNCTION

DATA

STon ≤ 35 mV

STon ≤ 30 mV

FUNCTION

IS RANGE

DATA

TC2

TC1

TC0

+30%

+20%

+10%

Nominal

−10%

−20%

−30%

Table 21 Level adjust setting

(dB)

DATA

+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

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