TEA0679 NXP Semiconductors, TEA0679 Datasheet - Page 3

• Manufacturer Part Number: TEA0679
• Description: I2c-bus Controlled dual Dolby* B-type Noise Reduction Circuit for Playback Applications
• Manufacturer: NXP Semiconductors

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BEN
32
1
MAD
SDA
31
2
BSC
220 nF
I
2
C-BUS
SCL
30
3
TD
R t
(ref)
output B
output A
DGND AMS
29
4
BTC
47 nF
EQS
(opt)
10 F
10 F
28
5
EQS
OUTB
27
6
OUTA
MUTE
INTB
26
7
INTA
( 10%)
330 nF
( 10%)
330 nF
270 k
( 10%)
270 k
( 10%)
RISE TIME
LATCH
DELAY
TIME
AND
DOLBY B
DOLBY B
Fig.1 Block and application diagram.
180 k
( 10%)
CONTRB
25
8
CONTRA
180 k
( 10%)
( 10%)
100 nF
( 10%)
100 nF
DETECTOR
PROCESSOR
LEVEL
HPB
24
9
HPA
AMS
15 nF
( 5%)
15 nF
( 5%)
SCB
23
10
SCA
4.7 nF
4.7 nF
( 5%)
( 5%)
BLANK
SKIP
24 k
( 2%)
24 k
( 2%)
LOGIC
EQB
22
11
EQA
390 k
390 k
5.6
k
8.2
nF
5.6
k
8.2
nF
AMP
AMP
EQ
EQ
EQFB
21
12
EQFA
2.7 k
2.7 k
AGND
20
13
V CC
10 F
10 F
SUPPLY
POWER
PRE
AMP
PRE
AMP
470
INB1
INA1
470
pF
pF
19
14
(opt)
HS
TEA0679T
HS
18
15
V ref
470
470
pF
100
pF
F
INB2
17
16
INA2
MHB117