TEA0679 NXP Semiconductors, TEA0679 Datasheet - Page 31

• 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
330 nF
330 nF
Fig.38 Test circuit for power supply ripple rejection.
270 k
270 k
RISE TIME
DELAY
LATCH
TIME
AND
DOLBY B
DOLBY B
180 k
CONTRB
25
8
CONTRA
180 k
100 nF
100 nF
DETECTOR
PROCESSOR
LEVEL
HPB
24
9
HPA
15 nF
AMS
15 nF
SCB
23
10
SCA
4.7 nF
4.7 nF
BLANK
SKIP
24 k
24 k
LOGIC
EQB
22
11
EQA
20 k
20 k
10 F
10 k
AMP
AMP
EQ
EQ
EQFB
21
12
EQFA
10 k
10 F
100
nF
0.25 V (RMS)
AGND
20
13
V CC = 10 V
1 kHz
SUPPLY
POWER
1000
10 k
F
AMP
AMP
PRE
PRE
INB1
INA1
19
14
(opt)
HS
TEA0679T
HS
18
15
V ref
100
F
INB2
17
16
INA2
MHB153