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TDA7336 датащи(PDF) 7 Page - STMicroelectronics

номер детали TDA7336
подробное описание детали  STEREO PREAMP AMS DOLBY B* NOISE REDUCTION PROCESSOR
PDF  20 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7336 датащи(HTML) 7 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS (continued)
DOLBY SECTION
Symbol
Parameter
Test Condition
DOLBY
Min.
Typ.
Max.
Unit
B DEC 2
Decode Out
f = 500Hz; VI = -22.1dB
ON
-26.5
-25
-23.5
dB
B DEC 3
Decode Out
f = 2KHz; VI = -18dB
ON
-26.5
-25
-23.5
dB
B DEC 4
Decode Out
f = 5KHz; VI = -29.7dB
ON
-41.5
-40
-38.5
dB
B DEC 5
Decode Out
f = 10KHz; VI = -29.6dB
ON
-41.5
-40
-38.5
dB
NRl
Dolby ON Low Level Pin 19
0
0.8
V
NRh
Dolby OFF High Level Pin 19
2
VS
V
GENERAL (PREAMPLIFIER + DOLBY)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
THD
Total Harmonic Dist.
VO = 0dB; f = 1KHz Dolby OFF
0.02
0.1
%
VO = 0dB; f = 1KHz Dolby ON
0.05
0.1
%
VO = 0dB; f = 10KHz Dolby OFF
0.03
%
VO = 0dB; f = 10KHz Dolby ON
0.08
%
S/N
Signal to Noise Ratio
Rg = 600
Ω;VO = 0dB;
Unweighted; Dolby OFF
63
dB
Rg = 600
Ω;VO = 0dB;
Unweighted; Dolby ON
70
dB
Rg =600
Ω;VO = 0dB;
CCIR/ARM; Dolby OFF
54
63
dB
Rg =600
Ω;VO = 0dB;
CCIR/ARM; Dolby ON
56
72
dB
CS
Channel Separation
Rg = 600
Ω; f = 1KHz Dolby OFF
50
64
dB
Rg = 600
Ω; f = 1KHz Dolby ON
70
dB
CT
Channel Cross Talk
Rg = 600
Ω; f = 1KHz Dolby OFF
56
70
dB
Rg = 600
Ω; f = 1KHz Dolby ON
75
dB
AMS Gin
RB
0.22
µF
C8
IN-L
20
1K
100K
Rp20
R9
+
Vs
6
23
IN-R
LIMITER
AMPLIFIER
Vth0
-
+
SIGNAL DETECT.
COMPARATOR
Vs
POWER-ON
RESET
AMS th
NOR1
Q1
Vth1
-
+
21
AMS OUT
Q
FF2
S
R
COMP1
COMP2
Q2
Q
FF1
R
S
Q
0.1
µF
C7
R7
500K
PROGRAM
DETECTION TIME
T2
T1
C15
C9
R9
SPACE
DETECTION
TIME
Vs
INTS
AMS SW
INTP
22
8
D93AU051A
9
7
Figure 2: Audio Music Sensor
TDA7336
7/20



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