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參數(shù)資料
| 型號： | TDA7336 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | STEREO PREAMP+ AMS+ DOLBY B* NOISE REDUCTION PROCESSOR |
| 中文描述： | 立體聲前置放大器醫(yī)療輔助隊(duì)杜比B *降噪處理器 |
| 文件頁數(shù)： | 7/20頁 |
| 文件大?。?/td> | 394K |
| 代理商： | TDA7336 |
ELECTRICALCHARACTERISTICS
(continued)
DOLBY SECTION
Symbol
B DEC 2
B DEC 3
B DEC 4
B DEC 5
NR
l
NR
h
GENERAL (PREAMPLIFIER + DOLBY)
Parameter
Test Condition
f = 500Hz; V
I
= -22.1dB
f = 2KHz;V
I
= -18dB
f = 5KHz;V
I
= -29.7dB
f = 10KHz;V
I
= -29.6dB
DOLBY
ON
ON
ON
ON
Min.
-26.5
-26.5
-41.5
-41.5
0
2
Typ.
-25
-25
-40
-40
Max.
-23.5
-23.5
-38.5
-38.5
0.8
V
S
Unit
dB
dB
dB
dB
V
V
Decode Out
Decode Out
Decode Out
Decode Out
DolbyON LowLevel Pin19
Dolby OFF High Level Pin19
Symbol
THD
Parameter
Test Condition
V
O
= 0dB; f = 1KHz Dolby OFF
V
O
= 0dB; f = 1KHz Dolby ON
V
O
= 0dB; f = 10KHz Dolby OFF
V
O
= 0dB; f = 10KHz Dolby ON
R
g
= 600
; V
O
= 0dB;
Unweighted; Dolby OFF
R
g
= 600
; V
O
= 0dB;
Unweighted; Dolby ON
R
g
=600
;V
O
= 0dB;
CCIR/ARM; Dolby OFF
R
g
=600
;V
O
= 0dB;
CCIR/ARM; Dolby ON
R
g
= 600
; f = 1KHz Dolby OFF
R
g
= 600
; f = 1KHz Dolby ON
R
g
= 600
; f = 1KHz Dolby OFF
R
g
= 600
; f = 1KHz Dolby ON
Min.
Typ.
0.02
0.05
0.03
0.08
63
Max.
0.1
0.1
Unit
%
%
%
%
dB
Total Harmonic Dist.
S/N
Signal to Noise Ratio
70
dB
54
63
dB
56
72
dB
C
S
Channel Separation
50
64
70
70
75
dB
dB
dB
dB
C
T
Channel Cross Talk
56
AMS Gin
RB
0.22
μ
F
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
V
Q2
Q
FF1
R
S
Q
0.1
μ
F
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:
AudioMusic Sensor
TDA7336
7/20
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