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參數(shù)資料
| 型號： | TEA7533 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Monitor Amplifier(監(jiān)控放大器) |
| 中文描述： | 監(jiān)視器放大器（監(jiān)控放大器） |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 74K |
| 代理商： | TEA7533 |
ELECTRICAL CHARACTERISTICS
(Continued)
Symbol
ANTILARSEN SECTION
G
MIC
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Microphone Amplifier Gain
= V
FAL
/(V
MIC1
- V
MIC2
)
TC1 Threshold for
–3dB attenuation on IN1 chain
TC1 Level with V
mic
= 0 Vrms
High Thereshold of LOUT
Comparator
Low Thereshold of LOUT
Comparator
Output Current of Comparator
LOUT
V
IN
= 4.5mVrms; f = 5KHz
19.5
21
22.5
dB
V
TC1 TH
0.55
0.68
0.75
V
V
TC1 LOW
TC1 H
0
0.07
1.2
0.2
–
V
V
V
LOUT
< 0.4V
1.1
TC1 L
V
LOUT
> 4.1V
–
0.8
0.9
V
I
LOUTL
I
LOUT H
V
LOUTL
V
LOUT H
V
TC1
= 1.5V; V
LOUT
= 0.5V
VTC1 = 0.6V; V
LOUT
= 3.5V
VTC1 = 1.5V
VTC1 = 0.6V
5
–
–
20
–1
0.08
4.33
–
μ
A
μ
A
V
V
–0.5
0.4
–
Output Voltage of Comparator
LOUT
4.1
4
5
C4
470nF
ICC
V4
1
V1
I1
3
2
C1 22nF
VIN2
C2
22nF
R2
100K
20
C20
VIN3
22nF
R20
100K
VIN1
6
VCC
C6
1000
μ
F
15
9
R9 2K
C9
33nF
10
R10
150K
C10
220nF
V10
C7
22nF
VMIC1
100K
C8
22nF
100K
11
I11
12
470pF
50
C12
R14
14
R12
V12-V14
17
18
16
VCC
7
8
13
C13
22
μ
F
R7
R8
19
C19
R19
1M
V19
R3
100K
TEA7533
VREF
D93TL039
VCC
VCC
150nF
TEST CIRCUIT
TEA7533
4/8
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