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參數(shù)資料
| 型號(hào)： | TEA7540 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Handsfree Controller(無手柄控制器) |
| 中文描述： | 免提控制器（無手柄控制器） |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 132K |
| 代理商： | TEA7540 |
Symbol
SUPPLY SECTION
V
+
I
C
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Fig.
Supply Voltage
Current Consumption
2.5
7.0
V
1
Vcs = 0
Handsfree mode
Vcs= N.C.
Monitoring mode
2.1
1.1
3.0
1.5
mA
mA
1
TRANSMIT SECTION
COMPRESSOR
Rine
Compressor input impedance
C
R
Compressor Range
G
1max
Maximum Gain
G
1min
Minimum Gain
V
O
Output Voltage
T
dh
TransmitDistortion
I
cce1
Compressor dacay timecurrent
I
cce2
Compressor rise time current
V
cce1
Voltage drop PIN8
V
cce
= Vref - Vpin8
V
cce2
PEAK DETECTOR
R
inpd
Input impedance PIN11
I
ce2
Rise time current
NOISE MEMORIZATION
V1
Max voltage drop on pin 9
ATTENUATOR
R
ina
Input impedance PIN4
ATE-
Attenuation=
20log(Voute/Vatte)
Mode: Inactive Tx, Rx
Comp. Max Gain
ATE-active
Mode: Active
ATE-IDLE
Mode: Noise Tx, Rx Comp.
Max Gain
RECEIVE SECTION
COMPRESSOR
R
inr
Input impedance
C
R
Compressor Range
G
2max
Maximum Gain
G
2min
Minimum Gain
V
micout
Compressor output voltage
R
dh
Receive Distortion
I
ccr1
Compressor decaytime
current
I
ccr2
Compressor rise time current
V
ccr1
Voltage drop PIN20
Vccr = Vref - Vpin20
V
ccr2
PIN13
7.5
10.0
16.5
41.5
25.0
200
14.5
K
dB
dB
dB
mVpp
%
μ
A
μ
A
mV
mV
1
40.5
24.0
160
42.5
26.0
240
3.0
1.5
105
20
275
2
3
4
4
5
6
2
3
PIN12 compressingrange
Increasing gain
Decreasing gain
G1max
G1min
1.0
65
1.25
85
0
225
175
7.5
16
10.0
20
14.5
24
K
μ
A
1
7
33
36
45
mV
8
7.5
10
46
58
14.5
K
dB
dB
1
9
Rpin24 = 11K
Rpin24 = 15K
Rpin24 = 11K
Rpin24 = 11K
0
1.5
23
3
dB
dB
10
11
PIN15
7.5
10.0
20.5
36.5
16.0
200
14.5
K
dB
dB
dB
mVpp
%
μ
A
1
35.5
15.0
160
37.5
17.0
240
3.0
1.5
2
3
4
4
5
PIN16 compressingrange
Increasing gain
1.0
1.25
Decreasing gain
G2max
G2min
65
85
0
225
105
20
275
μ
A
mV
mV
6
2
3
175
ELECTRICALCHARACTERISTICS
(Referto testcircuits,T
amb
= 25
°
C;V
+
= 3V;f=1KHzunlessotherwise
specified).
TEA7540
6/12
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| TEA7540FP | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HANDSFREE CONTROLLER |
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