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參數(shù)資料
| 型號： | TEA7092TQT |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | TELEPHONE ANALOG FRONT END |
| 中文描述： | 電話模擬前端 |
| 文件頁數(shù)： | 4/57頁 |
| 文件大?。?/td> | 574K |
| 代理商： | TEA7092TQT |
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I.2 - Pinout
Pin N
°
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
Name
V
LS
V
MC
V
L
V
REFL
LSIN
LSSOF
DTMF1
V
RMC
OSC
RI/VI
RESET
PON
CLK
DATA
SNSL
SNLL
ASQ
ASC
RECIN
REOUT
GTR
HFIN
MIC1
MIC2
V
REF
V
CC
TSOFT
SOFTL
I
REF
V
S
SLPE
AGND
I
LL
I
SL
EAR+
EAR-
GREC
V
ZP
SWP
RSU
RCO
DTMF2
GND
LSOUT
Function
Loudspeaker Power Supply
Unregulated Microcontroller Power Supply
Transmit Output Stage
Loudspeaker Reference Voltage (V
LS
/2)
Loudspeaker Amplifier Input
Loudspeaker Softclipping Time Constant
DTMF Filter 1
Stabilized Microcontroller Power Supply
Oscillator Input
Ring Indicator/Line Current Variation Indicator Output (*)
Microcontroller Reset Output (*)
Line Current Indicator Output (*)
Serial Bus Clock Input (*)
Serial Bus Data Input (*)
Short Line SidetoneNetwork
Long Line SidetoneNetwork
Anti-Acoustic Feedback andSquelch Time Constant
DC Offset Anti-Acoustic Feedback and Squelch Amplifier Suppression
Receive Input and Positive Line Voltage
Receive Output for Handfree Interface and Loudspeaker Input
Transmit Gain Adjustment
Handfree Microphone Input Referenced to V
REF
Microphone Input 1 Referenced to V
REF
Microphone Input 2 Referenced to V
REF
Speech Reference Voltage (V
CC
/2)
Speech Power Supply
Transmit Softclipping Time Constant
Transmit Softclipping Level Adjustment
Resistor to Set Reference Current
Active Inductor and DC Characteristic Adjustment
DC Mask Slope Adjustment
Analog Ground and Negative Line Voltage
Long Line Speech Control Gain Adjustment (GMAX)
Short Line Speech Control Gain Adjustment (GMAX - 6dB)
Positive Earphone Output
Negative Earphone Output
Receive Gain Adjustment
Switch Mode Power Supply Internal Zener
Switch Mode Power Supply Output
Ring Start Up Level
Ring Power Output Control
DTMF Filter 2
Power Ground and Negative Line Voltage
Loudspeaker Output
* LogicInterface.
I - TEA7092GENERALINFORMATION
(continued)
TEA7092 - TELEPHONE SET INTEGRATED CIRCUIT
4/57
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