參數(shù)資料
型號(hào): TEA7092TQ
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): 7/57頁
文件大?。?/td> 574K
代理商: TEA7092TQ
3
V
L
10
400
ITX/41
(see transmit
channel)
1
V
LS
+
C1
I
START
SwitchON if :
Resetlow
& KIL
Info for
PON& RESET
V
BANDGAP
470k
8
V
RMC
C15
+
3
V
L
50
2k
30 to 75
μ
A
2
V
MC
+
C10
0.8mA(IL = 4mA)
to 3mA(IL > 20mA)
6V
6V
A
Figure 3 :
V
LS
(Pin1) : LoudspeakerPart Power Supply
V
MC
(Pin2) : UnregulatedMicrocontroller Power Supply
V
RMC
(Pin8) : StabilizedMicrocontroller Supply
For AGC Control
V
CC
I
LL
(Pin 33) or
I
SL
(Pin 34)
R18 orR19
300mV
R19 =
300
I
SL
- 5.6
R18 =
300
I
LL
- 5.6
R18 and R19 in k
; I
and I
in mA
R18 and R19 should be connected
as close to the ground Pin (AGND)
as possible.
A
Figure 4 :
ILL (Pin33) : Line CurrentRegulation Start-upValue
ISL (Pin 34) : Line CurrentRegulation Stop Value
I - TEA7092GENERALINFORMATION
(continued)
I.4 - Input / Output Configurations
(continued)
TEA7092 - TELEPHONE SET INTEGRATEDCIRCUIT
7/57
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