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(yè)數(shù): 9/57頁(yè)
文件大?。?/td> 574K
代理商: TEA7092TQ
60k
60k
0dB
kIL
kIL = 0 for I
L
= ISL
kIL = 1 for I
L
= ILL
1 - kIL
AGC
21 to 15dB
(Code +6dB not
activated)
+6dBCode
20
REOUT
ZAL= K x ZALL + (1 - K)x ZASL
19
RECIN
ITX
3
V
L
15
SNSL
16
SNLL
C12
C27
26
V
CC
ZASL
R5+R6//C5
ZALL
R29+R28//C28
R13
R27
R11b
R11a
ZB
R14
R17
32
GREC
35
EAR+
Mute
V
CC
Mute
V
CC
36
EAR-
20k
20k
40k
10k
25
V
REF
Mute
EARCMF
0.6V
A
Figure 6 :
SNSL (Pin 15) : Short Line Length Sidetone Network Input
SNLL (Pin 16) : LongLine Length Sidetone Network Input
RECIN (Pin 19) : Receive Input
REOUT (Pin 20) : ReceiveOutput for HandsfreeDevice
GREC (Pin 37) : Receive Gain Adjustment
EAR+ (Pin 35) : PositiveEarphone Output
EAR- (Pin36) : NegativeEarphone Output
I - TEA7092GENERALINFORMATION
(continued)
I.4 - Input / Output Configurations
(continued)
TEA7092 - TELEPHONE SET INTEGRATEDCIRCUIT
9/57
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