參數(shù)資料
型號: 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): 56/57頁
文件大?。?/td> 574K
代理商: TEA7092TQ
1
2
3
4
5
6
7
8
9
10
11
12
P
13
C
14
D
15
S
16
S
17
A
18
A
19
R
20
R
21
G
22
H
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
41
42
40
43
44
MIC1
MIC2
V
REF
VCC
TSOFT
SOFTL
I
REF
V
S
SLPE
AGND
I
LL
RESET
RI/VI
OSC
V
RMC
DTMF1
LSSOF
LSIN
V
REFL
V
L
V
MC
V
LS
I
S
E
G
E
V
Z
S
R
R
D
G
L
R18
R3
R2
R1
+
C11
R19
R12
R4
C3
R
R
R38
C30
R40
C4
R36
T1
T2
R23
R32
D3
D2
C6
+
D7
C32
+
C2
L1
TEA7092
R17
C17
R14
+
C24
+
C1
C
R31
C
C13
3.58MHz
AGND
C26
W1
R21
C31
R8
R15
C14
AGND
C25
C27 C12
R16
C16
R13
R5
R6
C5
R27
R28
R29
C28
R11b
R11a
R10
R9
C8
AGND
C9
V
L1
CR1
D1
AGND
EAR-
EAR+
MIC-
MIC+
HFIN
REOUT
RING1
GND
+
C10
V
REF
+
C15
V
MC
V
RMC
AGND
V
LS
LS1
LSIN
RI/VI
RESET
PON
CLK
DATA
RING
LS AMPLIFLIER
V
REF
RETURN
LOSS
SIDETONE
Rx GAIN
A
VII - APPLICATION DIAGRAM
Ref.
R1
R2
R3
R4
R5
R6
R8
R10
R11a
R11b
R12
R13
R14
Part
56k
30k
2.7k
820k
0
39k
1.62k
680
24
6.2
100k
2.7k
47k
Ref.
R15
R16
R17
R18
R19
R21
R27
R28
R29
R31
R32
R33
R35
Part
2.2k
330k
75k
18k
6.8k
1.5k
3.3k
33k
18k
560k
220k
1.5k
56k
Ref.
R36
R37
R38
R40
Part
4.7k
200k
150k
Ref.
L1
Q1
C1
C2
C3
C4
C5
C6
C8
C10
C11
C12
C13
Part
1mH
3,58MHz
100
μ
F
47
μ
F
150nF
220nF
560pF
10
μ
F (63V)
47
μ
F
470
μ
F
1
μ
F
100nF
47nF
Ref.
C14
C15
C16
C17
C19
C20
C25
C26
C27
C28
C30
C31
C32
CR1
Part
47nF
4.7
μ
F
1
μ
F
330pF
470nF
47nF
470nF
47nF
100nF
1.8nF
1.2nF
10nF
2.7nF
10nF
47k
(50Hz/50
)*
47k
(25Hz/50
)*
39k
(50Hz/32
)*
33k
(25Hz/32
)*
13V
47V
8.2V
1N4148
BC556B
BC546B
D1
D2
D3
D7
T1
T2
* (Ring frequency / LS impedance)
TEA7092 - TELEPHONE SET INTEGRATED CIRCUIT
56/57
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