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參數(shù)資料
| 型號： | TEA1066T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | Versatile telephone transmission circuit with dialler interface |
| 中文描述： | TELEPHONE SPEECH CKT, PDSO20 |
| 封裝： | PLASTIC, SO-20 |
| 文件頁數(shù)： | 17/24頁 |
| 文件大小： | 133K |
| 代理商： | TEA1066T |
1996 Apr 04
17
Philips Semiconductors
Product specification
Versatile telephone transmission circuit
with dialler interface
TEA1066T
APPLICATION INFORMATION
Typical application of the TEA1066, shown with a piezoelectric earpiece and DTMF dialling. The bridge to the left and R10 limit the current into the
circuit and the voltage across the circuit during line transients. Pulse dialling or register recall require a different protection arrangement.
handbook, full pagewidth
MBH129
SLPE
GAS1
GAS2
C6
100 pF
R8
390
20
MICL
/MICH
MICL
+
/MICH
+
GAR
QR
+
QR
7, 8
9, 10
C4
100 pF
C5
100 nF
6
5
4
1
17
IR
13
2
3
REG
18
R7
AGC
19
R6
STAB
11
VEE
12
14
C3
4.7
μ
F
R5
3.6 k
R1
LN
VCC
620
R9
20
PD
15
DTMF
16
MUTE
1 nF
C7
R4
BZW14
(2x)
BAS11
(2x)
R11
R3
3.92
k
R2
130 k
R10
13
Zbal
TEA1066T
C1
100
μ
F
from dial
and
control
circuits
telephone
line
Fig.14 Application diagram.
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