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參數(shù)資料
| 型號： | TEA1065 |
| 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, PDIP24 |
| 封裝： | 0.600 INCH, PLASTIC, DIP-24 |
| 文件頁數(shù)： | 8/28頁 |
| 文件大?。?/td> | 154K |
| 代理商： | TEA1065 |
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March 1994
8
Philips Semiconductors
Product specification
Versatile telephone transmission circuit with
dialler interface
TEA1065
Fig.7 Maximum current I
p
available from V
CC
for external (peripheral) circuitry with V
CC
>
2.2 V and V
CC
>
3 V.
Curve (1) and (3) are valid when the receiving amplifier is not driven or when MUTE = HIGH, curves (2) and (4)
are valid when MUTE = LOW and the receiving amplifier is driven, V
o(rms)
= 150 mV, R
L
= 150
(asymmetrical).
(1) = 2.2 mA; (2) = 1.77 mA; (3) = 0.78 mA and (4) = 0.36 mA.
I
= 15 mA at V
LN
= 4.45 V
R1 = 620
R9 = 20
handbook, halfpage
0
1
2
4
0
2
MBA569
3
1
VCC (V)
IP
(mA)
(2)
(3)
(4)
(1)
Fig.8
Equivalent circuit impedance between LN
and V
EE
.
L
eq
= C3
×
R9
×
R
p
R
p
= 17.5 k
handbook, halfpage
MBA552
R9
20
REG
LN
C3
4.7
μ
F
Rp
Vref
Leq
SLPE
VCC
VEE
C1
R1
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