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參數(shù)資料
| 型號： | TEA1065T |
| 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, PDSO24 |
| 封裝： | PLASTIC, SO-24 |
| 文件頁數(shù)： | 15/28頁 |
| 文件大?。?/td> | 154K |
| 代理商： | TEA1065T |
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March 1994
15
Philips Semiconductors
Product specification
Versatile telephone transmission circuit with
dialler interface
TEA1065
CHARACTERISTICS
I
LN
= 10 to 150 mA; V
EE
= 0 V; f = 800 Hz; T
amb
= 25
°
C; R9 = 20
; unless otherwise specified
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply LN and V
CC
(pins 1 and 21)
V
LN
voltage drop over circuit
I
line
= 5 mA
I
line
= 15 mA
I
line
= 100 mA
I
line
= 140 mA
I
line
= 15 mA
I
line
= 15 mA
R
VA
= R
1-22
= 68 k
R
VA
= R
22-24
= 39 k
PD = LOW; V
CC
= 2.8 V
PD = HIGH; V
CC
= 2.8 V
3.95
4.25
5.4
3
4.25
4.45
6.1
1
4.55
4.65
6.7
7.5
+
1
V
V
V
V
mV/K
V
LN
/
T
V
LN
variation with temperature
voltage drop over circuit
3.6
4.7
3.9
5.0
1.14
73
4.15
5.3
1.5
105
V
V
mA
μ
A
I
CC
supply current
Microphone inputs MIC
+
and MIC
(pins 8 and 7)
Z
I
input impedance
G
v
voltage gain
G
v
f
variation with frequency
referred to 800 Hz
G
v
T
variation with temperature
referred to 25
°
C
18.5
37
0.5
20.4
38
±
0.2
24.3
39
+
0.5
k
dB
dB
I
line
= 15 mA; R7 = 68 k
I
line
= 15 mA;
f = 300 to 3400 Hz
I
line
= 50 mA;
T
amb
=
25 to 75
°
C;
without R6
±
0.5
dB
Dual-tone multi-frequency input DTMF
(pin 19)
Z
I
input impedance
G
v
voltage gain
G
v
f
variation with frequency
referred to 800 Hz
G
v
T
variation with temperature
referred to 25
°
C
16.8
24.5
0.5
20.7
25.5
±
0.2
24.6
26.5
+
0.5
k
dB
dB
I
line
= 15 mA; R7 = 68 k
I
line
= 15 mA
f = 300 to 3400 Hz
I
line
= 50 mA;
T
amb
=
25 to
+
75
°
C
±
0.5
dB
Gain adjustment GAS1 and GAS2
(pin 2 and 3)
G
v
gain variation with R7
connected between pins 2 and 3;
transmitting amplifier
8
+
8
dB
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