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參數(shù)資料
| 型號： | 933880320112 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | TELEPHONE SPEECH CKT, PDSO20 |
| 封裝： | PLASTIC, SOT-163, SO-20 |
| 文件頁數(shù)： | 4/29頁 |
| 文件大小： | 231K |
| 代理商： | 933880320112 |
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June 1990
12
Philips Semiconductors
Product specication
Low voltage versatile telephone
transmission circuit with dialler interface
TEA1067
Gain variation with frequency
at f = 300 Hz
and f = 3400 Hz
w.r.t 800 Hz
G
vf
0.5
± 0.2
+0.5
dB
Gain variation with temperature
at
25 °C
and
+ 75 °C
w.r.t. 25
°C
without R6;
Iline = 50 mA
GvT
± 0.2
dB
Dual-tone multi-frequency
input DTMF
Input impedance
Z
i
16.8
20.7
24.6
k
Voltage gain from DTMF to LN
Iline = 15 mA;
R7 = 68 k
Gv
24.5
25.5
26.5
dB
Gain variation with frequency
at f = 300 Hz and f = 3400 Hz
w.r.t. 800 Hz
G
vf
0.5
±0.2
+0.5
dB
Gain variation with temperature
at
25 °C and +75 °C
w.r.t. 25
°C
Iline = 50 mA
GvT
±0.2
dB
Gain adjustment
GAS1 and GAS2
Gain variation of the
transmitting amplifier by
varying R7 between GAS1
and GAS2
Gv
8
0dB
Sending amplier output LN
Output voltage
Iline = 15 mA
THD = 2%
VLN(rms)
1.9
V
THD = 10%
VLN(rms)
1.9
2.2
V
Iline = 4 mA;
THD = 10%
VLN(rms)
0.8
V
Iline = 7 mA;
THD = 10%
VLN(rms)
1.4
V
Noise output voltage
Iline = 15 mA;
R7 = 68 k
;
200
between
MIC
and MIC+;
psophometrically
weighted (P53 curve)
Vno(rms)
72
dBmp
Receiving amplier input IR
Input impedance
Zi
17
21
25
k
PARAMETER
CONDITION
SYMBOL
MIN.
TYP.
MAX.
UNIT
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