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參數(shù)資料
| 型號(hào)： | UBA1707 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Cordless telephone, answering machine line interface(無繩電話，電話應(yīng)答機(jī)線接口) |
| 中文描述： | 無繩電話，應(yīng)答機(jī)行界面（無繩電話，電話應(yīng)答機(jī)線接口） |
| 文件頁數(shù)： | 22/36頁 |
| 文件大小： | 245K |
| 代理商： | UBA1707 |
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1999 Feb 17
22
Philips Semiconductors
Product specification
Cordless telephone, answering machine
line interface
UBA1707
Electronic hook-switch control (pin EHI)
V
IH
V
IL
I
bias
Transmit amplifier (pins TXI+, TXI
and LN)
Z
i
input impedance
HIGH-level input voltage
LOW-level input voltage
input bias current
2.3
GND
0.4
1
2
V
CC
+ 0.4
0.3V
CC
5
V
V
μ
A
V
CC
= 3.0 to 5.5 V
input level = HIGH
between pins TXI+ and GND
or TXI
and GND
between pins TXI+ and TXI
V
TXI
= 50 mV (RMS)
21
k
36
11.6
12.6
k
dB
G
v(TX)
voltage gain from TXI+/TXI
to LN
voltage gain variation with
frequency referenced to 1 kHz
voltage gain variation with
temperature referenced to
25
°
C
common mode rejection ratio
power supply rejection ratio
maximum sending signal
(RMS value)
10.6
G
v(TX)(f)
f = 300 to 3400 Hz
±
0.3
dB
G
v(TX)(T)
T
amb
=
25 to +75
°
C
±
0.3
dB
CMRR
PSRR
V
LN(max)(rms)
1.2
65
36
1.4
0.26
0.35
0.75
dB
dB
V
V
V
V
I
line
= 15 mA; THD = 2%
I
line
= 4 mA; THD = 10%
I
line
= 15 mA
I
line
= 90 mA
V
iTX(max)(rms)
maximum transmit input
voltage (RMS value) for
2% THD on pin LN
noise output voltage at pin LN
V
no(LN)
pins TXI+ and TXI
short-circuited through
200
in series with 10
μ
F;
psophometrically weighted
(P53 curve)
74
dBmp
Receive amplifier (pins RXI and RXO; bit RXM)
Z
i
input impedance between pins
RXI and GND
G
v(RX)
voltage gain from RXI to RXO
G
v(RX)(f)
voltage gain variation with
frequency referenced to 1 kHz
G
v(RX)(T)
voltage gain variation with
temperature referenced to
25
°
C
PSRR
power supply rejection ratio
THD
total harmonic distortion
21
k
V
RXI
= 2 mV (RMS)
f = 300 to 3400 Hz
36.9
37.9
±
0.2
38.9
dB
dB
T
amb
=
25 to +75
°
C
±
0.3
dB
68
0.03
2
2
dB
%
%
%
V
RXI
= 2 mV (RMS)
V
RXI
= 12.5 mV (RMS)
V
RXI
= 19.5 mV (RMS);
I
line
= 90 mA
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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