UBA1707 NXP Semiconductors, UBA1707 Datasheet - Page 22

• Manufacturer Part Number: UBA1707
• Description: Cordless Telephone, Answering Machine Line Interface
• Manufacturer: NXP Semiconductors

Philips Semiconductors
1999 Feb 17
Electronic hook-switch control (pin EHI)
V
V
I
Transmit amplifier (pins TXI+, TXI and LN)
G
CMRR
PSRR
V
V
V
Receive amplifier (pins RXI and RXO; bit RXM)
G
PSRR
THD
bias
Z
Z
G
G
G
G
IH
IL
LN(max)(rms)
iTX(max)(rms)
no(LN)
Cordless telephone, answering machine
line interface
v(TX)
v(RX)
SYMBOL
i
i
v(TX)(f)
v(TX)(T)
v(RX)(f)
v(RX)(T)
HIGH-level input voltage
LOW-level input voltage
input bias current
input impedance
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)
maximum transmit input
voltage (RMS value) for
2% THD on pin LN
noise output voltage at pin LN pins TXI+ and TXI
input impedance between pins
RXI and GND
voltage gain from RXI to RXO
voltage gain variation with
frequency referenced to 1 kHz
voltage gain variation with
temperature referenced to
25 C
power supply rejection ratio
total harmonic distortion
PARAMETER
V
input level = HIGH
between pins TXI+ and GND
or TXI and GND
between pins TXI+ and TXI
V
f = 300 to 3400 Hz
T
I
I
I
I
short-circuited through
200
psophometrically weighted
(P53 curve)
V
f = 300 to 3400 Hz
T
V
V
V
I
line
line
line
line
line
amb
amb
CC
TXI
RXI
RXI
RXI
RXI
= 15 mA; THD = 2%
= 4 mA; THD = 10%
= 15 mA
= 90 mA
= 90 mA
= 3.0 to 5.5 V
= 50 mV (RMS)
= 2 mV (RMS)
= 2 mV (RMS)
= 12.5 mV (RMS)
= 19.5 mV (RMS);
= 25 to +75 C
= 25 to +75 C
in series with 10 F;
CONDITIONS
22
2.3
GND
1
10.6
1.2
36.9
MIN.
0.4
21
36
2
11.6
65
36
1.4
0.26
0.35
0.75
21
37.9
68
0.03
2
2
TYP.
0.3
0.3
74
0.2
0.3
Product specification
V
0.3V
5
12.6
38.9
CC
UBA1707
MAX.
+ 0.4 V
CC
V
k
k
dB
dB
dB
dB
dB
V
V
V
V
dBmp
k
dB
dB
dB
dB
%
%
%
UNIT
A