參數(shù)資料
型號： 935263971118
廠商： NXP SEMICONDUCTORS
元件分類： 通信及網(wǎng)絡
英文描述： SPECIALTY TELECOM CIRCUIT, PDSO28
封裝： PLASTIC, SOT-136, SO-28
文件頁數(shù)： 16/38頁
文件大?。?/td> 287K
代理商： 935263971118
1999 Feb 17
23
Philips Semiconductors
Product specication
Cordless telephone, answering machine
line interface
UBA1707
Vno(RXO)(rms)
noise output voltage at
pin RXO (RMS value)
RXI open-circuit;
psophometrically weighted
(P53 curve)
81
dBVp
G
v(RX)(m)
voltage gain reduction from
pin RXI to RXO when muted
VRXI = 10 mV (RMS);
bit RXM = 1
80
dB
Automatic gain control (pin AGC; bits RAGC1, RAGC2, SAGC and AGC)
Gv(trx)
gain control range for transmit
and receive ampliers with
respect to Iline =15mA
Iline =90mA
6.5
dB
Istart
highest line current for
maximum gain
bits RAGC1 = 1; RAGC2 = 1
22.5
mA
bits RAGC1 = 1; RAGC2 = 0
25
mA
bits RAGC1 = 0; RAGC2 = 1
27
mA
bits RAGC1 = 0; RAGC2 = 0
29.5
mA
Istop
lowest line current for
minimum gain when
Istart =23mA
bits SAGC = 0; RAGC1 = 1;
RAGC2 = 1
62
mA
bits SAGC = 1; RAGC1 = 1;
RAGC2 = 1
43
mA
G
v(trxoff)
gain variation for transmit and
receive ampliers when AGC
is off
bit AGC = 0;
Iline = 15 to 140 mA
±0.2
dB
Ampliers
AUXILIARY AMPLIFIER (PINS AXI AND AXO; BIT AXM)
Zi
input impedance between pins
AXI and GND
3.8
k
Gv(AX)
voltage gain from pin
AXI to AXO
VAXI = 2 mV (RMS)
30.8
31.8
32.8
dB
G
v(AX)(f)
voltage gain variation with
frequency referenced to 1 kHz
f = 300 to 3400 Hz
±0.2
dB
G
v(AX)(T)
voltage gain variation with
temperature referenced to
25
°C
Tamb = 25 to +75 °C
±0.2
dB
PSRR
power supply rejection ratio
79
dB
Vno(AXO)(rms)
noise output voltage at
pin AXO (RMS value)
pin AXI connected to pin
GND through 200
in series
with 10
F;
psophometrically weighted
(P53 curve)
83
dBVp
Gv(AX)(m)
voltage gain reduction from
pin AXI to AXO when amplier
muted
VAXI = 10 mV (RMS);
bit AXM = 1
80
dB
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
相關(guān)PDF資料
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