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參數資料
| 型號： | UBA1707 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Cordless telephone, answering machine line interface(無繩電話，電話應答機線接口) |
| 中文描述： | 無繩電話，應答機行界面（無繩電話，電話應答機線接口） |
| 文件頁數： | 23/36頁 |
| 文件大小： | 245K |
| 代理商： | UBA1707 |
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1999 Feb 17
23
Philips Semiconductors
Product specification
Cordless telephone, answering machine
line interface
UBA1707
V
no(RXO)(rms)
noise output voltage at
pin RXO (RMS value)
RXI open-circuit;
psophometrically weighted
(P53 curve)
V
RXI
= 10 mV (RMS);
bit RXM = 1
81
dBVp
G
v(RX)(m)
voltage gain reduction from
pin RXI to RXO when muted
80
dB
Automatic gain control (pin AGC; bits RAGC1, RAGC2, SAGC and AGC)
G
v(trx)
gain control range for transmit
and receive amplifiers with
respect to I
line
= 15 mA
I
start
highest line current for
maximum gain
I
line
= 90 mA
6.5
dB
bits RAGC1 = 1; RAGC2 = 1
bits RAGC1 = 1; RAGC2 = 0
bits RAGC1 = 0; RAGC2 = 1
bits RAGC1 = 0; RAGC2 = 0
bits SAGC = 0; RAGC1 = 1;
RAGC2 = 1
bits SAGC = 1; RAGC1 = 1;
RAGC2 = 1
bit AGC = 0;
I
line
= 15 to 140 mA
22.5
25
27
29.5
62
mA
mA
mA
mA
mA
I
stop
lowest line current for
minimum gain when
I
start
= 23 mA
43
mA
G
v(trxoff)
gain variation for transmit and
receive amplifiers when AGC
is off
±
0.2
dB
Amplifiers
A
UXILIARY AMPLIFIER
(
PINS
AXI
AND
AXO;
BIT
AXM)
Z
i
input impedance between pins
AXI and GND
G
v(AX)
voltage gain from pin
AXI to AXO
G
v(AX)(f)
voltage gain variation with
frequency referenced to 1 kHz
G
v(AX)(T)
voltage gain variation with
temperature referenced to
25
°
C
PSRR
power supply rejection ratio
V
no(AXO)(rms)
noise output voltage at
pin AXO (RMS value)
3.8
k
V
AXI
= 2 mV (RMS)
30.8
31.8
32.8
dB
f = 300 to 3400 Hz
±
0.2
dB
T
amb
=
25 to +75
°
C
±
0.2
dB
79
83
dB
dBVp
pin AXI connected to pin
GND through 200
in series
with 10
μ
F;
psophometrically weighted
(P53 curve)
V
AXI
= 10 mV (RMS);
bit AXM = 1
G
v(AX)(m)
voltage gain reduction from
pin AXI to AXO when amplifier
muted
80
dB
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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