參數(shù)資料
型號: AS2522BF
廠商: AUSTRIAMICROSYSTEMS AG
元件分類: 無繩電話/電話
英文描述: Telephone Line Interface and Speakerphone Circuit
中文描述: SPEAKER PHONE CIRCUIT, UUC
封裝: DIE
文件頁數(shù): 12/19頁
文件大?。?/td> 365K
代理商: AS2522BF
Data Sheet AS2522B
austria
micro
systems
Revision 3.4
Page 12 of 19
Transmit characteristics
I
Line
=15mA f=800Hz, default settings unless other specified
Symbol
Parameter
Conditions
Min
Type
Max
Units
Test
A
M1/2TX
Transmit Gain
M1/M2
LS
Z
AC(syn)=
1000
35
+36.5
38
dB
Y
A
M3/4TX
Transmit Gain
M3/M4
LS
Z
AC(syn)
=1000
43
+45.0
47
dB
Y
A
TX
Variation with frequency
f = 500Hz … 3.4kHz
±0.8
dB
N
A
VRM12
Control range
M1/M2
LS
16 steps
-7/+8
dBr
N
A
VRM34
Control range
M2/M4
LS
16 steps
-7/+8
dBr
N
THD
Distortion
V
LS
=0.25VRMS
2
%
Y
V
AGC1
Soft Clip Level
M1/M2
LS at LS
2
VP
N
V
AGC2
Soft Clip Level
M3/M4
LS at LS
2
VP
N
A
SCO
Soft Clip Overdrive
M1/M2 - M3/M4
20
dB
N
t
attack
Attack time
70
us/6dB
N
t
decay
Decay time
100
ms/6dB
N
Z
IN-M1/2
Input Impedance
M1/M2
10
k
N
Z
IN-M3/4
Input Impedance
M3/M4
10
k
N
V
INmax
Input Voltage Range
M1/2 - M3/4
differential
±1
Vp
N
V
NO
Noise Output Voltage
LS
T
AMP
=25°C
Handset mode
Gain = 36.5dB
-72
dBmp
Y
A
MUTE
Mute Attenuation
Mute activated
60
dB
Y
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