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AS2522B 数据表(PDF) 13 Page - ams AG

部件名 AS2522B
功能描述  Telephone Line Interface and Speakerphone Circuit
PDF  20 Pages
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制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS2522B 数据表(HTML) 13 Page - ams AG

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Data Sheet AS2522B
austriamicrosystems
Revision 3.4
Page 12 of 19
Transmit characteristics
ILine=15mA f=800Hz, default settings unless other specified
Symbol
Parameter
Conditions
Min
Type
Max
Units
Test
AM1/2TX Transmit Gain
M1/M2
→ LS
ZAC(syn)=1000Ω
35
+36.5
38
dB
Y
AM3/4TX Transmit Gain
M3/M4
→ LS
ZAC(syn)=1000Ω
43
+45.0
47
dB
Y
∆ATX
Variation with frequency
f = 500Hz … 3.4kHz
±0.8
dB
N
AVRM12
Control range
M1/M2
→ LS
16 steps
-7/+8
dBr
N
AVRM34
Control range
M2/M4
→ LS
16 steps
-7/+8
dBr
N
THD
Distortion
VLS=0.25VRMS
2%
Y
VAGC1
Soft Clip Level
M1/M2
→ LS at LS
2VP
N
VAGC2
Soft Clip Level
M3/M4
→ LS at LS
2VP
N
ASCO
Soft Clip Overdrive
M1/M2 - M3/M4
20
dB
N
tattack
Attack time
70
us/6dB
N
tdecay
Decay time
100
ms/6dB
N
ZIN-M1/2 Input Impedance
M1/M2
10
k
Ω
N
ZIN-M3/4 Input Impedance
M3/M4
10
k
Ω
N
VINmax
Input Voltage Range
M1/2 - M3/4
differential
±1
Vp
N
VNO
Noise Output Voltage
LS
TAMP=25°C
Handset mode
Gain = 36.5dB
-72
dBmp
Y
AMUTE
Mute Attenuation
Mute activated
60
dB
Y



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