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AS2523 数据表(PDF) 13 Page - ams AG

部件名 AS2523
功能描述  Telephone Line Interface and Speakerphone Circuit
PDF  19 Pages
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制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS2523 数据表(HTML) 13 Page - ams AG

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Data Sheet AS2523, AS2524, AS2524B
austriamicrosystems
Revision 1.12, Preliminary
Page 13 of 19
DC characteristics
ILine=15mA w/o operation of any additional external
circuitry, unless other specified
Symbol
Parameter
Conditions
Min
Type
Max
Units
Test
IDDS
Operating Current
Speech Mode
3
6
mA
Y
IDDH
Operating Current
Handsfree Mode
7
10
mA
Y
VLI
Line Voltage LIVolt=0
Line Voltage LIVolt=1
15mA<=ILINE<=100mA
3.2
4.2
3.5
4.5
3.8
4.8
V
V
Y
Y
IOL
Output Current, Sink
CS,SS
VOL=0.4V
1
mA
N
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
AS2524
AS2524B
ZAC(syn)=1000Ω
35
39
+36.5
+42.5
38
44
dB
dB
Y
Y
AM3/4TX Transmit Gain M3/M4 → LS
AS2524
AS2524B
ZAC(syn)=1000Ω
43
49
+45.0
+51
47
53
dB
dB
Y
Y
Atone TX Transmit Gain
Tone
→ LS
ZAC(syn)=1000Ω
12
+14dB
16
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



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