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AS2523F Datasheet(PDF) 7 Page - ams AG

Part # AS2523F
Description  Telephone Line Interface and Speakerphone Circuit
PDF  19 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS2523F Datasheet(HTML) 7 Page - ams AG

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Data Sheet AS2523, AS2524, AS2524B
austriamicrosystems
Typical Characteristics of Line Loss Compensation (AS2523, AS2524B only)
The line-loss-compensation is programmable at the AS2523, not activated at the AS2524 and LLC high (45mA-75mA) activated
at the AS2524B.
(dB)
Tx Gain
35
34
33
32
31
30
29
No LLC (AS2523, AS2524)
DC Line
Current
70
80
(mA)
60
50
20
30
40
f = 800 Hz
ZLINE = 600
Ω
VLS = -10 dBm
LLC high
(AS2523,AS2524B)
LLC low
(AS2523)
Figure 1 Typical Tx Gain Characteristics Line Loss Compensation
No LLC (AS2523, AS2524)
(dB)
Rx Gain
DC Line
Current
+4
+3
+2
+1
0
-1
-2
70
80
(mA)
60
50
20
30
40
f = 800 Hz
ZLINE = 600
Ω
VLS = -10 dBm
VOL = 0 dB (neutral)
LLC low
(AS2523)
LLC high
(AS2523,AS2524B)
Figure 2 Typical Rx Gain Characteristics Line Loss Compensation
Revision 1.13
Page 7 of 19



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