參數(shù)資料
型號(hào): AS2524T
廠(chǎng)商: AUSTRIAMICROSYSTEMS AG
元件分類(lèi): 無(wú)繩電話(huà)/電話(huà)
英文描述: Line Interface Speaker Phone; Package Type: SOIC-28; Temperature Range: -25 - +70 °C; Output Interface: Parallel; Supply Voltage: 3,00-5,00
封裝: SOIC-28
文件頁(yè)數(shù): 7/19頁(yè)
文件大?。?/td> 490K
代理商: AS2524T
Data Sheet AS2523, AS2524, AS2524B
austria
micro
systems
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
Z
LINE
= 600
Ω
V
LS
= -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
Z
LINE
= 600
Ω
V
LS
= -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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