參數(shù)資料
型號: AS2540-ZSOW
廠商: AUSTRIAMICROSYSTEMS AG
元件分類: 無繩電話/電話
英文描述: Remote controlled Basic Phone; Package Type: SOIC-28; Temperature Range: -15 - +60 °C; Output Interface: 2-Wire Serial; Supply Voltage: 3,60-5,00
封裝: SOIC-28
文件頁數(shù): 13/18頁
文件大?。?/td> 248K
代理商: AS2540-ZSOW
Data Sheet AS2540
austria
micro
systems
Revision 3.1
Page 13 of 18
LD characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Test
t(td)
Flash Duration
DPN pin status can be directly
controlled via serial interface
DTMF characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Test
V
MFlow
Tone Level Low Group
LS
-6
dBm
Y
V
L-H
Preemphasis L-H
2.0
2.6
3.2
dB
Y
UFC
Unwanted Frequency
Components
300Hz - 4.3kHz
4.3kHz - 7kHz
7kHz - 10kHz
10kHz - 14kHz
14kHz - 28.5kHz
28.5kHz – 40kHz
-40
-46
-52
-58
-70
-80
dBm
dBm
dBm
dBm
dBm
dBm
Y
Y
Y
Y
Y
Y
f
Frequency Deviation
1.2
%
Y
t(td)
Tone Duration
80
82.3
85
ms
Y
t(itp)
Inter Tone Pause
80
82.3
85
ms
Y
t(mo)
Mute Overhang
6
ms
Y
V
CT-H
Comfort Tone (DTMF)
ROH rel. to LS
-30
dB
N
Ringer characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Test
f1
Frequency 1
770
800
830
Hz
Y
f2
Frequency 2
1025
1067
1110
Hz
Y
f3
Frequency 3
1280
1333
1385
Hz
Y
f
MIN
Min. Det. Frequency
12
13
14
Hz
Y
f
MAX
Max. Det. Frequency
68
70
75
Hz
Y
t
DT
Detection Time
Initially
102
ms
N
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