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參數(shù)資料
| 型號： | XE0068DT |
| 英文描述： | Integrated DTMF transceiver. 2-4 wire converter |
| 中文描述： | 集成的雙音多頻收發(fā)器。 2-4線轉換器 |
| 文件頁數(shù)： | 4/6頁 |
| 文件大?。?/td> | 30K |
| 代理商： | XE0068DT |
XECOM
(4)
XE0068
Supply Voltage
+6.5 Volts
-25
O
C to 8
5O
C
0
O
C to 70
O
C
Storage Temperature Range
Operating Temperature Range
Lead Temperature
260
O
C
Maximum Soldering Duration
2 seconds
*
Exceeding these levels may result in permanent damage to the device.
Electrical Specifications
(VCC = +5.0 Volts + 5%; Ta = 0o C to +70o C)
Parameter
Conditions
Min
Typ
Max
Units
Supply Current
Off hook
16
20
mA
Line Impedance
At 1000 Hz
540
600
660
Ohms
AGC Input Range
Output level <-9dBm; D/V high
-40
0
dBm
AGC Output Level
D/V held high
-20
-9
dBm
AGC Output Level
D/V held low
--11
0
dBm
Billing Delay
OH activated
2.0
2.3
sec
Transhybrid Loss
at 1000 Hz
40
dB
Receive Loss
at 1000Hz
-1.0
0.0
1.0
dB
Ring Detect Sensitivity
Min. AC voltage between Tip & Ring
Type B ringer
38
Vrms
Ring Indicate Output
Voltage
Ring Voltage present on Tip & Ring
0.2
0.5
Volts
Loop Current Switch
Control Voltage
ON: (off-hook)
OFF: (on-hook)
2.0
3.0
0.2
Volts
Volts
0.5
Loop Current Switch
Control Current
OFF-Hook
0.1
2.0
mA
Loop Current
OFF-Hook current draw from
0
20
100
mA
Absolute Maximum Ratings*
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