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参数资料
| 型号： | CH1817LET |
| 厂商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Family of Low Profile DAA Modules |
| 中文描述： | DAA的超薄系列模块 |
| 文件页数： | 6/7页 |
| 文件大小： | 443K |
| 代理商： | CH1817LET |
Cermetek Microelectronics, Inc.
CH1817 Family of Low Profile DAA Modules
Table 2.
CH1817 DAA Electrical Specifications.
V
CC
=+5VDC ± 5%, T
A
=0° to 55°C
Conditions
Parameter
Min.
Typ.
Max.
Units
Supply Current
Off-Hook
Off-Hook
Attenuation between transmit input and telephone line at
1800Hz with 600Ohm termination:
CH1817-L measured XMIT(+) with respect to GND
CH1817-DM measured XMIT(-) with respect to XMIT(+)
CH1817-LM measured XMIT(+) with respect to GND
CH1817-D measured XMIT(-) with respect to XMIT(+)
Gain between telephone line and receive output at
1800Hz with 600Ohm termination
4
0.6
9.5
6.5
6.5
0.0
0.0
6
1.5
10.0
7.0
7.0
0.5
0.5
mA
mA
dBm
dBm
dBm
dBm
dBm
Transmission
Insertion Loss
9.0
6.0
6.0
-0.5
-0.5
Receive Gain
Telephone Line
Input Impedance
Trans-Hybrid Loss
At 1800Hz
550
600
650
Ohm
Attenuation between the transmitter input and receiver
output at 1800Hz with 600Ohm termination
18
23
dBm
Transmit Input
Impedance
Receive Output
Impedance
Ring Detect
Sensitivity
Ringer Equivalency
Number (REN)
Hook Switch Control
Current
Loop current
At 1800Hz
120
150
200
kOhm
At 1800Hz
100
1000
Ohm
AC voltage between Tip and Ring
38
V
rms
Type “A”
0.2
A
4
mA
20
80
mA
Weight
10
gm
Figure 6. Pin Connections.
2002 Cermetek Microelectronics, Inc.
Page 6
Document No. 607-0007 Revision B (01/02)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CH1817LM | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Family of Low Profile DAA Modules |
| CH1817-LM | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Family of Low Profile DAA Modules |
| CH1818 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Telecommunication IC |
| CH1819 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Telecommunication IC |
| CH181-W | 制造商:Leviton Manufacturing Co 功能描述: |
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