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參數(shù)資料
| 型號(hào)： | MH88437-P |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Data Access Arrangement(數(shù)據(jù)存取陣列（在音頻或數(shù)據(jù)傳送設(shè)備和電話線之間提供一個(gè)完全接口）) |
| 中文描述： | 數(shù)據(jù)訪問安排（數(shù)據(jù)存取陣列（在音頻或數(shù)據(jù)傳送設(shè)備和電話線之間提供一個(gè)完全接口）） |
| 文件頁(yè)數(shù)： | 9/16頁(yè) |
| 文件大小： | 96K |
| 代理商： | MH88437-P |
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Advance Information
MH88437-P
9
)
Electrical Characteristics are over Recommended Operating Conditions unless otherwise stated.
Typical figures are at 25
°
C with nominal + 5V supplies and are for design aid only.
Variations from Standard Loop Electrical Characteristics
(MH88437AD-PI/MH88437AS-PI) (+70C to +85C)
Characteristics
Sym
Min
Typ
Max
Units
Test Conditions
1
Operating Loop Current
16
60
80
mA
mA
CL\=0
CL\=1
DC Electrical Characteristics
Characteristics
Sym
Min
Typ
Max
Units
Test Conditions
1
Supply Current
I
CC
V
OL
V
OH
V
IL
V
IH
I
IL
I
IH
VCM
5
mA
V
DD
(= 5.0V, On-hook)
I
OL
= 4mA
I
OH
= 0.4mA
2
RV,
LCD
Low Level Output Voltage
High Level Output Voltage
2.4
0.4
V
V
3
LC
Low Level Input Voltage
High Level Input Voltage
Low Level Input Current
High Level Input Current
2.0
0
350
0.8
60
400
V
V
μ
A
μ
A
V
IL
= 0.0V
V
IH
= 5.0V
Use coupling caps for
higher voltages and single
ended
4
VR+
VR-
DC common mode
0
2
VCC
VDC
AC Electrical Characteristics
Characteristics
Sym
Min
Typ
Max
Units
Test Conditions
1
Input Impedance
VR-
VR+
47k
94k
2
Output Impedance at VX
10
dB
3
Receive Gain (VR to 2-Wire)
-1
0
1
Test circuit (Figure 8)
Input 0.5V at 1kHz
4
Frequency Response Gain
(relative to Gain @ 1kHz)
-0.5
0
0.5
dB
ILOOP = 15-60mA
300Hz to 3400 Hz
5
Signal Output Overload Level
at 2-Wire
at VX
0
0
dBm
dBm
THD < 5% @ 1kHz
I
LOOP
= 25-60mA
VCC = 5V
6
Signal/Noise & Distortion
at 2-Wire
at VX
SINAD
70
70
dB
dB
Input 0.5V at 1kHz
I
LOOP
= 25-60mA
300-3400Hz
7
Power Supply Rejection Ratio
at 2-Wire
at VX
PSRR
25
25
40
40
dB
dB
Ripple 0.1Vrms 1kHz on
V
DD
8
Transhybrid Loss
THL
16
25
dB
Test circuit (Figure 8)
300-3400Hz at V
R
@ 1kHz
9
2-Wire Input Impedance
Zin
Note 3
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MH88437 | Data Access Arrangement Advance Information |
| MH88437AS-PI | Data Access Arrangement Advance Information |
| MH88437AS-P | Data Access Arrangement Advance Information |
| MH88437-P | Data Access Arrangement Advance Information |
| MH88437AD-P | Data Access Arrangement Advance Information |
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