MH88622, MH88631, MH88631-2 Selling Leads, Datasheet
MFG:MITEL D/C:99+
MH88622, MH88631, MH88631-2 Datasheet download
Part Number: MH88622
MFG: MITEL
Package Cooled:
D/C: 99+
MH88622, MH88631, MH88631-2
- Table of contents:
Info of MH88622
Info of MH88631
Info of MH88631-2
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About MH88622
PDF/DataSheet Download
Datasheet: MH88622
File Size: 97812 KB
Manufacturer: MITEL [Mitel Networks Corporation]
Download : Click here to Download
About MH88631
PDF/DataSheet Download
Datasheet: MH88631
File Size: 89102 KB
Manufacturer: MITEL [Mitel Networks Corporation]
Download : Click here to Download
About MH88631-2
PDF/DataSheet Download
Datasheet: MH88631-2
File Size: 89102 KB
Manufacturer: MITEL [Mitel Networks Corporation]
Download : Click here to Download
MH88622 General Description
The Mitel MH88622 is a Dual Subscriber Interface Circuit which provides a complete interface between the telephone lines a dual codec, requiring a dual rail supply, battery and dc supply for ringing generation. The functions provided by the MH88622 includes 2-4 Wire conversion, constant current line feed, signalling and control. The SLIC manufactured using thick film hybrid technology which offers high voltage capability, reliability and high density resulting in a significant area saving on the printed circuit board. A complete C.O. type solution can be implemented with minimal external components. Different variants are provided to meet different country line impedance, they are:
-1 220 + (820 // 115nF)
-2 600
-3 370 + (620 // 310nF)
-5 200 + (680 // 100nF)
-1 220 + (820 // 115nF)
-2 600
-3 370 + (620 // 310nF)
-5 200 + (680 // 100nF)
MH88622 Maximum Ratings
|
Parameter |
Symbol |
Min |
Max |
Units | |
|
1 |
Supply Voltages - Referenced to VSS (GND) |
VEE |
+0.3 |
-15 |
V |
|
VDD |
-0.3 |
+15 |
V | ||
|
VDCRI |
-0.3 |
+180 |
V | ||
|
VBat |
-60 |
0.3 |
V | ||
|
2 |
Operating Temperature |
TAMB |
-40 |
+85 |
°C |
|
3 |
Storage Temperature |
TS |
-55 |
+125 |
°C |
MH88622 Features
• Dual SLIC
• Ringing generation
• On-hook transmission
• Transformerless 2-4 wire conversion
• Constant current feed
• Battery Feed to the line
• Tip Ring reversal capability
• Over current protection
• Off-Hook detection
• Logic interface for SHK, RC, LR, ESE, LCS
• Metering injection
• Wide VBat operating range
• Minimum installation space
• ESE ramped output
• Ringing generation
• On-hook transmission
• Transformerless 2-4 wire conversion
• Constant current feed
• Battery Feed to the line
• Tip Ring reversal capability
• Over current protection
• Off-Hook detection
• Logic interface for SHK, RC, LR, ESE, LCS
• Metering injection
• Wide VBat operating range
• Minimum installation space
• ESE ramped output
MH88622 Typical Application
• Pair Gain
• CT2
• Cordless local loops
• CT2
• Cordless local loops
MH88622 Connection Diagram
MH88631 Parameters
- Transformerless 2-4 wire conversion
- Line state detection outputs: forward current, reverse current, ring ground, tip ground, ringing voltage
- Programmable audio transmit and receive gain
- Loop start or ground start termination
- Selectable 600 ohms or AT&T compromise balance network
- -1 version: 20 Hz Ringing Voltage
- -2 version: 50 Hz Ringing Voltage
MH88631 General Description
Central Office Interface (LS/GS)
MH88631 Maximum Ratings
|
Parameter |
Sym |
Min. |
Max |
Units | |
|
1
|
DC Supply Voltages) |
VDD - GNDD |
-0.3 |
+6.0 |
V |
|
VEE - GNDD |
-6.0 |
+0.3 |
V | ||
|
VCC+ -GNDA |
+18.0 |
V | |||
|
VCC -GNDA |
-18.0 |
V | |||
|
2 |
Storage Temperature |
TSTG |
-55 |
+125 |
°C |
MH88631 Features
- Transformerless 2-4 wire conversion
- Line state detection outputs: forward current, reverse current, ring ground, tip ground, ringing voltage
- Programmable audio transmit and receive gain
- Loop start or ground start termination
- Selectable 600 ohms or AT&T compromise balance network
- -1 version: 20 Hz Ringing Voltage
- -2 version: 50 Hz Ringing Voltage
MH88631 Typical Application
MH88631 Datasheet
MH88631 Connection Diagram
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