|
|
MH88600のメーカーはMitel Networksです、この部品の機能は「Global SLIC Preliminary Information」です。 |
部品番号 | MH88600 |
| |
部品説明 | Global SLIC Preliminary Information | ||
メーカ | Mitel Networks | ||
ロゴ | |||
このページの下部にプレビューとMH88600ダウンロード(pdfファイル)リンクがあります。 Total 14 pages
MH88600
®
Global SLIC
Preliminary Information
Features
• Programmable line impedance matching
• Internal complex impedance networks
• Transformerless 2-4 wire conversion
• Programmable transmit/receive gain
• Accommodates worldwide transmission
standards
• Operates with a wide range of battery voltages
• Adjustable constant current battery feed
• Overvoltage and short circuit protection
• Switch hook and ground button detection
• Ring trip filter and relay driver
• Low power consumption
• High power dissipation capability during fault
conditions
ISSUE 7
April 1995
Ordering Information
MH88600
40 Pin DIL Hybrid
0°C to 70°C
Description
The MH88600 is a SLIC (Subscriber Line Interface
Circuit) which provides all of the BORSCH functions
of Battery Feed, Overvoltage Protection, Ringing
Feed, Line Supervision and 2-4 Wire Hybrid
conversion. In addition, the device matches the
many different line impedances specified by
regulatory authorities of around the world.
Applications
Line interface for:
• PABXs
• Control Systems
• Key Telephone Systems
• Central Office Equipment
VREF LCA ZN14 ZN13.................ZN8 ZN7.....................ZN1 ZN0
TF1
TF2
TIP
RING
RF1
RF2
Tip Drive
Over Voltage &
Short Circuit
Protection
Ring Drive
Constant
Current
Battery Feed
Impedance Matching Network
2-4 Wire
Hybrid
Circuit
Gain Adjust
Ring Trip Filter
Line Supervision
Relay Driver
PG2
PG4
TX
PG3
PG1
EGB SHK
Figure 1 - Functional Block Diagram
2-83
1 Page Preliminary Information
MH88600
Pin Description (Continued)
Pin #
Name
Description
21 ZN0 Impedance Node 0. Connect to external network for impedance (Zin) setting. See Table
2 and Figure 8.
22 PG4 Programming 4 (Input). Used for programmable gain and for default gain. Used as 4-
Wire Receive Input for default gain. See Table 3 and Figure 4 and 5.
23 PG2 Programming 2 (Input). Used for programmable gain. Used with resistor for 4-Wire
Receive Input. See Table 3 and Figure 4.
24 PG1 Programming 1 (Input). Used for programmable gain. See Table 3 and Figure 4.
25 PG3 Programming 3 (Input). Used for programmable gain and for default gain. See Table 3
and Figure 4 and 5.
26 TX 4-Wire Transmit Output:
27 ZN1 Impedance Node 1: Connect to other Impedance Nodes for impedance (Zin) setting,
see Table 1. Or, connect to external network for impedance (Zin) setting, see Table 2 and
Figure 8.
28 ZN2 Impedance Node 2: Connect to other impedances Nodes for impedance (Zin) setting.
See Table 1.
29 ZN3 Impedance Node 3: As per ZN2. See Table 1.
30 ZN4 Impedance Node 4: As per ZN2. See Table 1
31 ZN5 Impedance Node 5: As per ZN2. See Table 1
32 ZN6 Impedance Node 6: As per ZN2. See Table 1
33 ZN7 Impedance Node 7: As per ZN2. See Table 1
34 ZN8 Impedance Node 8: As per ZN2. See Table 1
35 ZN9 Impedance Node 9: As per ZN2. See Table 1
36 ZN10 Impedance Node 10: As per ZN2. See Table 1
37 ZN11 Impedance Node 11: As per ZN2. See Table 1
38 ZN12 Impedance Node 12: As per ZN2. See Table 1
39 ZN13 Impedance Node 13: As per ZN2. See Table 1
40 ZN14 Impedance Node 14: Connect to external network for impedance (Zin) setting. See
Table 2 and Figure 8.
.
2-85
3Pages MH88600
Preliminary Information
Absolute Maximum Ratings* - Voltages are with respect to AGND.
Parameters
Sym Min. Max
1 DC Supply Voltages
VDD -0.3
15
VEE +0.3 -15
(GNDA = GNDBat)
VBat +0.3 -80
VRR -0.3
40
2 Storage Temperature
TS -55 125
3 Power Dissipation
PD 4
* Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied.
Units
V
V
V
V
°C
W
.
Recommended Operating Conditions
Characteristics
Sym Min. Typ* Max Units
1 Operating Supply Voltage
VDD 4.75 5.0 5.25
V
VEE -5.25 -5.0 -4.75
V
VBat -72 -48 -24
V
VRR
5 24
V
2 Operating Temperature
TOP 0
70 °C
* Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
Comments
2-88
6 Page | |||
ページ | 合計 : 14 ページ | ||
|
PDF ダウンロード | [ MH88600 データシート.PDF ] |
データシートを活用すると、その部品の主な機能と仕様を詳しく理解できます。 ピン構成、電気的特性、動作パラメータ、性能を確認してください。 |
部品番号 | 部品説明 | メーカ |
MH88600 | Global SLIC Preliminary Information | Mitel Networks |