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參數(shù)資料
| 型號： | LG1628AXA |
| 廠商： | Lineage Power |
| 元件分類： | 運動控制電子 |
| 英文描述： | SONET/SDH 2.488 Gbits/s Transimpedance Amplifier(SONET/SDH 2.488G位/秒互阻抗放大器) |
| 中文描述： | SONET / SDH的2.488 Gb /秒阻放大器（SONET / SDH的2.488G位/秒互阻抗放大器） |
| 文件頁數(shù)： | 3/12頁 |
| 文件大小： | 242K |
| 代理商： | LG1628AXA |
Preliminary Data Sheet
January 1998
LG1628AXA SONET/SDH 2.488 Gbits/s
Transimpedance Amplifier
3
Lucent Technologies Inc.
Die Pad Configuration
(continued)
The pad descriptions for the LG1628AXA are given in Table 1.
Table 1. Pad Descriptions
Pad
1
Symbol
IN+
GND
BYPASS
OP2
OP1
OP1–
OP1+
OP2–
OP2+A
OP2+B
Description
Amplifier input; connect to detector anode, current should enter this node.
Ground.
Connections between these nodes and an external dual op amp form the over-
load control circuitry. See the test circuit in Figure 4 for wiring details.
To operate the amplifier without overload control connect OP2
OP1
OUT
to GND, and leave BYPASS and the remaining op amp connections
open (Figure 5).
2, 19, 23
3
4
5
6
7
8
9
10
1
OUT
to V
SS
,
OUT
OUT
11
12
V
V
GND
OUT–
OUT+
BG
SS1
Supply voltage; –5.2 Vdc nominal.
Supply voltage; –5.2 Vdc nominal.
Ground.
Inverted data output (produces low-level output for current entering IN+).
Noninverted data output (produces high-level output for current entering IN+).
Connection for external –2.5 Vdc voltage reference (typically use an Si band-
gap).
Do not connect; internal test point or reserved for future use.
Inverting input; must provide ac bypass to ground when using overload control.
SS2
13, 16, 18
14
15
17
2
20, 21, 22
24
DNC
IN–
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