LG1627BXC データシートの表示（PDF） - Agere -> LSI Corporation
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LG1627BXC Datasheet PDF : 10 Pages
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Data Sheet
May 2001
Pin Information
LG1627BXC Clocked Laser Driver
VTH
VIN
VIN
GND
CLK
CLK
24 23 22 21 20 19
1
18
2
17
3
16
4
15
5
14
6
13
7 8 9 10 11 12
VPRE
IOUT-PRE
IOUT
IOUT
GND
GND
Figure 3. Pin Diagram
5-6551(F).br.3
Table 1. Pin Descriptions
Pin
1
2
3
4, 13, 14,
package
bottom
5
6
7
8
9
10
11
12
15, 16
17
18
19
20
21
22, 23
24
Symbol
VTH
VIN
VIN
GND
CLK
CLK
BG2P5
MOD_E
PWP
PWN
MK
MK
IOUT
IOUT-PRE
VPRE
VSS2
VSS3
VMOD
VSS1
CLK_E
Description
Capacitor to ground (data input reference).
Data input.
Complementary data input.
Ground. For optimum performance, the package bottom must be soldered to the
ground plane.
Clock input.
Complementary clock input.
−2.5 V band-gap reference (National Semiconductor* p/n LM4040).
Modulation enable (connect to VSS1 to enable, float to disable).
Pulse width adjust positive.
Pulse width adjust negative.
Complementary mark density output.
Mark density output.
Output modulation current (dc coupled to laser cathode).
Output prebias current.
Prebias control input.
VSS2 supply −5.2 V for output prebias.
VSS3 supply −5.2 V for output modulation.
Modulation current control input.
VSS1 supply −5.2 V.
Clock enable (connect to VSS1 to enable, float to disable).
* National Semiconductor is a registered trademark of National Semiconductor Corporation.
Agere Systems Inc.
3
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