LG1626DXC データシートの表示（PDF） - Agere -> LSI Corporation

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LG1626DXC

Modulator Driver

Agere -> LSI Corporation 

Data Sheet

February 1999

Pin Information (continued)

LG1626DXC Modulator Driver

GND

VIN

GND

GND

VIN

VTH

1

18

2

17

3

LG1626DXC

16

MODULATOR

4

DRIVER

15

5

14

6

13

VDC-ADJ

VOUT-DC

VOUT

GND

GND

GND

Note: Figure is not to scale.

Figure 3. LG1626DXC Package Pinout

5-6551(F)

Table 1. LG1626DXC Pin Description

Symbol

GND

VIN

V-----I--N--

V-----T----H--

BG2P5

MOD_E

MK

MK

VOUT

VOUT-DC

VDC-ADJ

VSS2

VSS3

VMOD

VSS1

VTH

Pin

1, 3, 4, 9, 10, 13, 14, 15,

Package Bottom

2

5

6

7

8

11

12

16

17

18

19

20

21

22, 23

24

Description

Ground. For optimum performance, the package bottom must be

soldered to the ground plane.

Data input.

Complementary data input.

Complementary threshold control (eye crossing) input.

–2.5 V band-gap reference (National Semiconductor * LM4040).

Modulation enable (connect to VSS1 to enable, float to disable).

Complementary mark density output.

Mark density output.

Output, ac couple to 50 Ω modulator.

Output, modulator dc offset.

Modulator dc offset control input.

VSS2 supply –5.2 V for output prebias.

VSS3 supply –5.2 V for output modulation.

Output modulation control input.

VSS1 supply –5.2 V.

Threshold control (eye crossing) input.

* National Semiconductor is a registered trademark of National Semiconductor Corporation.

Lucent Technologies Inc.

3

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