VSC7969 データシートの表示（PDF） - Vitesse Semiconductor

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VSC7969

3.125Gb/s Integrated Transimpedance and Limiting Amplifier with Signal Detect

Vitesse Semiconductor 

VITESSE

SEMICONDUCTOR CORPORATION

Advance Product Information

VSC7969

3.125Gb/s Integrated Transimpedance

and Limiting Amplifier with Signal Detect

Table 3: Pad Coordinates

Signal

Name

GND

BG_VREF

GND

SD_TP

SD_ADJ

Pad

Number

1

2

3

4

5

Coordinates (µm)

X

Y

130

250

130

375

130

500

130

625

130

750

VOUTN

6

137

875

SD_OUT

GND

VOUTN

GND

VOUTP

GND

IMON

VOUTP

GMD

CSDN

CSDP

GND

GND

GND

GND

FILTER

IN

GND

VCCS

VCCD

7

280

875

8

405

875

9

530

875

10

655

875

11

780

875

12

905

875

13

1030

875

14

1173

875

15

1180

750

16

1180

625

17

1180

500

18

1180

375

19

1180

250

20

1030

125

21

905

125

22

780

125

23

530

125

24

405

125

25

280

125

26

137

125

Description

Negative power supply rail (typically 0V)

Band Gap voltage reference 1.24V for testpoint, no connect

Negative power supply rail (typically 0V)

Signal Detect test point, DO NOT CONNECT.

Signal Detect threshold adjustment (see Application amd Usage

section)

Complementary logic output (logic LOW when photocurrent is

HIGH)

Signal detect output (logic HIGH when photocurrent exceeds

SDA)

Negative power supply rail (typically 0V)

Complementary logic output (logic LOW when photocurrent is

HIGH)

Negative power supply rail (typically 0V)

Positive logic output (logic HIGH when photocurrent is HIGH)

Negative power supply rail (typically 0V)

Photocurrent Monitor

Positive logic output (logic HIGH when photocurrent is HIGH)

Negative power supply rail (typically 0V)

Test point for Signal Detect capacitor. DO NOT CONNECT.

Test point for Signal Detect capacitor. DO NOT CONNECT.

Negative power supply rail (typically 0V)

Negative power supply rail (typically 0V)

Negative power supply rail (typically 0V)

Negative power supply rail (typically 0V)

Photodetector cathode connection (filtered VCC)

Photodetector anode connection

Negative power supply rail (typically 0V)

Positive power supply rail for 3.3V operation

Positive power supply rail for 5V operation

G52355-0, Rev 2.0

02/09/01

© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012

Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com

Internet: www.vitesse.com

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