VSC7960W 查看數據表（PDF） - Vitesse Semiconductor

零件编号

产品描述 (功能)

生产厂家

VSC7960W

3.125Gb/s CML Limiting Amplifier with LOS Detect and Laser Driver with Automatic Power Control

Vitesse Semiconductor 

VITESSE

SEMICONDUCTOR CORPORATION

3.125Gb/s CML Limiting Amplifier with LOS Detect

and Laser Driver with Automatic Power Control

Advance Product Information

VSC7960

Electrical Characteristics

Table 1: Limiting Amplifier DC Specifications

Symbol

Parameter

Min Typ Max Units

Conditions

VCC

ICC

IEE

ICCSQ

IEESQ

ISQ

PSSR

Power Supply Range

Power Supply Current

Power Supply Current

Power Supply Current when Squelched

Power Supply Current when Squelched

Squelch Input Current

Power Supply Rejection Ratio

3.135

3.465 V

31

mA VCC = 3.3V. See Figure 4.

38

mA VCC = 3.3V. See Figure 4.

21

mA VCC = 3.3V. See Figure 4.

24

mA VCC = 3.3V. See Figure 4.

0

400 µA

20 30

dB f < 2MHz

Table 2: Laser Driver DC Specifications

Symbol

Parameter

Min Typ Max Units

Conditions

VCC

Power Supply Voltage Range

ICC

Supply Current Range

IBIAS

Bias Current Range

IBIAS-OFF Bias Off Current

SBIAS

Bias Current Stability

Bias Current Absolute Accuracy

3.125

1

TBD

230

900

±15

3.465

45

100

100

V

mA RMODSET=7.3kΩ, RBIASMAX=4.8kΩ

IBIAS and IMOD excluded, VCC=3.3V

mA Voltage at BIAS pin=(VCC-1.6)

µA ENABLE=low or DISABLE=high(1)

ppm/°C APC open loop. IBIAS=100mA

APC open loop. IBIAS=1mA

% Refers to part-to-part variation.

VRMD Monitor Diode Reverse Bias Voltage

1.5

V

IMD

Monitor Diode Reverse Current Range 18

1000 µA

-480 50

Monitor Diode Bias Setpoint Stability

90

480

ppm/°C

IMD=1mA(1)

IMD=18µA(1)

Monitor Diode Bias Absolute Accuracy -15

15

% Refers to part-to-part variation.

IMOD

Modulation Current Range

5

IMOD-OFF Modulation Off Current

Modulation Current Absolute Accuracy

60

200

±15

mA

µA ENABLE=low or DISABLE=high(1)

% See Note 2

ABIAS

AMOD

Modulation Current Stability

BIASMON to IBIAS Gain

MODMON to IMOD Gain

-480 -50

250

37

29

480 ppm/°C IMOD=60mA

IMOD=5mA

A/A IBIAS/IBIASMON

A/A IMOD/IMODMON

NOTES: (1) Both IBIAS and IMOD will turn off if any of the current set pins are grounded. (2) Assumes laser diode to monitor diode transfer

function does not change with temperature.

Page 2

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

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

Internet: www.vitesse.com

G52359-0, Rev 2.1

05/01/01

Share Link: