VSC7975 查看數據表（PDF） - Vitesse Semiconductor
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VSC7975 Datasheet PDF : 2 Pages
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TRANSPORT PRODUCTS
VSC7975, VSC7977
1/2/4 Gbps Multirate Transimpedance Amplifier
APPLICATION DIAGRAM:
VCSEL
VSC7977
Receiver
VSC7964
Limiting
Amplifier
and
VCSEL
Driver
Micro
Controller
Tx
Controls/Faults
Two-wire
interface
Rx
FEATURES:
Dual Bandwidth Selection
6kΩ Differential Transimpednace
Linear Optical Power Monitor
On-chip Photo Diode Filter
Extended Operating Temperature
Available as Bare Dice or in a 5-pin TO-46 Package
SPECIFICATIONS:
Input Noise: 400nA
Supply Current: 30mA
Sensitivity at 4.25G (in OMA): 18.4dBm
Max Input Current: 2.2 mA
Supply Voltage: 3.3V
Operating Temp: -40C to +105C (Case)
BENEFITS:
Allows the User to Optimize the Bandwidth of the TIA to the Incoming Optical
Line Rate, which Improves the Optical Input Sensitivity at Lower Data Rates and
Provides Superior Interoperability with Legacy Optical Devices
Provides High Gain and Improved Sensitivity
Facilitates an Accurate Measurement of the Incoming Optical Power, Enhancing the
Diagnostics Capabilities of the System without Using External Components
Provides a Positive Bias to the Photodetector, Eliminating the Need for External
Components
Supports Industrial Temperature Applications
Available in a TO-46 Package, Reducing the Time and Costs Associated with the
Design, Assembly and Test of the Receiver
APPLICATIONS:
Gigabit Ethernet Transceivers
Fibre Channel Transceivers (1x, 2x and 4x)
Infiniband Transceivers
PB-VSC7975,7977-001
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