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See Technical Specifications

ONET8501VRGPT

11.3-Gbps differential VCSEL driver with output waveform shaping

Manufacturer: Texas Instruments, Inc
Mfr.Part #: ONET8501VRGPT
Datasheet: ONET8501VRGPT Datasheet (PDF)
Type: Laser Diode Driver (Fiber Optic)
Data Rate: 11.3Gbps
Number of Channels: 1
Voltage - Supply: 2.95V ~ 3.6V
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ONET8501VRGPT General Description

The ONET8501V is a high-speed, 3.3V laser driver designed to directly modulate VCSELs at data rates from 2 Gbps up to 11.3 Gbps.

The device provides a two-wire serial interface which allows digital control of the modulation and bias currents, eliminating the need for external components. Output waveform control, in the form of cross point control and independent over- and undershoot capability on the rising and falling edges is also available to improve VCSEL edge speeds and the optical eye diagram. An optional input equalizer can be used for equalization of up to 300mm (12 inch) of microstrip or stripline transmission line on FR4 printed circuit boards.

The ONET8501V includes an integrated automatic power control (APC) loop as well as circuitry to support laser safety and transceiver management systems. The VCSEL driver is characterized for operation from -40°C to 85°C ambient temperatures and is available in a small footprint 4mm × 4mm 20 pin RoHS compliant QFN package.

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Key Features

Up to 11.3 Gbps Operation
2-Wire Digital Interface
Digitally Selectable Modulation Current up to 24 mApp Differential
Digitally Selectable Bias Current up to 20 mA
Automatic Power Control (APC) Loop
Supports Transceiver Management System (TMS)
Programmable Input Equalizer
Output Waveform Control
Includes Laser Safety Features
Analog Temperature Sensor Output
Selectable Monitor Photodiode Current Range
Output Polarity Select
Single 3.3V Supply
Operating Temperature -40°C to 85°C
Surface Mount Small Footprint 4mm × 4mm 20 Pin RoHS compliant QFN Package
APPLICATIONS
- 10 Gigabit Ethernet Optical Transmitters
- 8x and 10x Fibre Channel Optical Transmitters
- SONET OC-192/SDH STM-64 Optical Transmitters
- SFP+ and XFP Transceiver Modules
- XENPAK, XPAK, X2 and 300-pin MSA Transponder Modules

Specifications

Category	Integrated Circuits (ICs)Power Management (PMIC)Laser Drivers	Mfr	Texas Instruments
Series	-	Package	Tape & Reel (TR)Cut Tape (CT)Digi-Reel®
Product Status	Active	Type	Laser Diode Driver (Fiber Optic)
Data Rate	11.3Gbps	Number of Channels	1
Voltage - Supply	2.95V ~ 3.6V	Current - Supply	90 mA
Current - Modulation	24mA	Current - Bias	20 mA
Operating Temperature	-40°C ~ 85°C	Supplier Device Package	20-QFN (4x4)
Mounting Type	Surface Mount	Base Product Number	ONET8501