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See Technical Specifications

ONET1191VRGPT

11.3-Gbps differential VCSEL driver

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

ONET1191VRGPT
Datasheet:

ONET1191VRGPT Datasheet (PDF)
Type:

Laser driver
Data rate (max) (MBps):

11300
Features:

2-wire interface, Automatic power control loop, Bias current digital select, Modulation current digital select
Supply current (typ) (µA):

35000
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ONET1191VRGPT General Description

The ONET1191V is a high-speed, 3.3-V laser driver designed to directly modulate VCSELs at data rates 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. An optional input equalizer can be used for equalization of up to 300 mm (12 inches) of microstrip or stripline transmission line on FR4 printed-circuit boards.

The ONET1191V 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, 4-mm × 4-mm, 20-pin QFN package.

Key Features

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

Specifications

Type	Laser driver	Data rate (max) (MBps)	11300
Features	2-wire interface, Automatic power control loop, Bias current digital select, Modulation current digital select	Supply current (typ) (µA)	35000
Imod (A)	0.045	Supply current (max) (µA)	72000
Deterministic jitter (typ) (ps)	4	Operating temperature range (°C)	-40 to 85
feature-type	VCSEL	feature-data-rate-gbps	11.3
feature-number-of-channels-per-chip	1	feature-minimum-operating-supply-voltage-v	2.9
feature-maximum-operating-supply-voltage-v	3.6	feature-packaging	Tape and Reel
feature-pin-count	20	feature-cecc-qualified	No
feature-military	No	feature-aec-qualified	No
feature-eccn-code	5A991B1	feature-svhc	No
feature-svhc-exceeds-threshold	No