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ONET1131ECRSMT

Externally modulated laser driver with integrated clock & data recovery (CDR)

Produttore:

Texas Instruments, Inc
ProduttorePart #:

ONET1131ECRSMT
Scheda dati:

ONET1131ECRSMT Scheda dati (PDF)
Function:

Modulator
Applications:

Driver
Number of Channels:

2
Interface:

I²C
EDA/CAD Modelli:

Richiedi modelli CAD gratuiti per ONET1131ECRSMT

E-mail: [email protected]

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ONET1131ECRSMT Descrizione generale

The ONET1131EC is a 2.5-V EML modulator driver with transmit clock and data recovery (CDR) designed to operate between 9.8 Gbps and 11.7 Gbps without the need for a reference clock. CDR bypass mode can be used for operation at lower data rates and a two-wire serial interface allows digital control of features like output polarity select and input equalization.

The transmit path consists of an adjustable input equalizer for equalization of up to 300 mm (12 inches) of microstrip or stripline transmission line of FR4 printed circuit boards, a multi-rate CDR and an output modulator driver. Output waveform control, in the form of cross-point adjustment and de-emphasis, is available to improve the optical eye mask margin. The device provides bias current for the laser and an integrated automatic power control (APC) loop to compensate for variations in average optical power over voltage, temperature and time.

The ONET1131EC contains internal analog to digital and digital to analog converters to support transceiver management and eliminate the need for special purpose microcontrollers.

Caratteristiche principali

Modulator Driver with Minimum Output Amplitude up to 2 Vpp Single-Ended and Bias Current up to 150 mA Source
Supports Externally Modulated Lasers Including the Electro-Absorption Modulator Lasers (EML) and the Mach-Zahnder Modulator (MZM) Based lasers
Integrated CDR with 9.80 – 11.7 Gbps Reference-Free Operation
Two-Wire Digital Interface with Integrated DACs and ADC for Control and Diagnostic Management
Output Polarity Select
Programmable Jitter Transfer Bandwidth to Adjust CDR Bandwidth
CDR Bypass Mode for Low Data Rate Operation
Automatic Power Control (APC) Loop with Selectable Monitor PD Range
Programmable Transmit Input Equalizer
Transmitter Cross-Point Adjust and De-Emphasis
Includes Laser Safety Features
Power Supply Monitor and Temperature Sensor
Single 2.5 V Supply
–40°C to 100°C Operation
Surface Mount 4 mm × 4 mm 32-Pin QFN Package with 0.4 mm Pitch

Specifiche

Category	Integrated Circuits (ICs)Audio Special Purpose	Series	-
Function	Modulator	Applications	Driver
Number of Channels	2	Interface	I²C
Voltage - Supply	2.37V ~ 2.63V	Operating Temperature	-40°C ~ 100°C (TA)
Specifications	-	Mounting Type	Surface Mount
Base Product Number	ONET1131

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