ONET1130EC Texas instruments

ONET1130EC

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ONET1130EC

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Описание

The ONET1130EC is a 2.5 V integrated modulator driver and limiting amplifier with transmit and receive clock and data recovery (CDR) designed to operate between 9.80 Gbps and 11.7 Gbps without the need for a reference clock. Optical and electrical loopback are included. CDR bypass mode can be used for operation at lower data rates and a two-wire serial interface allows digital control of the features. 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 are available to improve the optical eye mask margin. Bias current for the laser is provided and an integrated automatic power control (APC) loop to compensate for variations in average optical power over voltage, temperature and time is included. The receive path consists of a limiting amplifier with programmable equalization and threshold adjustment, a multi-rate CDR and output de-emphasis to compensate for frequency dependent loss of connectors, microstrips or striplines connected to the output of the device, The receiver output amplitude and loss of signal assert level can be adjusted. The ONET1130EC contains internal analog to digital and digital to analog converters to support transceiver management and eliminate the need for special purpose microcontrollers. The transceiver is characterized for operation from –40°C to 100°C case temperatures and is available in a small footprint 4mm × 4mm, 32 pin RoHS compliant VQFN package.

Dual CDR with 9.80-11.7 Gbps Reference-Free
Operation
2-Wire Digital Interface with Integrated DACs and
ADC for Control and Diagnostic Management
Output Polarity Select for TX and RX
Programmable Jitter Transfer Bandwidth
Electrical and Optical Loopback.
CDR Bypass Mode for Low Data Rate Operation
Integrated Modulator Driver with Output Amplitude
up to 2 V_PP Single-ended and Bias Current
up to 150 mA Source.
Automatic Power Control (APC) Loop with
Selectable Monitor PD Range
Programmable TX Input Equalizer
TX Cross-Point Adjust and De-Emphasis
Includes Laser Safety Features
Integrated Limiting Amplifier with Programmable
LOS Threshold
Adjustable RX Equalization and Input Threshold
Programmable RX Output Voltage and De-
emphasis.
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

Type	CDR and transceiver
Data rate (max) (MBits)	11700
Features	2-wire digital interface control, APC loop, CDR bypass modes, Optical and electrcial loopback modes, Pin compatible to the ONET1130EP, RX LOS, TX and RX CDRs, TX and Rx de-emphasis and cross-point control, TX input equalizer
Supply current (typ) (µA)	225000
Imod (A)	0.15
Supply current (max) (µA)	266000
Deterministic jitter (typ) (ps)	4
Operating temperature range (°C)	-40 to 100