ONET1130EC 11.7-Gbps transceiver with dual CDRs & integrated modulator driver | TI.com

ONET1130EC
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11.7-Gbps transceiver with dual CDRs & integrated modulator driver

 

Description

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.

Features

  • 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 VPP 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

Parametrics

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Part number Order Device type Data rate (Max) (Gbps) Features VCC (V) ICC (Typ) (mA) Package Group Imod (mA) ICC (Max) (mA) DJ (Typ) (ps) Tf-out (Typ) (ps) Tr-out (Typ) (ps) Package size: mm2:W x L (PKG) Operating temperature range (C)
ONET1130EC Order now CDR and transceiver     11.7     2-wire digital interface control
APC loop
CDR bypass modes
Optical and electrcial loopback modes
Pin compatible to the ONET1130EP
RX LOS
TX input equalizer
TX and RX CDRs
TX and Rx de-emphasis and cross-point control    
2.5     225     VQFN | 32     150     266     4     30     30     32VQFN: 16 mm2: 4 x 4 (VQFN | 32)     -40 to 100    
ONET1131EC Order now CDR and transceiver     10     2-wire digital interface control
APC loop
CDR bypass modes
Optical and electrcial loopback modes
Pin compatible to the ONET1130EP
TX input equalizer    
2.5     200     VQFN | 32     150     200     4     30     30     32VQFN: 16 mm2: 4 x 4 (VQFN | 32)     -40 to 100