Clock and Data Recovery (CDR)
  • GN1113
  • 8.5 Gbps Fibre Channel Rx Repeater
  • GN1114
  • 8.5 Gb/s CDR with Equalizer Input and VCSEL Driver
  • GN2003S
  • 9.95 - 11.3 Gb/s Limiting Amplifier plus Clock and Data Recovery
  • GN2004S
  • 9.95 - 11.3 Gb/s Equalizer plus Clock and Data Recovery
  • GN2010D
  • Dual 8.5G & 10G CDR with integrated DML driver and limiting amplifier
  • GN2010E
  • Dual 8.5G & 10G CDR with intergrated EML driver and limiting amplifier
  • GN2012
  • Dual 8.5G & 10G CDR with integrated limiting amplifier
  • GN2013A
  • Limiting Amplifier plus Clock and Data Recovery IC with Manual Slice Level Adjust
Semtech GN7152

Semtech GN7152

Multi-Rate CDR with EML Driver

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The GN7152 is an integrated CDR and EML laser driver for PON OLT, 10GBase-ER/ZR Ethernet and 8.5Gb/s Fibre Channel applications. It is a highly-integrated, low-power, small-footprint device, that is ideal for small form factor optical modules.

The GN7152 includes optional input equalization, a multi-rate CDR and an EML laser driver. The GN7152 offers a highly-configurable eye shaping feature, including independently programmable rise and fall pre-emphasis, which allows for an optimal electrical and optical output. The GN7152 also offers the option for polarity-invert and output mute.


  • CDR with 8.5Gb/s, 9.95 to 11.3Gb/s,
  • and 10.3 to 11.7Gb/s reference-free operation
  • Integrated laser bias and driver for electo-absorption
  • modulators (EAMs) and modulated lasers (EMLs)
  • Differential input amplitudes as small as 120mVppd
  • Digital control through I2C or SPI interface
  • Programmable jitter transfer bandwidth
  • On-chip Automatic Power Control (APC) loop
  • Polarity invert and output mute available
  • Programmable output pre-emphasis
  • Mission-mode eye monitor
  • PRBS Generator and Checker
  • Programmable input equalization
  • Programmable LOS with adjustable threshold and
  • hysteresis
  • Programmable sampling phase adjust
  • Programmable fault signalling
  • Integrated analog to digital converter, which provides
  • access to digital diagnostic information on supply
  • voltage, die temperature, and transmit optical power
  • Single 3.3V supply (+5%/-10%)
  • Power dissipation:
  • 730mW typical, with 1.9Vpp single-ended
  • modulation voltage and 90mA bias current
  • Integrated laser safety features
  • 5x5 32-pin QFN package
  • -40°C to 95°C case operation


  • PON OLT transceivers
  • XFP & SFP+ 10GBase-ER/ZR optical transceivers
  • XFP & SFP+ extended-reach 8.5 Gb/s Fibre Channel
  • XFP DWDM optical transceivers

Order Codes

  • GN7152-INE3: 32-pin QFN
  • GN7152-INTE3D: 32-pin QFN (500pc tape and reel)
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