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
  • GN2012
  • Dual 8.5G & 10G CDR with integrated limiting amplifier
  • GN2013A
  • Limiting Amplifier plus Clock and Data Recovery IC with Manual Slice Level Adjust
  • GN2014A
  • XFP Tx Signal Conditioner with VCSEL Driver
Semtech GN2010E

Semtech GN2010E

Dual 8.5G & 10G CDR with intergrated EML driver and limiting amplifier

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The GN2010E is an integrated bi-directional CDR, EML laser driver and limiting amplifier for XFP & SFP+ SONET, 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 transmit path consists of optional input equalization, a multi-rate Tx CDR, and an EML laser driver. The receive path is comprised of a limiting amplifier with programmable equalization, a multi-rate Rx CDR, and output de-emphasis. The transmit direction offers a highly-configurable eye shaping feature, including independently programmable rise and fall pre-emphasis, which allows for an optimal electrical and optical output. Both directions offer the option for polarity-invert, loopback, and output mute.

The GN2010E has an integrated analog to digital converter, which through the serial interface, provides digital diagnostic information on supply voltage, die temperature, and transmit optical power. The GN2010E is configurable for multi-rate operation. The GN2010E also offers integrated laser safety features.

The GN2010E device is packaged in a small-outline 5mm × 5mm 32-pin, high-frequency QFN package with exposed pad. The GN2010E is Pb-free, and the encapsulation compound does not contain halogenated flame retardant. This component and all homogeneous sub-components are RoHS compliant.


  • Dual CDR with 8.5Gb/s, 9.95-11.3Gb/s and 10.3-11.7Gb/s reference-free operation
  • Integrated laser bias and driver for electo-absorption modulators (EAMs) and modulated lasers (EMLs)
  • Integrated limiting amplifier with sensitivity less than 7mV
  • Digital control through I2C or SPI interface
  • Programmable Jitter Transfer bandwidth
  • Supports Automatic Power Control (APC) loop
  • Bi-directional loopback
  • Polarity invert and output available in both transmit and receive direction
  • Programmable Rx output de-emphasis
  • Programmable Tx output pre-emphasis
  • Mission-mode eye monitor
  • PRBS Generator and Checker
  • Programmable Limiting Amplifier Equalization
  • Programmable Transmit Input Equalization
  • Programmable Input Slice Level Adjust
  • Programmable LOS with adjustable threshold and hysteresis
  • Programmable Sampling Phase Adjust
  • Programmable Tx 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%)
  • Integrated laser safety features
  • 5x5 32-pin QFN package
  • -40°C to 95°C case operation
  • Laser bias current up to 120mA
  • Option for source or sink bias current
  • Modulation swing of up to 2.5Vpp single-ended
  • 2x 50? single-ended terminations
  • Transmitter disable pin
  • Crossing point adjustment
  • Independently programmable rise and fall de-emphasis
  • Jitter Optimization with Phase Adjust feature
  • Optional on-chip APC loop
  • Programmable Tx Fault signalling
  • Programmable peaking control


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

Order Codes

Part Number Package
GN2010E-INE3 32-QFN
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