Products > Integrated Circuits (ICs) > Amplifier ICs > SY88403BLMG-TR
SY88403BLMG-TR 16-VFQFN, 16-MLF?
  • SY88403BLMG-TR
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3.3V 155-4, 250Mbps CML Post Amp, 16 VQFN 3x3x0.9mm T/R

Manufacturer :
Microchip Technology, Inc
Package/Case :
16-VFQFN, 16-MLF?
Product Categories :
Linear - Amplifiers - Special Purpose
RoHs Status:
Lead free / RoHS Compliant

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SY88403BLMG-TR Product Details

The SY88403BLMG-TR is a low-power limiting post amplifier optimized for copper applications. The device connects to typical transimpedance amplifiers (TIAs). The linear signal output from TIAs can contain significant amounts of noise and may vary in amplitude over time. The SY88403BLMG-TR quantizes these signals and outputs typically 800mVPP voltage-limited waveforms.The SY88403BLMG-TR operates from a single +3.3V ±10% power supply, over an industrial temperature range of -40°C to +85°C. With its wide bandwidth and high gain, signals with data rates up to 4.25Gbps and as small as 20mVPP can be amplified to drive devices with CML inputs or AC-coupled PECL inputs.The SY88403BLMG-TR incorporates a loss-of-signal (LOS) open-collector TTL output with internal 4.75kΩ pull-up resistor. A programmable loss-of-signal level set pin (LOSLVL) sets the sensitivity of the input amplitude detection. LOS asserts high if the input amplitude falls below the threshold set by LOSLVL and de-asserts low otherwise. LOS can be fed back to the enable bar (/EN) input to maintain output stability under a loss of signal condition. /EN de-asserts the true output signal without removing the input signal. Typically 3.5dB LOS hysteresis is provided to prevent chattering.


  • Multi-rate up to 4.25Gbps operation
  • 20mVPP input sensitivity
  • Low noise 50Ω CML data outputs
    • 800mVPP output swing
    • 60ps edge rates
    • 1psRMS typ. random jitter
    • 10psPP typ. deterministic jitter
  • Chatter-free Loss-of-Signal (LOS) output
    • 3.5dB electrical hysteresis
  • OC-TTL output with internal 4.75kΩ pull-up resistor
  • Programmable LOS sensitivity using single external resistor
  • Internal 50Ω data input termination
  • TTL /EN input allows feedback from LOS
  • Wide operating range:
  • Single 3.3V ±10% power supply
  • ndustrial temperature range: -40°C to +85°C
  • Available in a 10-pin EPAD-MSOP and 16-pin MLF® package

Technical Parameters

Type Limiting Postamplifier Package / Case 16-VFQFN Exposed Pad, 16-MLF?
Applications Optical Networks Supplier Device Package 16-MLF? (3x3)
Mounting Type Surface Mount

SY88403BLMG-TR Documents

  • SY88403BL Technical Documentation of Application Note

SY88403BLMG-TR Related Products

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