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SY88843V

Micrel Semiconductor
Part Number SY88843V
Manufacturer Micrel Semiconductor
Description 3.3V/5V 3.2Gbps CML LOW-POWER LIMITING POST AMPLIFIER w/TTL SD
Published Dec 14, 2006
Detailed Description www.DataSheet4U.com Micrel, Inc. 3.3V/5V 3.2Gbps CML LOW-POWER LIMITING POST AMPLIFIER w/TTL SD SY88843V SY88843V F...
Datasheet PDF File SY88843V PDF File

SY88843V
SY88843V


Overview
www.
DataSheet4U.
com Micrel, Inc.
3.
3V/5V 3.
2Gbps CML LOW-POWER LIMITING POST AMPLIFIER w/TTL SD SY88843V SY88843V FEATURES s Multi-rate up to 3.
2Gbps operation s Wide gain-bandwidth product • 38dB differential gain • 2GHz 3dB bandwidth s Low noise 50Ω CML data outputs • 800mVPP output swing • 60ps edge rates • 5psRMS typ.
random jitter • 15psPP typ.
deterministic jitter s Chatter-free, Signal-Detect (SD) output • 4.
6dB electrical hysteresis • OC-TTL output with internal 4.
75kΩ pull-up resistor s Programmable SD sensitivity using single external resistor s Internal 50Ω data input termination s TTL EN input allows feedback from SD s Wide operating range • Single 3.
3V ±10% or 5V ±10% power supply • –40°C to +85°C industrial temperature range s Available in tiny 10-pin EPAD-MSOP and 16-pin MLF™ packages DESCRIPTION The SY88843V low-power limiting post amplifier is designed for use in fiber-optic receivers.
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 SY88843V quantizes these signals and outputs typically 800mVPP voltage-limited waveforms.
The SY88843V operates from a single +3.
3V ±10% or +5V ±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 3.
2Gbps and as small as 10mVp-p can be amplified to drive devices with CML inputs or AC-coupled PECL inputs.
The SY88843V incorporates a signal detect (SD), opencollector TTL output with internal 4.
75kΩ pull-up resistor.
A programmable, loss-of-signal level set pin (SDLVL) sets the sensitivity of the input amplitude detection.
SD asserts high if the input amplitude rises above the threshold set by SDLVL and de-asserts low otherwise.
SD can be fed back to the enable (EN) input to maintain output stability under a loss of signal condition.
EN asserts the true output signal without removing the input sig...



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