m21524 Mindspeed Technologies, m21524 Datasheet

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m21524

Manufacturer Part Number
m21524
Description
M21524 3g/hd/sd-sdi Low Power Dual Cable Equalizer
Manufacturer
Mindspeed Technologies
Datasheet
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The M21524 is a very low power, highly integrated, dual cable equalizer for SMPTE compliant digital video applications.
It provides adaptive, low noise, high gain equalization for 75
Gbps. The device is capable of compensating for losses accumulated across cable length up to 140m when operating
at 2.97Gbps.
The dual cable equalizer includes a 2x2 input crosspoint and integrated input termination resistors. The M21524, with
output de-emphasis for up to 40” of FR4 trace and two connectors, is ideal for high speed, 3G-SDI, designs.
The device features integrated supply regulators, allowing it to be powered from 1.2V, 1.8V, 2.5V, or 3.3V supply voltages.
When operating at 1.2V, it consumes only 75mW per channel at 2.97Gbps. Furthermore, the power rails for the output
circuitry are electrically isolated on-chip and as such may be connected to different voltage rails on the board. This
feature enables the M21524 to be DC coupled to any downstream device in the 1.2V to 3.3V range.
The integrated 2x2 crosspoint allows for either input to be routed to either output, eliminating the need for an external
multiplexer. Additionally, one input may be routed to both outputs.
The M21524 is offered in a green and RoHS compliant, 4mmx4mm, 24 pin QFN package.
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Product Overview
Independent, quad channel, multi-rate equalizer
SMPTE 424M, 292M, and 259M compliant
Cable equalization for up to 140m of cable at 2.97Gbps
Integrated, selectable 75Ω or 50Ω input termination
Exceptional Input Return Loss with no matching network
Very low power design; 80mW/channel @1.2V
Integrated 2x2 crosspoint switch
Output de-emphasis for up to 40” of FR4 + 2 connectors
Integrated regulators for multi-voltage operation (1.2V – 3.3V) Reduce number of power rails required on a board
Universal DC coupling at the input (1.2V – 3.3V)
Loss of signal detection
Industrial operating temperature range ( -40°C to +85°C)
M21524
3G/HD/SD-SDI Low Power Dual Cable Equalizer
Features
coaxial cable at SDI data rates from 143 Mbps to 2.97
Save board area and enable high density designs
Standard compliant solution
Robust analog performance
Save board area and enable high density designs
Save board area and enable high density designs
Enable low power designs with minimal heat dissipation
Save board area and enable high density designs
Ease of high speed design and layout
Reduce the number of external components required
Monitoring and diagnosis
Provides higher tolerance and additional design margin
Benefits
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m21524 Summary of contents

Page 1

... Product Overview The M21524 is a very low power, highly integrated, dual cable equalizer for SMPTE compliant digital video applications. It provides adaptive, low noise, high gain equalization for 75 Gbps. The device is capable of compensating for losses accumulated across cable length up to 140m when operating at 2 ...

Page 2

... R esto esto re Fig Functional Block Diagram Cable Equalizer M21524 Fig Typical Routing Switcher Application Diagram For more product information, please visit M21524 SDO0P 50Ω ffer SDO0N SDO1P 50Ω ffer SDO1N Cable ...

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