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Updated at 17/06/2025 10:30:15(UTC+8)

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Description

The LMH1219 is a low-power, dual-input and dual-output, adaptive equalizer with integrated reclocker. It supports SMPTE video rates up to 11.88 Gbps and 10 GbE video over IP, enabling UHD video for 4K/8K applications. An extended reach adaptive cable equalizer at IN0 is designed to equalize data transmitted over 75Ω coaxial cable and operates over a wide range of data rates from 125 Mbps to 11.88 Gbps. An adaptive board trace equalizer at IN1 is SFF-8431 compatible and supports both SMPTE and 10 GbE data rates.
The integrated reclocker attenuates high frequency jitter and provides the best signal integrity. High input jitter tolerance of the reclocker improves timing margin. The reclocker has a built-in loop filter, and operates without the need of a precision input reference clock. A non-disruptive eye monitor allows real time measurement of the serial data to simplify system debug and accelerate board bring-up.
The integrated 2:1 Mux and 1:2 Fanout provide flexibility for multiple video signals. The output drivers offer programmable de-emphasis to compensate board trace losses at its outputs. The integrated return loss network meets stringent SMPTE specifications across all data rates. The typical power consumption of LMH1219 is 250 mW. In the absence of input signal, power is further reduced to 27 mW.
The LMH1219 is pin compatible to LMH1226 (12G UHD reclocker) and LMH0324 (3G adaptive cable equalizer).

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LMH1219RTWT Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	24 Pin
Case/Package	WFQFN-24
Supply Voltage (DC)	2.50 V
Number of Positions	24 Position
Power Consumption	250 mW
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage (Max)	2.5 V
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Product Lifecycle Status	Active
Packaging	Cut Tape (CT)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/12/17
ECCN Code	EAR99

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