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Analog Devices MAX3822UCM — Logic ICs

MAX3822UCM 2.5Gbps Quad Limiting Amplifier, 48-TQFP EP

MPNMAX3822UCM
End of Life

Maxim MAX3822UCM, Quad Limiting Amplifier, 2.5Gbps, 48-TQFP Exposed Pad, Surface Mount, Optical Networks.

$13.98Ref. price · indicative, final on quote
Analog Devices MAX3822UCM datasheet (PDF)
Packaging48-TQFP Exposed Pad
RoHSRoHS non-compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

MAX3822UCM specifications
ParameterValue
TypeLimiting Amplifier
MountingSurface Mount
PackageBulk
ApplicationsOptical Networks
Case48-TQFP Exposed Pad

Product details

2.5 Gbps quad limiting amplifier for optical receiver chains

The Maxim MAX3822UCM is a quad limiting amplifier designed for 2.5 Gbps optical network applications. It takes a small-signal input from a photodiode transimpedance amplifier and outputs a clean, amplitude-limited differential signal for clock and data recovery. The four channels let a single device handle multiple fiber lanes or redundant paths on one board. The 48-TQFP exposed pad package (7x7 mm) pulls heat out through the PCB ground plane, which matters when the part runs continuously at line rate.

Active lifecycle — still a current production part

Note the RoHS non-compliant marking — this part uses lead-bearing solder terminations, so verify your assembly line's exemption status before committing the BOM.

Package and thermal — the exposed pad is not optional

The 48-TQFP exposed pad (EP) is the primary thermal path. Solder the pad to a copper land on the PCB with thermal vias to the ground plane — without that connection, junction temperature rises quickly under continuous 2.5 Gbps operation.

Frequently asked questions

Does the MAX3822UCM work for 2.5 Gbps optical applications?

Yes, the MAX3822UCM is specifically a 2.5 Gbps quad limiting amplifier for optical networks. It accepts small differential input signals from a transimpedance amplifier and provides a limited output swing suitable for driving CDR or deserializer inputs at 2.5 Gbps per channel.

Is the MAX3822UCM RoHS compliant?

No, the MAX3822UCM is marked as RoHS non-compliant. It contains lead in the solder terminations. For RoHS-exempt applications (military, aerospace, some industrial) this is acceptable; for standard commercial lead-free assembly, verify your exemption or look for a lead-free variant.