1.25Gbps/2.5Gbps Limiting Amplifiers
19-1523; Rev 7, 2/06
+3.0V to +5.5V, 1.25Gbps/2.5Gbps Limiting Amplifiers
General Description
The 1.25Gbps MAX3264/MAX...
Description
19-1523; Rev 7, 2/06
+3.0V to +5.5V, 1.25Gbps/2.5Gbps Limiting Amplifiers
General Description
The 1.25Gbps MAX3264/MAX3268/MAX3768 and the 2.5Gbps MAX3265/MAX3269/MAX3765 limiting amplifiers are designed for Gigabit Ethernet and Fibre Channel optical receiver systems. The amplifiers accept a wide range of input voltages and provide constantlevel output voltages with controlled edge speeds. Additional features include RMS power detectors with programmable loss-of-signal (LOS) indication, an optional squelch function that mutes the data output signal when the input voltage falls below a programmable threshold, and excellent jitter performance. The MAX3264/MAX3265/MAX3765 feature current-mode logic (CML) data outputs that are tolerant of inductive connectors and a 16-pin TSSOP package, making these circuits ideal for GBIC receivers. The MAX3268/ MAX3269/MAX3768 feature standards-compliant positive-referenced emitter-coupled logic (PECL) data outputs and are available in a tiny 10-pin ยต...
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