(Hong Kong)
Product Summary
The MAX3748AETE multirate limiting amplifier functions as a data quantizer for SONET, Fibre Channel, and Gigabit Ethernet optical receivers. The amplifier accepts a wide range of input voltages and provides constantlevel current-mode logic (CML) output voltages with controlled edge speeds. A received-signal-strength indicator (RSSI) is available when the MAX3748AETE is combined with the MAX3744 SFP transimpedance amplifier (TIA). A receiver consisting of the MAX3748AETE can provide up to 19dB RSSI dynamic range. Additional features include a programmable loss-of-signal (LOS) detect, an optional disable function (DISABLE), and an output signal polarity reversal (OUTPOL). Output disable can be used to implement squelch. The combination of the MAX3748AETE and the MAX3744 allows for the implementation of all the smallform-factor SFF-8472 digital diagnostic specifications using a standard 4-pin TO-46 header. The MAX3748AETE is packaged in a 3mm × 3mm 16-pin QFN package with an exposed pad.
Parametrics
MAX3748AETE absolute maximum ratings: (1)Power-Supply Voltage (VCC): -0.5V to +6.0V; (2)Voltage at IN+, IN-: (VCC - 2.4V) to (VCC + 0.5V); (3)Voltage at DISABLE, OUTPOL, RSSI, CAZ1, CAZ2, LOS, TH: -0.5V to (VCC + 0.5V); (4)Current into LOS: -1mA to +9mA; (5)Differential Input Voltage (IN+ - IN-): 2.5V; (6)Continuous Current at CML Outputs(OUT+, OUT-): -25mA to +25mA; (7)Continuous Power Dissipation (TA = +70℃), 16-Pin QFN (derate 17.7mW above +70℃): 1.4W; (8)Operating Junction Temperature Range (TJ): -55℃ to +150℃; (9)Storage Ambient Temperature Range (Ts): -55℃ to +150℃.
Features
MAX3748AETE features: (1)SFP Reference Design Available; (2)16-Pin QFN Package with 3mm ×3mm Footprint; (3)Single +3.3V Supply Voltage; (4)86ps Rise and Fall Time; (5)Loss of Signal with Programmable Threshold; (6)RSSI Interface (with MAX3744 TIA); (7)Output Disable; (8)Polarity Select; (9)8.5psP-P Deterministic Jitter (3.2Gbps).
Diagrams
| Image | Part No | Mfg | Description |  |
Pricing (USD) |
Quantity | ||||
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 MAX3748AETE |
Maxim Integrated Products |
Limiting Amplifiers |
Data Sheet |
Negotiable |
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MAX3748AETE-T |
Maxim Integrated Products |
Limiting Amplifiers |
Data Sheet |
Negotiable |
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