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Product Detailed Parameters
- Description：622 MEGA BIT PER SEC, LOW-POWER,
- Series：-
- PLL：Yes
- Mfr：Analog Devices Inc./Maxim Integrated
- Main Purpose：SONET/SDH, ATM applications
- Input：PECL
- Output：PECL
- Number of Circuits：1
- Ratio - Input:Output：2:02
- Differential - Input:Output：No/No
- Frequency - Max：622.08MHz
- Voltage - Supply：3V ~ 5.5V
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：32-LQFP
- Supplier Device Package：32-TQFP (7x7)
- Grade：-
- Qualification：-
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Overview
The MAX3675ECJ.G044 is a clock-recovery and data-retiming integrated circuit designed for 622Mbps SDH/SONET applications. It operates from a single +3V to +5.5V supply and features two differential input amplifiers: one accepting PECL levels and another for small-signal analog inputs. The device incorporates a limiting amplifier stage providing received-signal-strength indication (RSSI) and programmable loss-of-power monitoring. It is housed in a 32-TQFP package with an operating temperature range of -40°C to +85°C.
Feature Summary
- Integrated clock recovery and data retiming for 622Mbps SDH/SONET
- Dual differential inputs supporting PECL and analog signal levels
- Built-in limiting amplifier with RSSI and programmable LOP monitor
- Single +3V to +5.5V power supply operation
Applications
- SDH/SONET network interfaces
- ATM application systems
- Clock recovery circuits requiring low power consumption
Procurement Notes
Verify the specific suffix .G044 against official Maxim Integrated documentation to confirm any unique packaging or tape-and-reel specifications, as standard datasheets may list generic suffixes like ECJ+T. Ensure compatibility with the specified 32-TQFP (7x7) package dimensions during procurement.
Selection Notes
Select this component when designing for 622Mbps SONET/SDH environments requiring integrated clock recovery. The dual-input architecture allows flexibility between PECL and analog signals. Verify that the system power supply remains within the 3V to 5.5V range and that the thermal design supports the -40°C to +85°C operating window.
Part Context
This part belongs to the MAX3675 family of low-power, 3.3V-compatible clock-recovery ICs. It is often used in conjunction with laser drivers and transimpedance amplifiers in optical communication transceivers to recover timing information from incoming serial data streams at OC-12 speeds.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Consult Analog Devices technical support for direct replacements if the MAX3675ECJ.G044 is unavailable.
