MAX3676
NOT RECOMMENDED FOR NEW DESIGNS622Mbps, 3.3V Clock-Recovery and Data-Retiming IC with Limiting Amplifier
High-Performance, Low-Power 622Mbps CDR
Part Details
- Single +3.3V or +5.0V Power Supply
- Exceeds ITU/Bellcore SDH/SONET Regenerator Specifications
- Low Power: 237mW at +3.3V
- Selectable Data Inputs, Differential PECL or Analog
- Received-Signal-Strength Indicator
- Loss-of-Power and Loss-of-Lock Monitors
- Differential PECL Clock and Data Outputs
- No External Reference Clock Required
The MAX3676 is a complete clock-recovery and data-retiming IC incorporating a limiting amplifier. It is intended for 622Mbps SDH/SONET applications and operates from a single +3.3V supply.
The MAX3676 is designed for both section-regenerator and terminal-receiver applications in OC12/STM-4 transmission systems. Its jitter performance exceeds all SONET/SDH specifications.
The MAX3676 has two differential input amplifiers: one accepts positive-referenced emitter-coupled logic (PECL) levels, while the other accepts small-signal analog levels. The analog inputs access the limiting amplifier stage, which provides both a received-signal-strength indicator (RSSI) and a programmable-threshold loss-of-power (LOP) monitor. Selecting the PECL amplifier disables the limiting amplifier, conserving power. A loss-of-lock (LOL) monitor is also incorporated as part of the fully integrated phase-locked loop (PLL).
Applications
- Add/Drop Multiplexers
- ATM Switches
- Digital Cross-Connects
- SDH/SONET Access Nodes
- SDH/SONET Receivers and Regenerators
Documentation
Data Sheet 1
Reliability Data 1
This is the most up-to-date revision of the Data Sheet.
Hardware Ecosystem
Parts | Product Life Cycle | Description |
---|---|---|
Optical Transimpedance Amplifiers 1 | ||
MAX3665 | NOT RECOMMENDED FOR NEW DESIGNS | 622Mbps, Ultra-Low-Power, 3.3V Transimpedance Preamplifier for SDH/SONET |
Product 2 | ||
MAX3680 | +3.3V, 622Mbps, SDH/SONET 1:8 Deserializer with TTL Outputs | |
MAX3681 | +3.3V, 622Mbps, SDH/SONET 1:4 Deserializer with LVDS Outputs |
Evaluation Kits
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