MAX3873EGP

Package / Case :
Number of Internal Timers :
Maximum Power Dissipation :
Maximum Operating Temperature :
Minimum Operating Temperature :
Packaging :
Supply Voltage - Min : 3 V
Supply Voltage - Max : 3.6 V
Type : Clock Recovery


Specifications

Supply Voltage (VCC to GND)  . . . . . . . . . . . . . . . . . .-0.5V to +5V
Voltage at SDI +/- . . . . . . . . . . . . . . .. (VCC-1.0V) to (VCC +0.5V)
CML Output Current at SDO +/-, SCLKO+/ . . . . . . . . . . . . .- 22mA
Voltage at /LOL, FASTRACK, FIL+/-, SCLKEN MODE,
RATEST  . . . . . . . . . . . . . . . . . . . . . . . . . . .(-0.5V to (VCC + 0.5V)
Storage Temp.  . . . . . . . . . . . . . . . . . . . . . . . .-55°C to +150°C
Lead Temp. (10 sec.)  . . . . . . . . . . . . . . . . . . . . . . . .  . .+300°C
Power Dissipation
20-Pin QFN  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1300mW
Derates above . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +70°C
20-Pin QFN  . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . .20.0mW/°C


Description

The MAX3873EGP is a compact, low-power 2.488Gbps/ 2.67Gbps clock-recovery and data-retiming IC for SDH/SONET applications. The phase-locked loop (PLL) recovers a synchronous clock signal from the serial NRZ data input. The input data is then retimed by this recovered clock, providing a clean data output. The MAX3873EGP meets all SDH/SONET jitter specifications, does not require an external reference clock to aid in frequency acquisition, and provides excellent tolerance to both deterministic and sinusoidal jitter. The MAX3873EGP provides a PLL loss-of-lock (LOL-bar) output to indicate whether the CDR is in lock. The recovered data and clock outputs are CML with on-chip 50 back terminations on each line. The clock output can be powered down if not used.

The MAX3873EGP is implemented in Maxim's second-generation SiGe process and consumes only 260mW at +3.3V supply (output clock disabled, low output swing). The device is available in a 4mm x 4mm 20-pin QFN exposed-pad package and operates from -40°C to +85°C.