ONET4251PA

Features:

· Multi-Rate Operation from 1 Gbps up to 4.25 Gbps
· 89-mW Power Consumption
· Input Offset Cancellation
· High Input Dynamic Range
· Output Disable
· CML Data Outputs
· Receive Signal Strength Indicator (RSSI)
· Loss of Signal Detection
· Polarity Select
· Single 3.3-V Supply
· Surface Mount Small Footprint 3-mm ×3-mm 16-Pin QFN Package


Application

· Cable Driver and Receiver
· 1.0625 Gbps, 2.125 Gbps, and 4.25 Gbps Fibre Channel Receivers
· Gigabit Ethernet Receivers


Specifications

VCC	Supply voltage (2)	0.3 V to 4 V
VDIN+, VDIN	Voltage at DIN+, DIN(2)	0.5 V to 4 V
VLOS, VSD, VSCK, VSDA, VCOC+, VCOC, VRTHI, VTH, VDOUT+, VDOUT	Voltage at LOS, SD, SCK, SDA, COC+, COC, RTHI, TH, DOUT+, DOUT(2)	0.3 V to 4 V
VDIN,DIFF	Differential voltage between DIN+ and DIN	±1.25 V
ILOS	Current into LOS	1 to 9 mA
IDIN+, IDIN, IDOUT+, IDOUT	Continuous current at inputs and outputs	2 kV (HBM)
ESD	ESD rating at all terminals (HBM)	2 kV (HBM)
TJ,max	Maximum junction temperature	125°C
Tstg	Storage temperature range	65°C to 85°C
TA	Characterized free-air operating temperature range	40°C to 85°C
TLEAD	Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds	260°C

Description

The ONET4251PA is a versatile high-speed limiting amplifier for copper cable and fiber optic applications with data rates up to 4.25 Gbps.

This device ONET4251PA provides a gain of about 50 dB, which ensures a full 800-mVp-p differential output swing over its wide input signal dynamic range.

The ONET4251PA high input signal dynamic range ensures low jitter output signals even when overdriven with input signal swings as high as 1200 mVp-p.

The ONET4251PA comprises a loss of signal detection as well as a received signal strength indicator.

The part is available in a small footprint 3-mm ´ 3-mm 16-pin QFN package. It requires a single 3.3-V supply.

This power efficient limiting amplifier ONET4251PA dissipates less than 89 mW typical. It is characterized for operation from 40°C to 85°C.