ONET4291T Datasheet, PDF (1/16 Pages) Texas Instruments – 4.25-Gbps Transimpedance Amplifier With AGC and RSSI

ONET4291T
www.ti.com
SLLSE82 – APRIL 2011
4.25-Gbps Transimpedance Amplifier With AGC and RSSI
Check for Samples: ONET4291T
FEATURES
1
• 2.8-GHz Bandwidth
• 3.2-kΩ Differential Transimpedance
• Automatic Gain Control (AGC)
• 8.8-pA/√Hz Typical Input Referred Noise
• 2-mA_p-p Maximum Input Current
• Received Signal Strength Indication (RSSI)
• CML Data Outputs With On-Chip 50-Ω
Back-Termination
• On-Chip Supply Filter Capacitor
• Single 3.3-V Supply
• Die Size: 0,78 × 1,18 mm
APPLICATIONS
• SONET/SDH Transmission Systems at OC24
and OC48
• 4.25-Gbps, 2.125-Gbps, and 1.0625-Gbps
Fiber-Channel Receivers
• Gigabit Ethernet Receivers
• PIN Preamplifier-Receivers
DESCRIPTION
The ONET4291T is a high-speed transimpedance amplifier used in optical receivers with data rates up to 4.25
Gbps.
It features a low input referred noise, 2.8-GHz bandwidth, automatic gain control (AGC), 3.2-kΩ transimpedance,
and received signal strength indication (RSSI).
The ONET4291T is available in die form and is optimized for use in a TO can.
The ONET4291T requires a single 3.3-V supply, and its power-efficient design typically dissipates less than 56
mW. The device is characterized for operation from –40°C to 85°C ambient temperature.
AVAILABLE OPTIONS
T_A
–40°C to 85°C
DIE
ONET4291TY
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2011, Texas Instruments Incorporated