ONET2591TA Datasheet | Texas Instruments

FEATURES - 1.8-GHz Bandwidth - 2.6-kΩ Differential Transimpedance - Automatic Gain Control (AGC) - 6.6-p A/√Hz Typical Input Referred Noise - 2-m Ap-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 mm × 1,18 mm APPLICATIONS - SONET/SDH Transmission Systems at OC24 and OC48 - 2.125-Gbps and 1.0625-Gbps Fibre-Channel Receivers - Gigabit Ethernet Receivers - PIN Preamplifier-Receivers DESCRIPTION The ONET2591TA is a high-speed transimpedance amplifier used in optical receivers with data rates up to 2.5 Gbps. It features a low input referred noise, 1.8-GHz bandwidth, automatic gain control (AGC), 2.6-kΩ transimpedance, and received signal strength indication (RSSI). The ONET2591TA is available in die form and is optimized for use in a TO can. The ONET2591TA requires a single 3.3-V supply, and its power-efficient design typically dissipates less than 53 m W. The device is characterized for operation from - 40°C to 85°C ambient temperature. AVAILABLE OPTIONS - 40°C to 85°C DIE ONET2591TAY 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 © 2005, Texas Instruments Incorporated SLLS669 - SEPTEMBER 2005 .ti. BLOCK DIAGRAM The ONET2591TA is a high-performance, 2.5-Gbps transimpedance amplifier consisting of the signal path, supply filter, a control block for dc input current cancellation, automatic gain control (AGC), received signal strength indication (RSSI), and a band-gap voltage reference and...