AMT128502T46F 1.25 Gb/s Integrated 850 nm MSM-TIA Advanced Product Information - Rev. 4 FEATURES • 1.25 Gb/s Differential Output TIA • Automatic Gain Control • 850nm Photodetector with 100 µm x 100 µm Active Area • Integrated MSM detector & TIA • TO-46 Ultra Flat Window APPLICATIONS TO-46F TO-46F Ultra Flat Window Package • Gigabit Ethernet (1.250Gb/s) • Fibre Channel (1.064 Gb/s) Electrical Characteristics (TA=25 oC, VDD=+5.0V + 10%) PARAMETER MIN TYP MAX UNIT Wavelength ( λ) 770 850 100 x 100 860 nm - µm2 1000 - - V/W 1000 - 1500 MHz Detector Active Area Small Signal Differential (@ 50 MHz) Responsivity (1) Bandwidth(1) Low Frequency Cutoff - (1) (2) (3) - 300 1000 kHz Output Resistance 25 40 60 Ohm Optical Overload (2) 0 - - dBm Optical Sensitivity (2) Differential Output Voltage (3), (4) - - 22 700 - 20 - dBm mV (5) TRISE & TFALL (20 - 80%) (3), (4) Duty Cycle Distortion (3), (5) RMS Jitter (3), (5), (6) - 260 4 15 10 - ps % ps (6) Total Jitter (pk-pk) (3), (5), (7) - 90 - ps Supply Current - - 50 mA + 4.5 +5.0 +5.5 V 0 - 70 °C Operating Voltage Range Operating Temperature Range Powered by ICminer.com Electronic-Library Service CopyRight 2003 (4) (7) Measured at –14 dBm optical input power with output connected into RL = 100Ω (differential) Measured at 10-10 BER with a 27-1 PRBS at 1.25 GB/s Input optical power = -3 dBm, RL = 100 Ω (differential). Measured with a 625 MHz, 50% duty cycle square wave. Measured with a 1.25 Gb/s, 27-1 PRBS. 1σ about the center eye crossing. 6σ about the center eye crossing. AMT128502T46F AMT128503 TO-46 PACKAGE PIN DESCRIPTION V DD 7.0 V PIN + 5 dBm TS Storage Temp. - 65 °C to 150 °C AMT128503 TO-46 PACKAGE PIN DESCRIPTION PIN Description Comment 1 V OUT - TIA Output Voltage (Non- inverted) Logical '1' with optical input 2 V DD - Positive Supply Voltage + 5 Volts 3 V OUT - TIA Output Voltage (inverted) Logical '0' with optical input 4 Ground Case is grounded V DD 2 4K OUT 1 3 OUT AGC US Patents: 5047728, 5646573 -3 V Charge Pump 6.5 GHz Osc US Patent Pending 4 Figure 1: AMT128502 Equivalent Circuit 2 Powered by ICminer.com Electronic-Library Service CopyRight 2003 AMT128502T46F AMT128502T46F Data Sheet Graphs 10mV/Div 200ps/Div Figure 2: Eye Diagram with Optical Input Power:–17dBm Figure 4: Supply Current vs. Temperature Figure 6: Differential Responsvity vs Temperature 150mV/Div. 200ps/Div Figure 3: Eye Diagram with Optical Input Power:–1.0dBm Figure 5: Bandwidth vs. Temperature Figure 7: Sensitivity vs. Temperature 3 Powered by ICminer.com Electronic-Library Service CopyRight 2003 AMT128502T46F Lightwave Analyzer HP 8702D Laser Optical Attenuator DUT Test Fixture Power Supply Figure 8: Test Setup for Frequency Response BERT Pulse Pattern Generator Laser Error Detector Hybrid Coupler Optical Attenuator Limiting Amplifier 25 dB Gain DUT Test Fixture Extinction Ratio = 9dB Power Supply Figure 9: Test Setup for Sensitivity 4 Powered by ICminer.com Electronic-Library Service CopyRight 2003 AMT128502T46F VDD Digital Communication Analyzer HP83480A Pulse Pattern Generator 0.1uF DUT Test Fixture Optical Attenuator Laser VOUT Extinction Ratio = 9dB DUT 0.1uF Power Supply V OUT 0.1 uF Figure 11: DUT Test Fixture Schematic Figure 10: Test Setup for Eye Measurements Application Schematic V DD 0.1uF 2 4K OUT 1 CF OUT 3 0.1uF RO 0.1uF AGC LIMITING AMPLIFIER Charge Pump 6.5 GHz OSC 4 5 Powered by ICminer.com Electronic-Library Service CopyRight 2003 AMT128502T46F CF is an optional single pole noise filter CF = 1 2πfcR fc = desired cutoff frequency R = 50 Ω RO is required with high input resistance limiting amplifiers RO = 100 Ω Evaluation Board Schematic V DD 0.1uF 2 4K OUT OUT 1 0.1uF 3 0.1uF VOUT VOUT AGC Charge Pump 6.5 GHz OSC 4 6 Powered by ICminer.com Electronic-Library Service CopyRight 2003 AMT128502T46F Evalutation Board Layout 7 Powered by ICminer.com Electronic-Library Service CopyRight 2003 T046F Package Outline Diagram ANADIGICS, Inc. 35 Technology Drive Warren, New Jersey 07059 Tel: (908) 668-5000 Fax: (908) 668-5132 http://www.anadigics.com [email protected] IMPORTANT NOTICE ANADIGICS, Inc. reserves the right to make changes to its products or discontinue any product at any time without notice. The Advanced Product data sheets and product specifications contained in this data sheet are subject to change prior to a products formal introduction. The information in this data sheet has been carefully checked and is assumed to be reliable. However, ANADIGICS assumes no responsibility for inaccuracies. ANADIGICS strongly urges customers to verify that the information they are using is current before placing orders. WARNING ANADIGICS products are not intended for use in life support appliances, devices, or systems. Use of an ANADIGICS product in any such application without written consent is prohibited. 8 Powered by ICminer.com Electronic-Library Service CopyRight 2003