AMT8300T46F AMT8300T46L 2.5 Gb/s 850 nm Detector Preamp Advanced Product Information - Rev 1 FEATURES • • • • • 2.5 Gb/s Differential Output TIA 3.3V Operation Automatic Gain Control 850 nm Photodetector TO-46 Ultra Flat Window or Ball Lens Package APPLICATIONS • SONET OC-48/SDH STM-16 (2.488 Gb/s) • 2x Fibre Channel (2.12 Gb/s) • 2.5 Gb/s Infiniband T46F TO-46 Ultra Flat Window Package T46L TO-46 Ball Lens Package Electrical Characteristics (TA = 25 °C, VDD = +3.3V ± 10%) PARAMETER M IN TYP MAX U N IT W a ve length ( λ) 770 850 860 nm - 75 - µm D e te c to r A c t i v e A r e a S m a ll S i g n a l D iffe rential (@ 5 0 M H z ) R e s p o n s i v i t y (1) 1000 - - V /W (1) 1800 - - MHz Low Frequency Cutoff - - 300 kHz Output Resistance - 40 - Ω 0 - - dBm - -20 - dBm - 130 - ps - 5 - % - 40 60 mA + 3.0 +3.3 +3.6 V o lts 0 - 70 °C B a n d w i d th O p tical Overload (2) O p tical Sensitivity (2) T RISE & T F A L L ( 2 0 - 8 0 % ) D uty C y c l e D i s t o r t i o n (3), (4) (3), (5) S u p p ly C urrent O p e r a ting V o lta g e R a n g e O p e r a ting Te m p e ra ture R a n g e (1) (2) (3) (4) (5) 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 2.5 Gb/s Input optical power = -3 dBm, RL = 100 Ω (differential). Measured with a 1.25 MHz, 50% duty cycle square wave. Measured with a 2.5 Gb/s, 27-1 PRBS. Powered by ICminer.com Electronic-Library Service CopyRight 2003 AMT8300T46L Absolute Maximum Ratings V DD 5.0V P IN +5dBm TS Storage Temp. - 65 °C to 125 °C TO-46 Package PIN Description Pin Description Comment 1 VOUT - TIA Output Voltage (Non-Inverted) Logical '1' with optical input 2 VDD - Positive Supply Voltage +3.3 Volts 3 VOUT - TIA Output Voltage (Inverted) Logical '0' with optical input 4 Ground Case is grounded Block Diagram V DD 2 OUT 1 3 OUT AGC US Patents: 5047728, 5646573 PIN Charge Pump 8.5 GHz Osc 4 FIGURE 1: AMT8300 Equivalent Ciruit 2 Powered by ICminer.com Electronic-Library Service CopyRight 2003 AMT8300T46L Measurement Methods Lightwave Analyzer HP 8702D Laser DUT Test Fixture Optical Attenuator Power Supply Extinction Ratio= 3dB FIGURE 2. Test Setup for Frequency Response BERT Pulse Pattern Generator Error Detector Hybrid Coupler Optical Attenuator Laser Limiting Amplifier DUT Test Fixture Extinction Ratio = 9dB Power Supply FIGURE 3. Test Setup for Sensitivity 3 Powered by ICminer.com Electronic-Library Service CopyRight 2003 AMT8300T46L Measurement Methods Cont’d Digital Communication Analyzer HP83480A Pulse Pattern Generator DUT Test Fixture Optical Attenuator Laser Extinction Ratio = 9dB Power Supply FIGURE 4. Test Setup for Eye Measurements VDD 0.1uF DUT VOUT 0.1uF V OUT 0.1 uF FIGURE 5. DUT Test Fixture Schematic 4 Powered by ICminer.com Electronic-Library Service CopyRight 2003 AMT8300T46L Application Schematic VDD 0.1uF 2 4K OUT 1 CF OUT 3 AGC Charge Pump 0.1uF RO 0.1uF LIMITING AMPLIFIER 8.5 GHz OSC 4 CF is an optional single pole noise filter CF = 1 2π fcR fc = desired cutoff frequency R = 50 Ω RO is required with high input resistance limiting amplifiers RO = 100 Ω 5 Powered by ICminer.com Electronic-Library Service CopyRight 2003 AMT8300T46L T46F Package Outline Diagram 6 Powered by ICminer.com Electronic-Library Service CopyRight 2003 AMT8300T46L T46L Package Outline Diagram 7 Powered by ICminer.com Electronic-Library Service CopyRight 2003 AMT8300T46L 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