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AMT8302T56F Dataheets PDF



Part Number AMT8302T56F
Manufacturers ANADIGICS Inc
Logo ANADIGICS  Inc
Description 2.125Gb/s Integrated 850nm MSM-TIA
Datasheet AMT8302T56F DatasheetAMT8302T56F Datasheet (PDF)

2.125 Gb/s Integrated 850nm MSM-TIA AMT8302 Preliminary Data Sheet - Rev 0 FEATURES · Differential Output TIA · 3.3V Operation · Automatic Gain Control · Integrated 850nm MSM Detector & TIA · TO-56 Ultra Flat-Window Hermetic Package · High Reliability APPLICATIONS · 2x Fibre Channel (2.125 Gb/s) T56F TO-56 Ultra Flat Window Package Product Description The ANADIGICS AMT8302 is a 3.3V monolithically integrated Metal-Semiconductor-Metal (MSM) photodetector and transimpedance amplifier (TIA) used.

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2.125 Gb/s Integrated 850nm MSM-TIA AMT8302 Preliminary Data Sheet - Rev 0 FEATURES · Differential Output TIA · 3.3V Operation · Automatic Gain Control · Integrated 850nm MSM Detector & TIA · TO-56 Ultra Flat-Window Hermetic Package · High Reliability APPLICATIONS · 2x Fibre Channel (2.125 Gb/s) T56F TO-56 Ultra Flat Window Package Product Description The ANADIGICS AMT8302 is a 3.3V monolithically integrated Metal-Semiconductor-Metal (MSM) photodetector and transimpedance amplifier (TIA) used to convert an 850nm input optical signal into a differential output voltage, and is manufactured in ANADIGICS’ 6” GaAs wafer fabrication facility. The integrated MSM and TIA receiver maximizes the receiver performance by minimizing the photodetector input parasitics to the TIA and internally biasing the photodetector to achieve high sensitivity, bandwidth and overload performance. As an integrated product the reliability is inherently better than a discrete solution, and both the MSM-TIA integrated circuit and TO56 flat window packaged receiver pass stringent reliability requirements. These products are readily designed into receiversand transceivers for 2X Fibre Channel applications. Figure 1: AMT8302 Equivalent Circuit V DD 1 OUT 4 2 OUT AGC US Patents: 5047728, 5646573 PIN Charge Pump 7.5 GHz Osc 3 AMT8302 Table 1: Absolute Maximum Ratings V DD PIN TS 6.0V +5dBm Storage Temp. - 65 °C to 125 °C Table 2: Electrical Characteristics PAR AMETER Wavelength (l) D etector D i ameter Small Si gnal D i fferenti al Responsi vi ty Bandwi dth (1) (1) MIN 770 (@ 50 MHz) 1000 1400 0 -19 (3) TYP 850 100 1900 40 750 140 5 50 35 +3.3 - MAX 860 300 55 +3.6 80 U N IT nm µm V/W MHz kHz Low Frequency C utoff Output Resi stance Opti cal Overload (2) W dB m dB m mV ps % ps mA Volts °C Opti cal Sensi ti vi ty (2) D i fferenti al Output Voltage TRISE and TFALL (20-80%) (3) D uty C ycle D i storti on Total Ji tter (3), (4) Supply C urrent Operati ng Voltage Range Operati ng C ase Temperature Range (3) + 3.0 0 (1) Measured at –14 dBm optical input power with output connected into RL = 100W (differential) (2) Measured at 10-10 BER with a 27-1 PRBS at 2.125 Gb/s (3) Measured with a 27-1 PRBS at 2.125 Gb/s, an input optical power of -3dBm and RL = 100 W (differential) (4) 6 s about the center eye crossing Table 3: Package PIN Description Pin 1 2 3 4 2 D escription VDD - Posi ti ve Supply Voltage VOUT - TIA Output Voltage (Inverted) Ground VOUT - TIA Output Voltage (Non-Inverted) C omment +3.3 Volts Logi cal '0' wi th opti cal i nput C ase i s grounded Logi cal '1' wi th opti cal i nput Preliminary Data Sheet - Revision 0 03/01 AMT8302 Figure 2: Eye Diagram with an Optical Input Power of -18dBm 10mV/Div 100ps/Div Figure 3: Eye Diagram with an Optical Input Power of -8.0dBm 60mV/Div. 100ps/Div Figure 4: Eye Diagram with an Optical Input Power of 0dBm 150mV/Div. 100ps/Div Preliminary Data Sheet - Revision 0 03/01 3 AMT8302 Figure 5: Supply Current vs. Temperature 50.0 Supply Current (mA) Figure 6: Bandwidth vs. Temperature 2400 2200 Bandwidth (MHz) 45.0 40.0 35.0 30.0 25.0 0 20 40 60 80 100 Case Temperature (C) 2000 1800 1600 1400 1200 1000 0 20 40 60 80 100 Case Temperature (C) 3V 3.3V 3.6V 3V 3.3V 3.6V Figure 7: Differential Responsivity vs. Temperature 1500 Differential Responsivity (V/W) Figure 8: Sensitivity vs. Temperature -18.00 -18.50 Sensitivity (dBm) 1400 1300 1200 1100 1000 900 0 20 40 60 80 100 Case Temperature (C) 3V 3.3V 3.6V -19.00 -19.50 -20.00 -20.50 -21.00 -21.50 -22.00 0 20 40 60 80 100 Case Temperature (C) 3V 3.3V 3.6V 4 Preliminary Data Sheet - Revision 0 03/01 AMT8302 Figure 9: Test Setup for Frequency Response Lightwave Analyzer HP 8702D Laser Optical Attenuator DUT Test Fixture Extinction Ratio= 3dB Power Supply Figure 10: Test Setup for Sensitivity BERT Pulse Pattern Generator Error Detector Hybrid Coupler Limiting Amplifier 25 dB Gain Laser Optical Attenuator DUT Test Fixture Extinction Ratio = 9dB Power Supply Figure 11: Test Setup for Eye Measurements Pulse Pattern Generator Digital Communication Analyzer HP83480A Laser Optical Attenuator DUT Test Fixture Extinction Ratio = 9dB Power Supply Preliminary Data Sheet - Revision 0 03/01 5 AMT8302 Figure 12: DUT Test Fixture Schematic VDD 0.1uF VOUT 0.1uF DUT 0.1 uF V OUT Figure 13: Application Schematic V DD 0.1uF 1 OUT 4 CF 2 0.1uF RO 0.1uF OUT AGC LIMITING AMPLIFIER Charge Pump 7.5 GHz OSC 3 CF is an optional single pole noise filter CF = 1 2π fcR fc is the desired cutoff frequency R = 50 W RO is required with high input resistance limiting amplifiers RO = 100 W 6 Preliminary Data Sheet - Revision 0 03/01 AMT8302 Figure14: T56F Package Outline Design Preliminary Data Sheet - Revision 0 03/01 7 AMT8302 Ordering Information Part N umber AMT8302T56F Package Option TO-56F Package D escription Ultra Flat Wi ndow Package ANADIGICS, Inc. 141 Mount Bethel Road Warren, New Jersey 07059, U.S..


AMT8302 AMT8302T56F AN-242


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