NEC's 50 m InGaAs APD IN COAXIAL PACKAGE NR8500 Series FOR 155 Mb/s AND 622 Mb/s APPLICATIONS FEATURES DESCRIPTION * SMALL DARK CURRENT: ID = 7 nA NEC's NR8500 series is an InGaAs avalanche photo diode (APD) coaxial module with optical fiber pigtail. This module is designed for long wavelength optical communication systems and is ideal as a reciever for Synchronous Digital Hierarchy (SDH) system, STM-4 and STM-1, ITU-T recommendations. * HIGH SENSITIVITY: S = 0.94 A/W at = 1310 nm, M = 1 S = 0.96 A/W at = 1550 nm, M = 1 * HIGH SPEED RESPONSE: fC = 1.5 GHz at M = 10 * COAXIAL MODULE WITH SMF or GI-50 FIBER * WITH SC CONNECTOR: Standard FC CONNECTOR: Option ELECTRO-OPTICAL CHARACTERISTICS (TC = 25C, Unless otherwise specified) PART NUMBER SYMBOLS VBR PARAMETERS AND CONDITIONS Reverse Breakdown Voltage, ID =100 A 1 Temperature Coefficient of Reverse Breakdown Voltage ID NR8500 Series UNITS MIN V 50 TYP MAX 70 90 %/C 0.2 Dark Current, VR = VBR x 0.9 nA 7 IDM Multiplied Dark Current, M = 2 to 10 nA 1 5 Ct Terminal Capacitance, VR = V(BR)R x 0.9, f = 1 MHz pF 0.5 0.75 fC Cut-off Frequency, M = 10 M = 20 GHz 1.0 1.5 1.2 S Sensitivity, A/W 0.8 0.81 0.94 0.96 M Multiplication Factor, = 1310 nm, IPO = 1.0 A VR = V (@ID = 1 A) 30 40 x Excess Noise Factor2, = 1310 nm, 1550 nm, IPO =1.0 A, M = 10, f = 35 MHz, B = 1 MHz 0.7 F Excess Noise Factor2, = 1310 nm, 1550 nm, IPO =1.0 A, M = 10, f = 35 MHz, B = 1 MHz 5 ORL = 1310 nm = 1550 nm Optical Return Loss SMF GI-50 Fiber dB 30 30 28 Note: VBR (25C+TC)-VBR (25C) 1. = TC * VBR (25C) 2. F = MX California Eastern Laboratories NR8500 Series ABSOLUTE MAXIMUM RATINGS1 (TC = 25C, unless otherwise specified) SYMBOLS PARAMETERS UNITS RATINGS IF Forward Current mA 10 IR Reverse Current mA 1.0 TC Operating Case Temp. C -40 to +85 TSTG Storage Temperature C -40 to +85 TSLD Lead Soldering Temperature C 260 (10 sec.) Relative Humidity (noncondensing) % 85 RH Note: 1. Operation in excess of any one of these parameters may result in permanent damage. TYPICAL PERFORMANCE CURVES (TC = 25C, unless otherwise specified) TEMPERATURE DEPENDENCE OF SENSITIVITY WAVELENGTH DEPENDENCE OF QUANTUM EFFICIENCY Sensitivity (Relative Value), S/S (%) Quantum Efficiency, (%) 100 80 60 40 20 0 10 = 1310 nm 0 -10 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 -60 Wavelength, (m) 10 10-4 10-5 -20 0 20 40 60 80 100 DARK CURRENT vs. REVERSE VOLTAGE -6 lph 10-7 Dark Current, ID (A) Dark Current, Photo Current, ID, lph (A) DARK CURRENT AND PHOTO CURRENT VS. REVERSE VOLTAGE = 1310 nm IPO = 1.0 A TC = 25C -40 Operating Case Temperature, TC (C) 10-6 10-7 10-8 10 TC = 85C 10-8 TC = 65C 10-9 ID -9 TC = 25C TC = -20C 10-10 10-10 0 20 40 60 Reverse Voltage, VR (V) 80 100 0 20 40 60 80 Reverse Voltage, VR (V) 100 NR8500 Series TYPICAL PERFORMANCE CURVES (TC = 25C, unless otherwise specified) TEMPERATURE DEPENDENCE OF DARK CURRENT and MULTIPLIED DARK CURRENT Multiplication Factor, M 103 TC = 65C 102 TC = -20C TC = 25C 101 TC = 85C 100 0 20 40 60 80 100 Dark Current, Multiplied Dark Current ID, IDM (A) MULTIPLICATION FACTOR vs. REVERSE VOLTAGE 10-6 = 1310 nm 10-7 ID @ VR = 0.9 V(BR)R 10-8 10-9 IDM 10-10 10-11 -60 -40 -20 0 20 40 60 80 100 Reverse Voltage, VR (V) Operating Case Temperature, TC (C) FREQUENCY RESPONSE CUT-OFF FREQUENCY vs. MULTIPLICATION FACTOR 10 Response, (3 dB/div.) Cut-off Frequency, fC (GHz) = 1310 nm RL = 50 M=8 0 1.0 2.0 3.0 4.0 1 0.1 5.0 1 10 100 Frequency, f (GHz) Multiplication Factor, M TERMINAL CAPACITANCE vs. REVERSE VOLTAGE EXCESS NOISE FACTOR vs. MULTIPLICATION FACTOR 100 1310 nm ( ), 1550 nm ( ) f = 35 MHz, B = 1 MHz 50 Excess Noise Factor, F Terminal Capacitance, Ct (pF) 2 1 0.5 0.2 0.5 0.4 20 10 5 2 1 0.1 1 2 5 10 20 Reverse Voltage, VR (V) 50 100 1 2 5 10 20 Multiplication Factor, M 50 100 NR8500 Series OUTLINE DIMENSIONS (Units in mm) CP/CR FP/FR Optical Fiber Length: 1 m MIN o0.9 Optical Fiber Length: 1 m MIN o0.9 o2.2 o0.450.05 15.0 4.3 0.5 0.50.2 24.71.0 3.50.5 2.2 8.00.3 14.01.0 4.00.2 o7.00.2 10.51.0 1.20.2 3.2 o5.00.2 4.00.5 o7.00.2 25.31.0 6.0 o3.20.2 o0.450.05 14.01.0 16.00.2 12.70.2 17.00.2 2 2 7.20.3 3 3.70.3 1.00.1 P.C.D. = o2.0 4-R1.250.2 3 P.C.D. = o2.0 1 1 3 2 3 2 1. Anode (Negative) 2. Cathode (Positive) 3. Case 2-o2.5 1 8.50.2 12.00.15 1 7.00.2 1. Anode (Negative) 2. Cathode (Positive) 3. Case ORDERING INFORMATION PART NUMBER NR8500FP-BC NR8500FP-CC NR8500FR-BB NR8500FR-CB NR8500CP-BC NR8500CP-CC NR8500CR-BB NR8500CR-CB FLANGE TYPE Flat mount Flange FIBER TYPE SMF GI-50 Fiber Vertical Mount Flange SMF GI-50 Fiber AVAILABLE CONNECTOR With FC-UPC Connector With SC-UPC Connector With FC-SPC Connector With SC-SPC Connector With FC-UPC Connector With SC-UPC Connector With FC-SPC Connector With SC-SPC Connector OPTICAL FIBER CHARACTERISTICS PARAMETER UNITS Mode Field Diameter Core Diameter Cladding Diameter Maximum Cladding Noncircularity Maximum Core/Cladding Concentricity Outer Diameter Cut-off Wavelength Minimum Fiber Bending Radius Fiber Length Flammability m m m % % mm nm mm mm SPECIFICATION SMF GI-50 9.51 - - 503 1252 1252 2 2 1.6 4.0 0.90.1 0.90.1 1100 to 1270 - 30 30 1000 MIN 1000 MIN UL1581 VW-1 352 52 mm 8.990.5 mm Connector Fiber Length: 1000 mm MIN Life Support Applications These NEC products are not intended for use in life support devices, appliances, or systems where the malfunction of these products can reasonably be expected to result in personal injury. The customers of CEL using or selling these products for use in such applications do so at their own risk and agree to fully indemnify CEL for all damages resulting from such improper use or sale. 02/27/2003 A Business Partner of NEC Compound Semiconductor Devices, Ltd.