φ50 µm InGaAs APD COAXIAL MODULE FOR 622 Mb/s, 156 Mb/s NR8500 SERIES FIBER OPTIC COMMUNICATIONS FEATURES DESCRIPTION • SMALL DARK CURRENT: ID = 7 nA The NR8500 Series are InGaAs avalanche photo diode (APD) coaxial modules with single mode fiber. They are designed for long wavelength optical communication systems and are 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 λ = 1310 nm, M = 1 S = 0.96 A/W at λ = 1550 nm, M = 1 • HIGH SPEED RESPONSE: fC = 1.5 GHz at M = 10 • COAXIAL MODULE WITH SINGLE MODE FIBER (SMF) or GI-50 Fiber • WITH SC CONNECTOR: Standard, FC Connector: Option (Refer to Ordering Information) ELECTRO-OPTICAL CHARACTERISTICS (TC = 25°C, Unless otherwise specified) PART NUMBER SYMBOLS VBR PARAMETERS AND CONDITIONS Reverse Breakdown Voltage, ID =100 µA δ1 Temperature Coefficient of Reverse Breakdown Voltage ID NR8500 Series UNITS MIN V 50 TYP MAX 70 100 %/ºC 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 1.5 1.2 S Responsivity, λ = 1300 nm λ = 1550 nm A/W 0.8 0.81 0.94 0.96 M Multiplication Factor, λ = 1300 nm, IPO = 1.0 µA VR = V (@ID = 1 µA) 30 40 x Excess Noise Exponent, λ = 1300 nm, 1550 nm, IPO =1.0 µA, M = 10, f = 35 MHz, B = 1 MHz F Excess Noise Factor2, λ = 1300 nm, 1550 nm, IPO =1.0 µA, M = 10, f = 35 MHz, B = 1 MHz ORL Optical Return Loss SMF GI-50 Fiber 30 0.7 5 dB 30 28 Note: VBR(25°C+∆T°C)-VBR(25°C) 1. δ = ∆T°C • VBR(25°C) 2. F = MX California Eastern Laboratories NR8500 SERIES ABSOLUTE MAXIMUM RATINGS1 (TC = 25°C, unless otherwise specified) SYMBOLS PARAMETERS UNITS RATINGS IF Forward Current mA 10 IR Reverse Current mA 0.5 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 = 25°C, unless otherwise specified) TEMPERATURE DEPENDENCE OF RESPONSIVITY WAVELENGTH DEPENDENCE OF QUANTUM EFFICIENCY Responsivity (Relative Value), ∆S/S (%) Quantum Efficiency, η (%) 100 80 60 40 20 0 10 λ = 1300 nm 0 -10 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 -60 Wavelength, λ (µm) -20 0 20 40 60 80 100 10 DARK CURRENT vs. REVERSE VOLTAGE -6 λ = 1310 nm IPO = 1.0 µA TC = 25°C 10-4 10-7 lph 10-5 Dark Current, ID (A) Dark Current, Photo Current, ID, lph (A) DARK CURRENT AND PHOTO CURRENT VS. REVERSE VOLTAGE 10-3 -40 Operating Case Temperature, TC (°C) 10-6 10-7 10-8 TC = 65°C 10-9 TC = 25°C ID 10-9 10 TC = 85°C 10-8 TC = -20°C 10-10 -10 0 20 40 60 80 Reverse Voltage, VR (V) 100 0 20 40 60 80 Reverse Voltage, VR (V) 100 NR8500 SERIES TYPICAL PERFORMANCE CURVES (TC = 25°C, unless otherwise specified) TEMPERATURE DEPENDENCE OF DARK CURRENT and MULTIPLIED DARK CURRENT Multiplication Factor, M 103 TC = 65°C 102 TC = -20°C TC = 25°C 101 TC = 85°C 100 0 20 40 60 80 100 Dark Current, Multiplied Dark Current ID, IDM (A) MULTIPLICATION FACTOR vs. REVERSE VOLTAGE 10-6 λ = 1300 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 (ºC) FREQUENCY RESPONSE CUT-OFF FREQUENCY vs. MULTIPLICATION FACTOR 10 λ = 1300 nm RL = 50Ω M=8 TC = 25°C Response, (3 dB/div.) Cut-off Frequency, fC (GHz) TC = 25°C 0 1.0 2.0 3.0 4.0 1 0.1 5.0 Frequency, f (GHz) 1 10 100 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 0.1 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) NR8500BP/BR 0.5 0.45±0.04 25.3±1.0 6.0 8.0±0.3 4.3 0.5±0.2 15.0 24.5±1.0 18.5±1.0 6.0 ø7.0±0.2 14.0±1.0 2.2 1.2±0.2 3.2 8.0±0.3 φ 2.2 ø0.9 Optical Fiber Length: 1 m MIN φ7.0±0.2 4.0±0.2 NR8500CP/CR φ0.9 Optical Fiber Length: 1 m MIN With SC Connector 12.7±0.2 ø0.45±0.05 14.0±1.0 16.0±0.2 17.0±0.2 PIN CONNECTIONS 2 7.2±0.3 1.0±0.1 3.7±0.3 3 P.C.D. φ2.0 1 PIN CONNECTIONS P.C.D. = ø2.0 4–R1.25±0.2 1. Anode (Negative) 2. Cathode (Positive) 3. Case 3 2 3 2 2–ø2.5 8.5±0.2 12.0±0.15 OPTICAL FIBER CHARACTERISTICS PARAMETER SPECIFICATION SMF GI-50 Fiber 9.5±1 − 50±3 125±2 125±2 2 2 Mode Field Diameter Core Diameter Cladding Diameter Maximum Cladding Noncircularity Maximum Core/Cladding Concentricity 1.6 4.0 Outer Diameter 0.9±0.1 0.9±0.1 Cut-off Wavelength 1100 to 1270 Minimum Fiber Bending Radius 30 30 Fiber Length 1000 MIN 1000 MIN Flammability UL1581 VW-1 1 1 7.0±0.2 1. Anode (Negative) 2. Cathode (Positive) 3. Case UNIT µm µm µm % % mm nm mm mm 35±2 mm 8.99±0.5 mm Connector Fiber Length: 1000 mm MIN. ORDERING INFORMATION PART NUMBER NR8500BP-BC NR8500BP-CC NR8500BR-BB NR8500BR-CB NR8500CP-BC NR8500CP-CC NR8500CR-BB NR8500CR-CB EXCLUSIVE NORTH AMERICAN AGENT FOR FLANGE TYPE Flat Mount Flange Vertical Mount Flange FIBER TYPE AVAILABLE CONNECTOR SMF With FC-UPC Connector With SC-UPC Connector GI-50 Fiber With FC-UPC Connector With SC-UPC Connector SMF With FC-UPC Connector With SC-UPC Connector GI-50 Fiber With FC-UPC Connector With SC-UPC Connector RF, MICROWAVE & OPTOELECTRONIC SEMICONDUCTORS CALIFORNIA EASTERN LABORATORIES • Headquarters • 4590 Patrick Henry Drive • Santa Clara, CA 95054-1817 • (408) 988-3500 • Telex 34-6393 • FAX (408) 988-0279 24-Hour Fax-On-Demand: 800-390-3232 (U.S. and Canada only) • Internet: http://WWW.CEL.COM 06/19/2001 DATA SUBJECT TO CHANGE WITHOUT NOTICE