φ50 µ µm InGaAs APD COAXIAL MODULE FOR 2.5 Gb/s NR8501 Series FIBER OPTIC COMMUNICATIONS FEATURES DESCRIPTION • SMALL DARK CURRENT: ID = 7 nA The NR8501 Series are InGaAs avalanche photo diode (APD) coaxial modules with single mode fiber. They are designed for long wavelength 2.5 Gb/s optical communication systems and are ideal as a reciever for Synchronous Digital Hierarchy (SDH) system, STM-16 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 = 2.5 GHz at M = 5 • 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 NR8501 Series UNITS MIN TYP MAX V 40 60 80 %/ºC 0.20 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 = 5 M = 10 M = 30 GHz 2.5 2.5 1.0 3.0 3.0 1.2 S Responsivity, λ = 1310 nm, M = 1 λ = 1550 nm, M = 1 A/W 0.80 0.81 0.94 0.96 M Multiplication Factor, λ = 1310 nm, IPO = 1.0 µA 30 40 30 VR = V (@ID = 1 µA) x Excess Noise Exponent, λ = 1310 nm, 1550 nm, IPO =1.0 µA, M = 10, f = 35 MHz, B = 1 MHz F Excess Noise Factor2, λ = 1310 nm, 1550 nm, IPO =1.0 µA, M = 10, f = 35 MHz, B = 1 MHz ORL Optical Return Loss SMF GI-50 Fiber 0.7 5 dB 30 28 Notes: VBR(25°C+∆T°C)-VBR(25°C) 1. δ = ∆T°C • VBR(25°C) 2. F = MX California Eastern Laboratories NR8501SERIES ABSOLUTE MAXIMUM RATINGS1 (TC = 25°C, 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 = 25°C, unless otherwise specified) TERMINAL CAPACITANCE vs. REVERSE VOLTAGE WAVELENGTH DEPENDENCE OF QUANTUM EFFICIENCY 100 Terminal Capacitance Ct (pf) Quantum Efficiency, η (%) 100 80 60 40 20 0 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 EXCESS NOISE FACTOR vs. MULTIPLICATION FACTOR Excess Noise Factor F 10 1 10 Multiplication Factor M 20 10 5 2 1 2 5 10 20 Reverse Voltage, VR (V) Wavelength, λ (µm) 0.1 1 50 100 50 100 NR8501SERIES TYPICAL PERFORMANCE CURVES (TC = 25°C, unless otherwise specified) DARK CURRENT AND PHOTO CURRENT vs. REVERSE VOLTAGE 10 -4 DARK CURRENT vs. REVERSE VOLTAGE 10 2 10-5 λ = 1310 nm, 10 -5 10 Iph 10-6 1 Dark Current, ID (nA) Ipo = 1.0 µA 10-6 10 -7 10 -8 Tc = 10-9 10 -10 10 -7 10 10 -12 0 20 40 60 80 Reverse Voltage, VR (V) -8 EXCESS NOISE FACTOR vs. MULTIPLICATION FACTOR 10-9 ID 100 10 Excess Noise Factor F Dark Current,ID, Iph (nA) 10-11 °C 100 °C +80 °C +60 °C +40 °C +20 0 °C °C -20 -10 10-11 10-12 0 20 40 60 80 • 1310 nm ( ), 1550 nm (O) f = 35 MHz, B=1 MHz 50 K 0.5 0.4 20 10 5 2 1 2 5 10 20 Reverse Voltage, VR (V) Multiplication Factor M 50 100 NR8501SERIES OUTLINE DIMENSIONS (Units in mm) NR8501BP/BR 0.45±0.04 6.0 15.0 8.0±0.3 4.3 0.5±0.2 24.5±1.0 PIN CONNECTIONS 0.5 2.2 1.2±0.2 3.2 8.0±0.3 18.5±1.0 6.0 ø7.0±0.2 14.0±1.0 φ7.0±0.2 φ 2.2 ø0.9 Optical Fiber Length: 1 m MIN 12.7±0.2 25.3±1.0 φ0.9 Optical Fiber Length: 1 m MIN With SC Connector 4.0±0.2 NR8501CP/CR ø0.45±0.05 14.0±1.0 16.0±0.2 17.0±0.2 3 2 7.2±0.3 1.0±0.1 3.7±0.3 P.C.D. φ2.0 PIN CONNECTIONS 1 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 1 8.5±0.2 12.0±0.15 OPTICAL FIBER CHARACTERISTICS 1 7.0±0.2 1. Anode (Negative) 2. Cathode (Positive) 3. Case PARAMETER SPECIFICATION UNITS SMF GI-50 Fiber Mode Field Diameter 9.5±1 − µm Core Diameter 50±3 µm Cladding Diameter 125±2 125±2 µm Maximum Cladding Noncircularity 2 2 % Maximum Core/Cladding Concentricity 1.6 4.0 % Outer Diameter 0.9±0.1 0.9±0.1 mm Cut-off Wavelength 1100 to 1270 nm Minimum Fiber Bending Radius 30 30 mm Fiber Length 1000 MIN 1000 MIN mm Flammability UL1581 VW-1 35±2 mm 8.99±0.5 mm Connector Fiber Length: 1000 mm MIN. ORDERING INFORMATION PART NUMBER NR8501BP-BC NR8501BP-CC NR8501BR-BB NR8501BR-CB NR8501CP-BC NR8501CP-CC NR8501CR-BB NR8501CR-CB 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 EXCLUSIVE NORTH AMERICAN AGENT FOR 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