NR8500

www.DataSheet4U.com NEC's φ50 µm InGaAs APD IN COAXIAL PACKAGE NR8500 Series FOR 155 Mb/s AND 622 Mb/s APPLICATIONS FEATURES SMALL DARK CURRENT: ID = 7 nA 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 SMF or GI-50 FIBER WITH SC CONNECTOR: Standard FC CONNECTOR: Option DESCRIPTION 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. ELECTRO-OPTICAL CHARACTERISTICS (TC = 25°C, Unless otherwise specified) PART NUMBER SYMBOLS VBR δ1 ID IDM Ct fC S M x F ORL PARAMETERS AND CONDITIONS Reverse Breakdown Voltage, ID =100 µA Temperature Coefficient of Reverse Breakdown Voltage Dark Current, VR = VBR x 0.9 Multiplied Dark Current, M = 2 to 10 Terminal Capacitance, VR = V(BR)R x 0.9, f = 1 MHz Cut-off Frequency, M = 10 M = 20 Sensitivity, λ = 1310 nm λ = 1550 nm UNITS V %/ºC nA nA pF GHz A/W 1.0 0.8 0.81 30 MIN 50 NR8500 Series TYP 70 0.2 7 1 0.5 1.5 1.2 0.94 0.96 40 0.7 5 dB 30 28 30 5 0.75 MAX 90 Multiplication Factor, λ = 1310 nm, IPO = 1.0 µA VR = V (@ID = 1 µA) Excess Noise Factor2, λ = 1310 nm, 1550 nm, IPO =1.0 µA, M = 10, f = 35 MHz, B = 1 MHz Excess Noise Factor2, λ = 1310 nm, 1550 nm, IPO =1.0 µA, M = 10, f = 35 MHz, B = 1 ...