m NEC's 80 InGaAs PIN-PD IN COAXIAL PACKAGE NR7800 SERIES FOR 155Mb/s AND 622 Mb/s APPLICATIONS FEATURES DESCRIPTION * SMALL DARK CURRENT: ID = 0.1 nA NEC's NR7800 Series are InGaAs PIN photo diode (PIN-PD) coaxial modules with optical fiber pigtail. These modules are designed for long wavelength optical communication systems and are ideal as recievers for Synchronous Digital Hierarchy (SDH) system, STM-4 and STM-1, ITU-T recommendations. * HIGH SPEED RESPONSE: fc = 2.5 GHz MIN. * HIGH SENSITIVITY: S = 0.89 A/W AT = 1310 nm S = 0.94 A/W AT = 1550 nm * LOW OPERATING VOLTAGE: VR = 5 V * 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 = 40 C to +85 C, unless otherwise specified) PART NUMBER SYMBOLS PARAMETERS AND CONDITIONS ID Dark Current, VR = 5 V, TC = 25 C VR = 5 V Ct Terminal Capacitance, VR = 5 V, f = 1 MHz, TC = 25 C S Sensitivity, VR = 5 V, = 1310 nm VR = 5 V, = 1550 nm NR7800 SERIES UNITS MIN nA pF A/W 0.78 0.80 TYP MAX 0.1 1.0 20 1.0 1.5 0.89 0.94 St Temperature Dependence of Sensitivity, VR = 5 V, = 1550 nm % -5 5 Sp Polarization Dependence of Sensitivity, VR = 5 V, = 1550 nm, TC = 25 C % -2.5 2.5 S w Wavelength Dependence of Sensitivity, VR = 5 V, = 1520 to 1560 nm, TC = 25 C % -2.5 2.5 GHz 2.5 dB 30 28 fc ORL Cut-off Frequency, VR = 5 V, TC = 25 C Optical Return Loss, SMF GI-50 Fiber California Eastern Laboratories NR7800 Series ABSOLUTE MAXIMUM RATINGS1 (TC = 25C, unless otherwise specified) SYMBOLS PARAMETERS UNITS RATINGS VR Reverse Voltage V 20 IF Forward Current mA 10 PIN Optical Input Power mW 8 TC -40 to +85 Operating Case Temp. C TSTG Storage Temperature C -40 to +85 TSLD Lead Soldering Temp. 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 10 Sensitivity (Relative Value), S/S (%) Quantum Efficiency, (%) 100 80 60 40 20 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 -40 -20 0 20 40 60 80 100 Wavelength, (m) Operating Case Temperature, TC (C) REVERSE VOLTAGE DEPENDENCE OF DARK CURRENT TEMPERATURE DEPENDENCE OF DARK CURRENT 10 10 VR = 5 V Dark Current, ID (nA) Dark Current, ID (nA) 0 -10 -60 0 0.9 = 1310 nm TC = 75C 1.0 50C 25C 0.1 0C 1.0 0.1 0.01 0.01 -25C 0.001 0 10 20 Reverse Voltage, VR (V) Remark:The graphs indicate nominal characteristics. 0.001 -60 -40 -20 0 20 40 60 80 Operating Case Temperature, TC (C) 100 NR7800 Series TYPICAL PERFORMANCE CURVES (TC = 25C, unless otherwise specified) REVERSE VOLTAGE DEPENDENCE OF TERMINAL CAPACITANCE FREQUENCY RESPONSE 5 12 9 Terminal Capacitance, Ct (pF) VR = 5 V = 1310 nm RL = 50 Response (dB) 6 3 0 -3 -6 -9 f = 1.0 MHz 1 -12 0.5 -15 2.5 0 0.01 5.0 0.1 Frequency, f (GHz) 1 10 100 Reverse Voltage, VR (V) Remark:The graphs indicate nominal characteristics. OUTLINE DIMENSIONS (Units in mm) NR7800BFP/FR Optical Fiber Length: 1 m MIN o0.9 24.71.0 12.70.2 17.00.2 2 7.20.3 1 3.70.3 1.00.1 3 2 o0.450.05 16.00.2 3 P.C.D. = o2.0 0.5 o0.450.05 0.50.1 14.01.0 o2.2 4.00.5 3.50.5 2.2 10.51.0 1.20.2 3.2 o7.00.2 o5.00.2 3.50.5 11.21.0 4.00.5 14.01.0 25.41.0 o3.20.2 o3.20.2 o5.00.2 4.00.2 o0.9 3 P.C.D. = o2.0 1 2 3 1. Anode (Negative) 2. Cathode (Positive) 3. Case 1 4-R1.250.2 2 2 - o2.5 1 8.50.2 12.00.1 7.00.2 Optical Fiber Length: 1 m MIN NR7800CP/CR 1. Anode (Negative) 2. Cathode (Positive) 3. Case NR7800 Series OPTICAL FIBER CHARACTERISTICS PARAMETER UNITS SPECIFICATION SMF GI-50 Mode Field Diameter m 9.51 - Core Diameter m - 503 Cladding Diameter m 1252 1252 Maximum Cladding Noncircularity % 2 2 Maximum Core/Cladding Concentricity % 1.6 4.0 mm 0.90.1 0.90.1 Cut-off Wavelength nm 1100 to 1270 - Minimum Fiber Bending Radius mm 30 30 Fiber Length mm 1000 MIN 1000 MIN Outer Diameter Flammability UL1581 VW-1 352 52 mm 8.990.5 mm Connector Fiber Length: 1000 mm MIN ORDERING INFORMATION PART NUMBER FLANGE TYPE NR7800FP-BC Flat mount Flange NR7800FP-CC NR7800FR-BB NR7800FR-CB NR7800CP-BC Vertical Mount NR7800CP-CC Flange NR7800CR-BB NR7800CR-CB Note: 1. SC Connector: standard FC Connector: option FIBER TYPE SMF GI-50 Fiber SMF GI-50 Fiber AVAILABLE CONNECTOR1 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 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. 04/02/2003 A Business Partner of NEC Compound Semiconductor Devices, Ltd.