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| NEC's m 50 InGaAs PIN-PD IN COAXIAL PACKAGE FOR 2.5 Gbp/s APPLICATIONS FEATURES * SMALL DARK CURRENT: ID = 0.1 nA * 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) NR7500 SERIES DESCRIPTION NEC's NR7500 Series is an InGaAs PIN photo diode (PIN-PD) coaxial module with optical fiber pigtail. This module is designed for long wavelength 2.5 Gb/s optical fiber communication systems and is ideal as a reciever for Synchronous Digital Hierarchy (SDH) system, STM-16, ITU-T recommendations. ELECTRO-OPTICAL CHARACTERISTICS (TC = 40 C to +85 C, unless otherwise specified) PART NUMBER SYMBOLS ID Ct S fc ORL PARAMETERS AND CONDITIONS Dark Current, VR = 5 V, TC = 25 C VR = 5 V Terminal Capacitance, VR = 5 V, f = 1 MHz, TC = 25 C Sensitivity, VR = 5 V, = 1310 nm VR = 5 V, = 1550 nm Cut-off Frequency, VR = 5 V, TC = 25 C Optical Return Loss SMF GI-50 Fiber GHz dB pF A/W 0.78 0.80 2.5 30 28 0.7 0.89 0.94 UNITS nA MIN NR7500 Series TYP 0.1 MAX 1.0 20 0.9 California Eastern Laboratories NR7500 Series ABSOLUTE MAXIMUM RATINGS1 (TC = 25C, unless otherwise specified) SYMBOLS VR IF PIN TC TSTG TSLD RH PARAMETERS Reverse Voltage Forward Current Optical Input Power Operating Case Temp. Storage Temperature Lead Soldering Temp. Relative Humidity (noncondensing) UNITS V mA mW C C C % RATINGS 20 10 8 -40 to +85 -40 to +85 260 (10 sec.) 85 Note: 1. Operation in excess of any one of these parameters may result in permanent damage. TYPICAL PERFORMANCE CURVES (TC = 25C, unless otherwise specified) WAVELENGTH DEPENDENCE OF QUANTUM EFFICIENCY TEMPERATURE DEPENDENCE OF SENSITIVITY 10 Sensitivity (Relative Value), S/S (%) 100 = 1310 nm Quantum Efficiency, (%) 80 60 0 40 20 0 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 -10 -60 -40 -20 0 20 40 60 80 100 Wavelength, (m) Operating Case Temperature, TC (C) REVERSE VOLTAGE DEPENDENCE OF DARK CURRENT 10 TEMPERATURE DEPENDENCE OF DARK CURRENT 10 VR = 5 V Dark Current, ID (nA) 1.0 TC = 75C 50C Dark Current, ID (nA) 1.0 0.1 25C 0.1 0C 0.01 -25C 0.01 0.001 0 10 20 0.001 -60 -40 -20 0 20 40 60 80 100 Reverse Voltage, VR (V) Remark:The graphs indicate nominal characteristics. Operating Case Temperature, TC (C) NR7500 Series TYPICAL PERFORMANCE CURVES (TC = 25C, unless otherwise specified) REVERSE VOLTAGE DEPENDENCE OF TERMINAL CAPACITANCE 2 f = 1.0 MHz FREQUENCY RESPONSE 12 9 6 VR = 5 V = 1310 nm PIN = -10 dB RL = 50 Terminal Capacitance, Ct (pF) 1 Response (dB) 3 0 -3 -6 -9 -12 0.5 0.3 0.1 0.3 1 3 10 -15 0 2.5 5.0 Reverse Voltage, VR (V) Remark:The graphs indicate nominal characteristics. Frequency, f (GHz) OUTLINE DIMENSIONS (Units in mm) NR7500FP/FR Optical Fiber Length: 1 m MIN o0.9 o3.20.2 3.50.5 NR7500CP/CR Optical Fiber Length: 1 m MIN o0.9 o3.20.2 3.50.5 11.21.0 4.00.5 14.01.0 25.41.0 4.00.5 4.00.2 2.2 o2.2 10.51.0 o7.00.2 1.20.2 3.2 24.71.0 o5.00.2 o5.00.2 o7.00.2 14.01.0 0.50.1 o0.450.05 0.5 o0.450.05 12.70.2 17.00.2 16.00.2 PIN CONNECTIONS 3.70.3 PIN CONNECTIONS P.C.D. = o2.0 4-R1.250.2 7.00.2 P.C.D. = o2.0 1.00.1 3 2 1 3 2 7.20.3 1 3 2 3 2 1 1 1. Anode (Negative) 2. Cathode (Positive) 3. Case 2 - o2.5 8.50.2 12.00.1 NR7500 Series OPTICAL FIBER CHARACTERISTICS PARAMETER UNITS SPECIFICATION SMF 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 9.51 - 1252 2 1.6 0.90.1 1100 to 1270 30 1000 MIN GI-50 - 503 1252 2 4.0 0.90.1 - 30 1000 MIN UL1581 VW-1 352 mm 52 8.990.5 mm Connector Fiber Length: 1000 mm MIN ORDERING INFORMATION PART NUMBER FLANGE TYPE NR7500FP-BC Flat mount Flange NR7500FP-CC NR7500FR-BB NR7500FR-CB NR7500CP-BC Vertical Mount NR7500CP-CC Flange NR7500CR-BB NR7500CR-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. 02/24/2003 A Business Partner of NEC Compound Semiconductor Devices, Ltd. |
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