Photo Diode
DISCONTINUED
NEC's φ80µm
InGaAs PIN-PD IN COAXIAL PACKAGE NR7800 SERIES
FOR 155Mb/s AND 622 Mb/s APPLICATIONS
FEATURES...
Description
DISCONTINUED
NEC's φ80µm
InGaAs PIN-PD IN COAXIAL PACKAGE NR7800 SERIES
FOR 155Mb/s AND 622 Mb/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 λ = 1310 nm S = 0.94 A/W AT λ = 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)
DESCRIPTION
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.
ELECTRO-OPTICAL CHARACTERISTICS (TC = 40° C to +85º C, unless otherwise specified)
PART NUMBER
NR7800 SERIES
SYMBOLS ID
Ct S
∆St
∆Sp
∆Sw
fc ORL
PARAMETERS AND CONDITIONS
Dark Current, VR = 5 V, TC = 25º C VR = 5 V
Terminal Capacitance, VR = 5 V, f = 1 MHz, TC = 25º C
Sensitivity, VR = 5 V, λ = 1310 nm VR = 5 V, λ = 1550 nm
Temperature Dependence of Sensitivity, VR = 5 V, λ = 1550 nm
Polarization Dependence of Sensitivity, VR = 5 V, λ = 1550 nm, TC = 25º C
Wavelength Dependence of Sensitivity, VR = 5 V, λ = 1520 to 1560 nm, TC = 25º C
Cut-off Frequency, VR = 5 V, TC = 25º C
Optical Return Loss, SMF GI-50 Fiber
UNITS nA
pF A/W
%
%
%
GHz dB
MIN
0.78 0.80
-5 -2.5 -2.5 2.5 30 28
TYP 0.1
1.0 0.89 0.94
MAX 1.0 20 1.5
5
2.5
2.5
Cali...
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