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DATA SHEET
The information in this document is subject to change without notice. Before using this document, please confirm that
this is the latest version.
Not all devices/types available in every country. Please check with local NEC Compound Semiconductor Devices
representative for availability and additional information.
PHOTO DIODE
NR8500 Series
φ
φφ
φ
50
µ
µµ
µ
m InGaAs APD COAXIAL MODULE
FOR 622 Mb/s, 156 Mb/s FIBEROPTIC COMMUNICATIONS
The mark •
••
• shows major revised poi nts.
Document No. PL10158EJ01V0DS (1st edition)
(Previous No. P15335EJ2V0DS00)
Date Published May 2002 CP(K)
Printed in Japan
NEC Corporation 2001
NEC Compound Semiconductor Devices 2002
DESCRIPTION
The 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 ideal as a receiver for Synchronous
Digital Hierarchy (SDH) system, STM-4 and STM-1, ITU-T recommendations.
FEATURES
• Small dark current ID = 7 nA
• High sensitivity S = 0.94 A/W @ λ = 1 310 nm, M = 1
S = 0.96 A/W @ λ = 1 550 nm, M = 1
• High speed response fC = 1.5 GHz @ M = 10
• Coaxial module with SMF or GI-50 fiber
• With SC connector : standard, FC connector : option
(Refer to ORDERING INFORMATION)
Data Sheet PL10158EJ01V0DS
2
NR8500 Series
PACKAGE DIMENSIONS (UNIT: mm)
FP/FR
P.C.D. = 2.0
φ
1.0±0.1
7.2±0.3
3.7±0.3
5.0±0.2
φ
3.2±0.2
φ
7.0±0.2
φ
2.2
3.2
10.5±1.04.0±0.5
24.7±1.0
2.2
φ
14.0±1.0
12.7±0.2
17.0±0.2
0.9
φ
0.9
φ
4.0±0.2
0.45±0.05
φ
1
23
1. Anode (Negative)
2. Cathode (Positive)
3. Case
1.2±0.2
PIN CONNECTIONS
Optical Fiber
Length: 1 m MIN.
1
2
3
3.5±0.5
5.0±0.2
φ
3.2±0.2
φ
7.0±0.2
φ
11.2±1.04.0±0.5
0.5±0.1
25.4±1.0
Optical Fiber
Length: 1 m MIN.
3.5±0.5
CP/CR
14.0±1.0
16.0±0.2
0.45±0.05
φ
0.5
1
23
P.C.D. = 2.0
φ
8.5±0.2
4
–
R1.25±0.2
12.0±0.1
7.0±0.2
1
2
3
φ
2– 2.5
PIN CONNECTIONS
1. Anode (Negative)
2. Cathode (Positive)
3. Case
OPTICAL FIBER CHARACTERISTICS
Specification UnitParameter
SMF GI-50 Fiber
Mode Field Diam et er 9.5±1−
µ
m
Core Diameter −50±3
µ
m
Cladding Diamet er 125±2 125±2
µ
m
Maxim um Cladding Nonc i rcularit y 2 2 %
Maximum Core/Cladding Concentricity 1.6 4.0 %
Outer Diamet er 0.9±0.1 0.9±0.1 mm
Cut-off Wavelength 1 100 to 1 270 −nm
Minimum Fi ber B endi ng Radi us 30 30 mm
Fiber Length 1 000 MIN. 1 000 MIN. mm
Flammability UL1581 VW-1
Connector
Fiber Length: 1 000 mm MIN.
35±2 mm
8.99±0.5 mm
Data Sheet PL10158EJ01V0DS 3
NR8500 Series
ORDERING INFORMATION
Part Number Flange Type Fiber Type Avail abl e Connec tor*1
NR8500FP-BC Flat Mount Fl ange SMF With FC-UPC Connect or
NR8500FP-CC With SC-UP C Connec tor
NR8500FR-BB GI-50 Fiber With FC-SP C Connec tor
NR8500FR-CB With SC-S PC Connector
NR8500CP-BC Vertic al M ount Flange SMF With FC-UPC Connec tor
NR8500CP-CC With SC-UPC Connector
NR8500CR-BB GI-50 Fiber With FC-SP C Connec tor
NR8500CR-CB With SC-SPC Connect o r
*1 SC Connector : standard
FC Connector : option
ABSOLUTE MAXIMUM RATINGS
Parameter Symbol Ratings Unit
Forward Current IF10 mA
Reverse Current IR1.0 mA
Operating Case Tem perature TC−40 to +85 °C
Storage Temperat ure Tstg −40 to +85 °C
Lead Soldering Temperature Tsld 260 (10 sec.) °C
Relativ e Hum i di ty (noncondensing) RH 85 %
Data Sheet PL10158EJ01V0DS
4
NR8500 Series
ELECTRO-OPTICAL CHARACTERISTICS (TC = 25°
°°
°C, unless otherwise specified)
Parameter Symbol Conditions MIN. TYP. MAX. Unit
Reverse Breakdown Volt age VBR ID = 100
µ
A 507090V
Temperature Coeff i cient of
Reverse Breakdown Volt age δ*1 0.2 %/°C
Dark Current IDVR = VBR × 0.9 7 30 nA
Multiplied Dark Current IDM M = 2 to 10 1 5 nA
Terminal Capaci tance CtVR = VBR × 0.9, f = 1 M Hz 0.5 0.75 pF
Cut-off Frequency f CM = 10 1.0 1.5 GHz
M = 20 1.2
Sensitivity S λ = 1 310 nm, M = 1 0.8 0.94 A/W
λ = 1 550 nm, M = 1 0.81 0.96
Multiplication Factor M λ = 1 310 nm, Ipo = 1.0
µ
A, 30 40
VR = V (@ ID = 1
µ
A)
Excess Noise Factor*2 xλ = 1 310 nm, 1 550 nm , Ipo = 1.0
µ
A, 0.7
F M = 10, f = 35 MHz , B = 1 MHz 5
Optical Return Loss ORL SMF 30 dB
GI-50 Fiber 28
*1 δ =
*2 F = MX
VBR (25°C +
∆
T°C) − VBR (25°C)
∆
T°C · VBR (25°C)
Data Sheet PL10158EJ01V0DS 5
NR8500 Series
TYPICAL CHARACTERISTICS (TC = 25°
°°
°C, unless otherwise specified)
WAVELENGTH DEPENDENCE
Wavelength λ ( m)
µ
Quantum Efficiency (%)
η
Case Temperature T
C
(°C)
TEMPERATURE DEPENDENCE
Sensitivity (Relative Value) S/S (%)
∆
OF QUANTUM EFFICIENCY OF SENSITIVITY
100
80
60
40
20
0
0.9 1.0 1.1 1.31.2 1.4 1.5 1.6 1.7
10
0
–10
λ = 1 310 nm
–60 –40 –20 020 40 60 80 100
10
–4
10
–5
10
–6
10
–7
10
–8
10
–9
10
–10
020
40 60 80
020 40 60 80 100
10
–6
10
–7
10
–8
10
–9
10
–10
T
C
= +85°C
+65°C
+25°C–20°C
020 40 60 80 100
10
3
10
2
10
1
10
0
T
C
= +85°C
+65°C
+25°C
–20°C
I
ph
I
D
λ = 1 310 nm,
I
po
= 1.0 A
µ
Reverse Voltage V
R
(V)
Dark Current, Photo Current I
D
, l
ph
(A)
DARK CURRENT AND PHOTO CURRENT
vs. REVERSE VOLTAGE DARK CURRENT vs. REVERSE VOLTAGE
Reverse Voltage V
R
(V)
Dark Current I
D
(A)
MULTIPLICATION FACTOR vs.
REVERSE VOLTAGE
Reverse Voltage V
R
(V)
Multiplication Factor M
100
10
2
10
1
Multiplication Factor M
Data Sheet PL10158EJ01V0DS
6
NR8500 Series
–60 –40 –20 0 20 40 60 80 100
λ = 1 310 nm,
R
L
= 50 Ω,
M = 8
10
–6
10
–7
10
–8
10
–9
10
–10
I
D
@V
R
= 0.9 V
BR
I
DM
λ = 1 310 nm
10
–11
1.0 2.0 3.0 4.0 5.0
0
110
10
0.1
1
100 12 51020 50
2
0.1
0.5
1
0.2
100
12 5
10 20 50
50
100
1
10
5
20
2
100
0.4
0.5
1 310 nm ( ), 1 550 nm ( )
f = 35 MHz, B = 1 MHz
Reverse Voltage V
R
(V)
Terminal Capacitance C
t
(pF)
Frequency f (GHz)
Response (3 dB/div.)
FREQUENCY RESPONSE
EXCESS NOISE FACTOR vs.
MULTIPLICATION FACTOR
Multiplication Factor M
Excess Noise Factor F
Multiplication Factor M
Cut-off Frequency f
C
(GHz)
CUT-OFF FREQUENCY vs.
MULTIPLICATION FACTOR
TEMPERATURE DEPENDENCE OF DARK
CURRENT AND MULTIPLIED DARK CURRENT
Case Temperature T
C
(˚C)
Dark Current, Multiplied Dark Current I
D
, I
DM
(A)
TERMINAL CAPACITANCE vs.
REVERSE VOLTAGE
Remark The graphs indicate nominal characteristics.
Data Sheet PL10158EJ01V0DS 7
NR8500 Series
InGaAs APD/PD FAMILY
Absolute Maximum Ratings Elect ro-Optical Characteris tics (T C = 25°C)
TCTstg
Detect-
IDfCSV
R
Part Number (°C) (°C)
ing Area
(nA) (GHz) (A/W) (V) Applications Package
Size
@λ
(
µ
m) TYP. MIN. TYP. (nm)
NR4500BP-CC 0 to +85 −40 to +85
φ
50 −2.5*1 0.94 1 310 0.9VBR 2.5 Gb/s:
Coaxial APD with
NR4500CP-CC 0.96 1 550 STM-16
an Internal pre-amp
NR7500 Series −40 to +85 −40 to +85
φ
50 0.1 2. 5 0.89 1 310 5 2.5 Gb/s : Coaxial PD
0.94 1 550 STM-16
NR7800 Series −40 to +85 −40 to +85
φ
80 0.1 2. 5 0.89 1 310 5 ≤ 622 Mb/s: Coaxial PD
0.94 1 550
STM-4, STM-1
NR8500 Series −40 to +85 −40 to +85
φ
50 7 1 0.94 1 310 0.9VBR ≤ 622 Mb/s: Coaxial APD
0.96 1 550
STM-4, STM-1
NR8501 Series −40 to +85 −40 to +85
φ
50 7 2.5 0.94 1 310 0.9VBR 2.5 Gb/s: Coaxial APD
0.96 1 550 STM-16
*1 PLow and PHigh are specified at 2.5 Gb/s
Data Sheet PL10158EJ01V0DS
8
NR8500 Series
REFERENCE
Document Nam e Document No.
Optical semiconducrtor devi ces for f i beroptic c om m uni cations Select i on Gui de P12480E
Opto-Electronics Devices Pamphlet P13623E
Opto-Electronics Devices (CD-ROM) P12944X
NEC semiconduc t or dev ice reliability/quality control system*1 C11159E
Quality grades on NEC sem i c onductor devi ces*1 C11531E
SEMICONDUCTOR SEL E CT ION GUIDE −P roducts and P ackages −*1 X13769E
*1 Published by NEC Corporation
Data Sheet PL10158EJ01V0DS 9
NR8500 Series
M8E 00. 4 - 0110
The information in this document is current as of May, 2002. The information is subject to change
without notice. For actual design-in, refer to the latest publications of NEC's data sheets or data
books, etc., for the most up-to-date specifications of NEC semiconductor products. Not all products
and/or types are available in every country. Please check with an NEC sales representative for
availability and additional information.
No part of this document may be copied or reproduced in any form or by any means without prior
written consent of NEC. NEC assumes no responsibility for any errors that may appear in this document.
NEC does not assume any liability for infringement of patents, copyrights or other intellectual property rights of
third parties by or arising from the use of NEC semiconductor products listed in this document or any other
liability arising from the use of such products. No license, express, implied or otherwise, is granted under any
patents, copyrights or other intellectual property rights of NEC or others.
Descriptions of circuits, software and other related information in this document are provided for illustrative
purposes in semiconductor product operation and application examples. The incorporation of these
circuits, software and information in the design of customer's equipment shall be done under the full
responsibility of customer. NEC assumes no responsibility for any losses incurred by customers or third
parties arising from the use of these circuits, software and information.
While NEC endeavours to enhance the quality, reliability and safety of NEC semiconductor products, customers
agree and acknowledge that the possibility of defects thereof cannot be eliminated entirely. To minimize
risks of damage to property or injury (including death) to persons arising from defects in NEC
semiconductor products, customers must incorporate sufficient safety measures in their design, such as
redundancy, fire-containment, and anti-failure features.
NEC semiconductor products are classified into the following three quality grades:
"Standard", "Special" and "Specific". The "Specific" quality grade applies only to semiconductor products
developed based on a customer-designated "quality assurance program" for a specific application. The
recommended applications of a semiconductor product depend on its quality grade, as indicated below.
Customers must check the quality grade of each semiconductor product before using it in a particular
application.
"Standard": Computers, office equipment, communications equipment, test and measurement equipment, audio
and visual equipment, home electronic appliances, machine tools, personal electronic equipment
and industrial robots
"Special": Transportation equipment (automobiles, trains, ships, etc.), traffic control systems, anti-disaster
systems, anti-crime systems, safety equipment and medical equipment (not specifically designed
for life support)
"Specific": Aircraft, aerospace equipment, submersible repeaters, nuclear reactor control systems, life
support systems and medical equipment for life support, etc.
The quality grade of NEC semiconductor products is "Standard" unless otherwise expressly specified in NEC's
data sheets or data books, etc. If customers wish to use NEC semiconductor products in applications not
intended by NEC, they must contact an NEC sales representative in advance to determine NEC's willingness
to support a given application.
(Note)
(1) "NEC" as used in this statement means NEC Corporation, NEC Compound Semiconductor Devices, Ltd.
and also includes its majority-owned subsidiaries.
(2) "NEC semiconductor products" means any semiconductor product developed or manufactured by or for
NEC (as defined above).
•
•
•
•
•
•
NEC Compound Semiconductor Devices Hong Kong Limited
Hong Kong Head Office
Taipei Branch Office
Korea Branch Office
TEL: +852-3107-7303
TEL: +886-2-8712-0478
TEL: +82-2-528-0301
FAX: +852-3107-7309
FAX: +886-2-2545-3859
FAX: +82-2-528-0302
NEC Electron Devices European Operations http://www.nec.de/
TEL: +49-211-6503-101 FAX: +49-211-6503-487
California Eastern Laboratories, Inc. http://www.cel.com/
TEL: +1-408-988-3500 FAX: +1-408-988-0279
0110
NEC Compound Semiconductor Devices, Ltd.
5th Sales Group, Sales Division TEL: +81-3-3798-6372 FAX: +81-3-3798-6783 E-mail: salesinfo@csd-nec.com
Business issue
NEC Compound Semiconductor Devices, Ltd. http://www.csd-nec.com/
Sales Engineering Group, Sales Division
E-mail: techinfo@csd-nec.com FAX: +81-44-435-1918
Technical issue
NR8500 Series
SAFETY INFORMATION ON THIS PRODUCT
Caution GaAs Products The product contains gallium ars enide, GaAs.
GaAs vapor and powder are hazardous to hum an heal th if inhal ed or i ngested.
• Do not destroy or burn the product .
• Do not cut or cleave of f any part of the product.
• Do not crush or chemical l y diss ol ve the product.
• Do not put the product in t he m out h.
Follow related l aws and ordinances for dispos al . The product shoul d be excluded f rom general
industri al was te or household garbage.
Caution Optical Fiber A gl ass-fi ber i s attached on the product . Handle with care.
• When the fiber i s broken or damaged, handl e c arefully to avoid inj ury from t he dam aged part
or fragments .
