The 2522 packaged photodiode incorporates a high-speed planar
PIN photodiode to provide a highly reliable, high-power photodiode
component. This package is well suited for receiver applications
with optical preamplification. The diode is well matched over the
operating frequency band, thereby simplifying high-speed
integration
.
Applications
Optically amplified systems
(following EDFA or Raman
1527
amplifiers)
Linear receiver applications
FEC and Super-FEC to 12.5
Gb/s
Performance Highlights
Min
Operating Temperature
Bandwidth
Responsivity, 1550 nm
Dark Current
25C
RF Return Loss
Group Delay
Optical Wavelength Range
Breakdown Voltage (I
R
= 10
μA)
Optical Return Loss
Photodiode Bias Voltage
Storage Temperature
-40
15
0.7
-
8
-10
1280
15
-
-
-40
Typ
25
-
-
-
12
-
-
-
-
5
-
Max
+85
21
-
5
-
30
1580
-
-40
12
+85
Units
°C
GHz
A/W
nA
dB
ps
nm
V
dB
V
°C
Features
Highly reliable planar
photodiode technology
High power capability
dc coupled
High breakdown voltage
Bandwidth up to 21 GHz
Good RF matching, 12 dB
typical
Hermetically sealed
For more information on this and other products:
Contact Sales at Emcore 626-293-3400, or visit www.emcore.com.
2522 Microwave Packaged Photodiode
DATASHEET| JULY 26, 2007
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are
absolute stress ratings only. Functional operation of the device is not implied at these or any other conditions in
excess of those given in the operational sections of the data sheet. Exposure to absolute maximum ratings for
extended periods can adversely affect device reliability.
Parameter
Operating Case Temperature Range
Storage Case Temperature Range
Optical Input Power
Forward Current
Reverse Bias Voltage
Lead Soldering Temperature/Time
Relative Humidity (non-condensing)
ESD Susceptibility (all pins)
1
Symbol
T
op
T
stg
P
IN
I
F
V
R
-
RH
-
Min
-40
-40
-
-
-
-
-
-
Max
+85
+85
+10
5
15
250/5
85
+500
Unit
°C
°C
mW
mA
V
°C/sec
%
V
1. Based on human-body model of R = 1500 W, C = 100 pF. In general, ESD precautions should be taken to avoid damage.
Electrical/Optical Characteristics
1
Parameter
Operating Temperature
Bias Voltage
Capacitance
Responsivity
Dark Current
Optical Return Loss
Wavelength
1.
Symbol
T
op
V
R
C
R
I
dark
ORL
λ
Condition
Referenced to base of package
-
-
1550 nm
25°C
85°C
-
-
Min
-40
-
-
0.7
-
-
-
1280
Typ
25
5
-
-
-
-
-
-
Max
85
12
0.15
-
5
50
-40
1580
Unit
°C
V
pF
A/W
nA
dB
nm
Specified characteristics apply for the recommended operating conditions at beginning of life, 25°C, unless noted otherwise.
EMCORE CORPORATION
2
2522 Microwave Packaged Photodiode
DATASHEET| JULY 26, 2007
RF Characteristics
1
Parameter
Bandwidth
Impedance
Symbol
f
3dB
Z
Condition
Relative to 100 MHz
Resistively matched SMA connector
At 2 GHz
At 15 GHz, 15 GHz option
At 18 GHz, 18 GHz option
At 21 GHz, 21 GHz option
0.5 GHz to 15 GHz, 15 GHz option
0.5 GHz to 18 GHz, 18 GHz option
0.5 GHz to 21 GHz, 21 GHz option
DC to 15 GHz, 15 GHz option
DC to 18 GHz, 18 GHz option
DC to 21 GHz, 21 GHz option
Min
15
-
-1
-1
-2
-3
-10
Typ
-
50
-
-
-
-
-
Max
-
-
+3
+3
+3
+3
+30
Unit
GHz
Ω
S21 Flatness
2
-
dB
Group Delay Flatness
3
GD
ps
Output RF Return Loss
RL
RF
8
-
-
dB
1.
2.
3.
Specified characteristics apply for the recommended operating conditions at beginning of life, 25°C, unless noted otherwise.
Measured relative to 250 MHz.
5% smoothing, relative to 2 GHz.
Pinout
Pin
1
2
Symbol
V
pd
GND
Function
Photodiode Bias
Case Ground
EMCORE CORPORATION
3
2522 Microwave Packaged Photodiode
DATASHEET| JULY 26, 2007
Outline Drawing
Dimensions are in inches.
100 cm + 10 cm
Conn
EMCORE CORPORATION
4
2522 Microwave Packaged Photodiode
DATASHEET| JULY 26, 2007
Ordering Information – Model Number Options
2522x-yyy-zz-aaa-bb
Bandwidth
A – 15 GHz
B – 18 GHz
C – 21 GHz
RF Connector
SMA – SMA connector (standard)
SSD – SSMD connector
RF Coupling
AC – AC-coupled
DC – DC-coupled (standard)
Fiber Length
100 – 1.00 + 0.1 meters
Optical Connector
SU – SC/UPC
SA – SC/APC
Information contained herein is deemed to be reliable and accurate as of issue date. EMCORE reserves the right to change the design or specifications of
the product at any time without notice. EMCORE and the EMCORE logo are trademarks of EMCORE Corporation.
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