ETC AMT8300T46L

AMT8300T46F
AMT8300T46L
2.5 Gb/s 850 nm Detector Preamp
Advanced Product Information - Rev 1
FEATURES
•
•
•
•
•
2.5 Gb/s Differential Output TIA
3.3V Operation
Automatic Gain Control
850 nm Photodetector
TO-46 Ultra Flat Window or Ball Lens
Package
APPLICATIONS
• SONET OC-48/SDH STM-16 (2.488 Gb/s)
• 2x Fibre Channel (2.12 Gb/s)
• 2.5 Gb/s Infiniband
T46F
TO-46 Ultra Flat
Window Package
T46L
TO-46 Ball Lens
Package
Electrical Characteristics (TA = 25 °C, VDD = +3.3V ± 10%)
PARAMETER
M IN
TYP
MAX
U N IT
W a ve length ( λ)
770
850
860
nm
-
75
-
µm
D e te c to r A c t i v e A r e a
S m a ll S i g n a l D iffe rential (@ 5 0 M H z ) R e s p o n s i v i t y
(1)
1000
-
-
V /W
(1)
1800
-
-
MHz
Low Frequency Cutoff
-
-
300
kHz
Output Resistance
-
40
-
Ω
0
-
-
dBm
-
-20
-
dBm
-
130
-
ps
-
5
-
%
-
40
60
mA
+ 3.0
+3.3
+3.6
V o lts
0
-
70
°C
B a n d w i d th
O p tical Overload
(2)
O p tical Sensitivity
(2)
T RISE & T F A L L ( 2 0 - 8 0 % )
D uty C y c l e D i s t o r t i o n
(3), (4)
(3), (5)
S u p p ly C urrent
O p e r a ting V o lta g e R a n g e
O p e r a ting Te m p e ra ture R a n g e
(1)
(2)
(3)
(4)
(5)
Measured at –14 dBm optical input power with output connected into RL = 100Ω (differential)
Measured at 10-10 BER with a 27-1 PRBS at 2.5 Gb/s
Input optical power = -3 dBm, RL = 100 Ω (differential).
Measured with a 1.25 MHz, 50% duty cycle square wave.
Measured with a 2.5 Gb/s, 27-1 PRBS.
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AMT8300T46L
Absolute Maximum Ratings
V DD
5.0V
P IN
+5dBm
TS
Storage Temp. - 65 °C to 125 °C
TO-46 Package PIN Description
Pin
Description
Comment
1
VOUT - TIA Output Voltage (Non-Inverted)
Logical '1' with optical input
2
VDD - Positive Supply Voltage
+3.3 Volts
3
VOUT - TIA Output Voltage (Inverted)
Logical '0' with optical input
4
Ground
Case is grounded
Block Diagram
V DD
2
OUT
1
3
OUT
AGC
US Patents: 5047728, 5646573
PIN
Charge
Pump
8.5 GHz
Osc
4
FIGURE 1: AMT8300 Equivalent Ciruit
2
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AMT8300T46L
Measurement Methods
Lightwave
Analyzer
HP 8702D
Laser
DUT Test
Fixture
Optical Attenuator
Power
Supply
Extinction
Ratio= 3dB
FIGURE 2. Test Setup for Frequency Response
BERT
Pulse Pattern
Generator
Error
Detector
Hybrid
Coupler
Optical
Attenuator
Laser
Limiting
Amplifier
DUT Test
Fixture
Extinction
Ratio = 9dB
Power
Supply
FIGURE 3. Test Setup for Sensitivity
3
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AMT8300T46L
Measurement Methods Cont’d
Digital
Communication
Analyzer HP83480A
Pulse Pattern
Generator
DUT Test
Fixture
Optical
Attenuator
Laser
Extinction
Ratio = 9dB
Power
Supply
FIGURE 4. Test Setup for Eye Measurements
VDD
0.1uF
DUT
VOUT
0.1uF
V OUT
0.1 uF
FIGURE 5. DUT Test Fixture Schematic
4
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AMT8300T46L
Application Schematic
VDD
0.1uF
2
4K
OUT
1
CF
OUT
3
AGC
Charge
Pump
0.1uF
RO
0.1uF
LIMITING
AMPLIFIER
8.5 GHz
OSC
4
CF is an optional single pole noise filter
CF =
1
2π fcR
fc = desired cutoff frequency
R = 50 Ω
RO is required with high input resistance limiting amplifiers
RO = 100 Ω
5
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AMT8300T46L
T46F Package Outline Diagram
6
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AMT8300T46L
T46L Package Outline Diagram
7
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AMT8300T46L
ANADIGICS, Inc.
35 Technology Drive
Warren, New Jersey 07059
Tel: (908) 668-5000
Fax: (908) 668-5132
http://www.anadigics.com
[email protected]
IMPORTANT NOTICE
ANADIGICS, Inc. reserves the right to make changes to its products or discontinue any product at any time without notice.
The Advanced Product data sheets and product specifications contained in this data sheet are subject to change prior to
a products formal introduction. The information in this data sheet has been carefully checked and is assumed to be reliable.
However, ANADIGICS assumes no responsibility for inaccuracies. ANADIGICS strongly urges customers to verify that the
information they are using is current before placing orders.
WARNING
ANADIGICS products are not intended for use in life support appliances, devices, or systems. Use of an ANADIGICS
product in any such application without written consent is prohibited.
8
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