VSC7809WC [VITESSE]
Photodetector/Transimpedance Amplifier Family for Optical Communication; 光电/阻放大器系列，适用于光通信
| 型号： | VSC7809WC |
| 厂家： | 
VITESSE SEMICONDUCTOR CORPORATION |
| 描述： | Photodetector/Transimpedance Amplifier Family for Optical Communication |
| 文件： | 总10页 (文件大小：144K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
VITESSE
SEMICONDUCTOR CORPORATION
Advance Product Information
Photodetector/Transimpedance Amplifier
Family for Optical Communication
VSC7809
Features
• Integrated Photodetector/Transimpedance
Amplifier Optimized for High-Speed Optical
Communications Applications
• Low Input Noise Equivalent Power
• Large Optically Active Area
• Single 3.3V Power Supply
• Fibre Channel/Gigabit Ethernet Compatible
• High Bandwidth
Bandwidth
(MHz)
Input Noise
(µW rms)
Optically Active Area
Part Number
Data Rate
(µm diameter)
VSC7809
1.25Gb/s
800
1.4
100
General Description
The VSC7809 integrated Photodetector/Transimpedance Amplifier provides a highly integrated solution
for converting light from a fiber optic communications channel into a differential output voltage. The benefits
of Vitesse Semiconductor’s Gallium Arsenide H-GaAs process are fully utilized to provide very high bandwidth
and low noise in a product with a large optically active area for easy alignment. The sensitivity, duty cycle dis-
tortion and jitter meet or exceed all Fibre Channel and Gigabit Ethernet application requirements. Parts are
available in either die form, flat-windowed packages or in ball-lens packages.
By using a metal-semiconductor-metal (MSM) photodetector with a monolithic integrated transimpedance
amplifier, the input capacitance is lowered which allows for a larger optically active area than in discrete photo-
detectors. Integration also allows superior tracking over process, temperature and voltage between the photode-
tector and the amplifier, resulting in higher performance. This part can easily be used in developing Fibre
Channel Electro-Optic Receivers which exhibit very high performance and ease of use.
VSC7809 Block Diagram
Photodetector/Transimpedance Amplifier
+3.3V
DOUTP
DOUTN
GND
Both DOUTP and DOUTN are back-terminated to 25Ω.
G52195-0, Rev 2.4
04/05/01
Page 1
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
VITESSE
SEMICONDUCTOR CORPORATION
Advance Product Information
Photodetector/Transimpedance Amplifier
Family for Optical Communication
VSC7809
Table 1: Electro-Optical Specifications(1)
Symbol
Parameter
Supply Voltage
Min
Typ(2)
Max
Units
Conditions
VSS
IDD
3.0
14
3.3
23
3.6
40
V
Supply Current
mA
Frequencies up to 40MHz
Use external filter to get
PSRR
Power Supply Rejection Ratio
-
-10
-
dB
PSRR of -35dB(3)
.
λ
Wavelength
700
-
840
1.8
850
2.5
nm
-3db, P(4) = -15dBm @
50MHz
fC
Low Frequency Cutoff
MHz
-3db,
BW
Optical Modulation Bandwidth
800
1100
-
MHz
P = -15dBm @ 50MHz
S
Sensitivity
-20
20
-21
25
dBm
1.25Gb/s, BER10-12(5)
RO
Single Ended Output Impedance
30
Ω
P = -5dBm,
VO
RD
Differential Output Voltage
Differential Responsivity
0.2
0.8
0.26
1.2
0.4
V
RLOAD = 100Ω differential
RLOAD = 100Ω
P = -15dBm @ 50MHz
-
mV/µW
VDC
Output Bias Voltage
1.0
-
-
-
V
∆VDC
NEPO
VNO
Bias Offset Voltage
-
-
200
1.4
1.25
4.5
-
mV
Input Noise Equivalent Power
Output Noise Voltage
Duty Cycle Distortion
Output Drive Current
1
µW rms P = 0mW
-
1.0
-
mV rms P = 0mW
DCD
IOUT
-
%
P = -5dBm
P = -5dBm
2.0
2.6
mA
P = -5dBm
+/-10% Voltage Window
PDJ
Pattern Dependent Jitter
-
35
60
ps
----
PPJ
tR
Optically Active Area
PP Jitter
-
-
-
-
100
190
-
-
µm
ps
Diameter
250
400
400
P = -5 dBm
Rise Time
ps
20%-80% P = -5dBm
20%-80% P = -5dBm
tF
Fall Time
-
ps
Notes: (1) Specified over 0°C (ambient) to 70°C (case).
(2) Typical conditions 25°C and 3.3V power supply.
(3) See Note 1 in Application Note 48.
(4) P = Incident Optical Power
(5) See Note 2 In Application Note 48.
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
Page 2
G52195-0, Rev 2.4
04/05/01
VITESSE
SEMICONDUCTOR CORPORATION
Advance Product Information
Photodetector/Transimpedance Amplifier
Family for Optical Communication
VSC7809
Table 2: Absolute Maximum Ratings
Symbol
Parameter
Limits
VSS
Power Supply
6V Required
TSTG
HSTG
HOP
Storage Temperature
Storage Humidity
-55°C to 125°C (case temperature under bias)
5 to 95% R.H. (including condensation)
8 to 80% R.H. (excluding condensation)
+3dBm
Operating Humidity
Incident Optical Power
PINC
500 G. Half Sine Wave
Pulse Duration 1 +/-0.5 ms
3 blows in each direction
IS
Impact Shock
Vibration
20 > 2000 > 20Hz, 10 Minutes
10 G. Peak Acceleration
VIB
4 Complete Cycles, 3 Perpendicular Axes
Table 3: Recommended Operating Conditions
Symbol
Parameter
Limits
VSS
Power Supply
3.0VP-3.6V (3.3V nominal)
0°C (ambient) to 70°C (case)
0dBm
TOP
Operating Temperature
Maximum Optical Power
PMAX
G52195-0, Rev 2.4
04/05/01
Page 3
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
VITESSE
SEMICONDUCTOR CORPORATION
Advance Product Information
Photodetector/Transimpedance Amplifier
Family for Optical Communication
VSC7809
Table 4: Pin Table Specifications for Ball Lens Packages, Flat Window Packages and Bare Die
Symbol
Description
DOUTP
DOUTN
VSS
Data output normal (with reference to incident light)
Data output complement (inverting) (with reference to incident light)
Power supply
GND
Ground (package case)
NOTE: Pin Diagram is identical for both TO-46 and TO-56 package styles.
Figure 1: Pin Diagram
VSS
DOUTP
DOUTN
GND
Bottom View
Figure 2: Schematic View of Bare Die Pad Assignments
GND
DOUTN
GND
DOUTP
VSS
GND
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
Page 4
G52195-0, Rev 2.4
04/05/01
VITESSE
SEMICONDUCTOR CORPORATION
Advance Product Information
Photodetector/Transimpedance Amplifier
Family for Optical Communication
VSC7809
Package Information
Individual Die
(4x) 0.365
(4x) 0.055
φ0.1
(6x) 0.11
0.42
DOUTP
GND
DOUTN
GND
VSC7809
VSS
GND
(2x) 0.247
(2x) 0.1235
(2x) 0.18
0.835
0.94
0.05
0.05
1.04 ± 0.05
G52195-0, Rev 2.4
04/05/01
Page 5
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
VITESSE
SEMICONDUCTOR CORPORATION
Advance Product Information
Photodetector/Transimpedance Amplifier
Family for Optical Communication
VSC7809
TO-46 Flat Window Package
Reference Isometric
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
Page 6
G52195-0, Rev 2.4
04/05/01
VITESSE
SEMICONDUCTOR CORPORATION
Advance Product Information
Photodetector/Transimpedance Amplifier
Family for Optical Communication
VSC7809
TO-56 Flat Window Package
Reference Isometric
G52195-0, Rev 2.4
Page 7
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
04/05/01
VITESSE
SEMICONDUCTOR CORPORATION
Advance Product Information
Photodetector/Transimpedance Amplifier
Family for Optical Communication
VSC7809
TO-46 Ball Lens Package—7mm Lead Length
Reference Isometric
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
Page 8
G52195-0, Rev 2.4
04/05/01
VITESSE
SEMICONDUCTOR CORPORATION
Advance Product Information
Photodetector/Transimpedance Amplifier
Family for Optical Communication
VSC7809
TO-46 Ball Lens Package—13mm Lead Length
Reference Isometric
G52195-0, Rev 2.4
04/05/01
Page 9
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
VITESSE
SEMICONDUCTOR CORPORATION
Advance Product Information
Photodetector/Transimpedance Amplifier
Family for Optical Communication
VSC7809
Ordering Information
The order number for this product is formed by a combination of the device type and package type.
xx
VSC7809
Device Type
Photodetector/Transimpedance Amplifier
Family for Optical Communication
Package
WA: TO-46 Flat Window
WB: TO-56 Flat Window
WC: TO-46 Ball Lens—7mm Lead Length
WD: TO-46 Ball Lens—13mm Lead Length
X: Bare Dice
Notice
Vitesse Semiconductor Corporation (“Vitesse”) provides this document for informational purposes only. This document contains pre-production
information about Vitesse products in their concept, development and/or testing phase. All informaiton in this document, including descriptions of
features, functions, performance, technical specifications and availability, is subject to change without notice at any time. Nothing contained in this
document shall be construed as extending any warranty or promise, express or implied, that any Vitesse product will be available as described or
will be suitable for or will accomplish any particular task.
Vitesse products are not intended for use in life support appliances, devices or systems. Use of a Vitesse product in such applications without writ-
ten consent is prohibited.
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
Page 10
G52195-0, Rev 2.4
04/05/01
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