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FOD0721 Schematic ( PDF Datasheet ) - Fairchild Semiconductor

Teilenummer FOD0721
Beschreibung (FOD07xx) 25Mbit/sec Logic Gate Optocoupler
Hersteller Fairchild Semiconductor
Logo Fairchild Semiconductor Logo 




Gesamt 12 Seiten
FOD0721 Datasheet, Funktion
www.DataSheet4U.com
FOD0721, FOD0720, FOD0710
High CMR, 25Mbit/sec Logic Gate Optocoupler
May 2008
Features
20kV/µs minimum CMR
40ns max. propagation delay
Data Rate, Non-Return Zero Coding
– 25Mbit/sec (FOD0721 and FOD0720)
– 12.5Mbit/sec (FOD0710)
Pulse Width Distortion
– 6ns (FOD0721)
– 8ns (FOD0720 and FOD0710)
+5V CMOS compatibility
Extended industrial temperate range
– -40 to 100°C temperature range
Safety and regulatory approvals
– UL1577, 3750 VACrms for 1 min. (File #E90700,
Volume 2)
– IEC60747-5-2 pending approval
Applications
Industrial fieldbus communications
– Profibus, DeviceNet, CAN, RS485
Programmable logic control
Isolated data acquisition system
Description
The FOD0721/0720/0710 family utilizes Fairchild’s
patented coplanar packaging technology, Optoplanar®,
and optimized IC design to guarantee minimum 20kV/µs
Common Mode Noise Rejection (CMR) rating.
These high-speed logic gate optocouplers consist of a
high-speed AlGaAs LED driven by a CMOS IC coupled
to a CMOS detector IC, comprising an integrated photo-
diode, a high-speed transimpedance amplifier and a
voltage comparator with an output driver. The CMOS
technology coupled to the high efficiency of the LED
achieves low power consumption as well as very high
speed (40ns propagation delay, 6ns pulse width
distortion).
These devices are available in a compact 8-pin small
outline package.
Package Dimensions
0.164 (4.16)
0.144 (3.66)
0.202 (5.13)
0.182 (4.63)
0.143 (3.63)
0.123 (3.13)
0.010 (0.25)
0.006 (0.16)
0.021 (0.53)
0.011 (0.28)
0.008 (0.20)
0.003 (0.08)
0.050 (1.27)
TYP
0.244 (6.19)
0.224 (5.69)
Lead Coplanarity : 0.004 (0.10) MAX
Note:
All dimensions are in inches (millimeters)
©2004 Fairchild Semiconductor Corporation
FOD0721, FOD0720, FOD0710 Rev. 1.0.7
www.fairchildsemi.com






FOD0721 Datasheet, Funktion
Typical Performance Curves
www.DataSheet4U.com
Figure 1. Typical Output Voltage vs. Input Voltage
5
4
3
2
1
0
012345
V - Input Voltage (V)
I
Figure 3. Typical Propogation Delay vs. Ambient Temperature
(FOD0710)
26
25
24
23
t
PLH
22
t
PHL
21
20
19
18
-4 0
-20
0 20 40 60
TA - Ambient Temperature (°C)
80 100
Figure 5. Typical Propogation Delay vs. Ambient Temperature
(FOD0721/FOD0720)
28
Frequency = 12.5MHz
Duty Cycle = 50%
V = V = 5.0V
DD1
DD2
26
t
PLH
24
22
t
PHL
20
18
-40
-20
0 20 40 60
TA - Ambient Temperature (°C)
80 100
©2004 Fairchild Semiconductor Corporation
FOD0721, FOD0720, FOD0710 Rev. 1.0.7
Figure 2. Typical Input Voltage Switching Threshold vs.
Input Supply Voltage
1.9
V = 5.0V
D D2
1.8
1.7
1.6
1.5
1.4
4.50
4 .7 5
5.00
5.25
V - Input Supply Voltage (V)
D D1
5.50
Figure 4. Typical Pulse Width Distortion vs. Ambient Temperature
(FOD0710)
4
Frequency = 6.25MHz
Duty Cycle = 50%
V = V = 5.0V
DD1
DD2
3
2
1
0
-1
-2
-3
-40 -20 0 20 40 60 80 100
TA - Ambient Temperature (°C)
Figure 6. Typical Pulse Width Distortion vs. Ambient Temperature
(FOD0721/FOD0720)
5
Frequency = 12.5MHz
Duty Cycle = 50%
4
V = V = 5.0V
D D1
DD 2
3
2
1
0
-1
-2
-3
-40
-20
0 20 40 60
TA - Ambient Temperature (°C)
80 100
www.fairchildsemi.com
6

6 Page









FOD0721 pdf, datenblatt
www.DataSheet4U.com
TRADEMARKS
The following includes registered and unregistered trademarks and service marks, owned by Fairchild Semiconductor and/or its global
subsidiaries, and is not intended to be an exhaustive list of all such trademarks.
ACEx®
Build it Now™
CorePLUS™
CROSSVOLT
CTL™
Current Transfer Logic™
EcoSPARK®
EZSWITCH™ *
®
Fairchild®
Fairchild Semiconductor®
FACT Quiet Series™
FACT®
FAST®
FastvCore™
FlashWriter® *
FPS™
FRFET®
Global Power ResourceSM
Green FPS™
Green FPS™e-Series™
GTO™
i-Lo
IntelliMAX™
ISOPLANAR™
MegaBuck™
MICROCOUPLER™
MicroFET™
MicroPak™
MillerDrive™
Motion-SPM™
OPTOLOGIC®
OPTOPLANAR®
®
PDP-SPM™
Power220®
POWEREDGE®
Power-SPM™
PowerTrench®
Programmable Active Droop™
QFET®
QS™
QT Optoelectronics™
Quiet Series™
RapidConfigure™
SMART START™
SPM®
STEALTH™
SuperFET™
SuperSOT™-3
SuperSOT™-6
SuperSOT™-8
SupreMOS™
SyncFET™
®
The Power Franchise®
TinyBoost™
TinyBuck™
TinyLogic®
TINYOPTO™
TinyPower™
TinyPWM™
TinyWire™
µSerDes™
UHC®
Ultra FRFET™
UniFET™
VCX™
* EZSWITCH™ and FlashWriter® are trademarks of System General Corporation, used under license by Fairchild Semiconductor.
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS
HEREIN TO IMPROVE RELIABILITY, FUNCTION, OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE
APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS
PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. THESE SPECIFICATIONS DO NOT EXPAND THE TERMS OF FAIRCHILD’S
WORLDWIDE TERMS AND CONDITIONS, SPECIFICALLY THE WARRANTY THEREIN, WHICH COVERS THESE PRODUCTS.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR
SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION.
As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the body or
(b) support or sustain life, and (c) whose failure to perform
when properly used in accordance with instructions for use
provided in the labeling, can be reasonably expected to
result in a significant injury of the user.
2. A critical component in any component of a life support,
device, or system whose failure to perform can be
reasonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification Product Status
Advance Information
Formative or In Design
Preliminary
First Production
No Identification Needed Full Production
Obsolete
Not In Production
Definition
This datasheet contains the design specifications for product
development. Specifications may change in any manner without notice.
This datasheet contains preliminary data; supplementary data will be
published at a later date. Fairchild Semiconductor reserves the right to
make changes at any time without notice to improve design.
This datasheet contains final specifications. Fairchild Semiconductor
reserves the right to make changes at any time without notice to improve
the design.
This datasheet contains specifications on a product that has been
discontinued by Fairchild Semiconductor. The datasheet is printed for
reference information only.
Rev. I33
©2004 Fairchild Semiconductor Corporation
FOD0721, FOD0720, FOD0710 Rev. 1.0.7
12
www.fairchildsemi.com

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