MICROPAC INDUSTRIES, INC. OPTOELECTRONIC PRODUCTS DIVISION • 725 E. Walnut St., Garland, TX 75040 • (972) 272-3571 • Fax (972) 487-6918
www.micropac.com E-MAIL: optosales@micropac.com
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66079 OPTICALLY COUPLED DIGITAL FILTER
Mii
OPTOELECTRONIC PRODUCTS
DIVISION
Features:
• DSCC Approved 916761HXX
• 10 MBd typical
• Meets Tempest EMI/RFI emanation criteria
• TTL compatible input and output
• RFI Rejection 80dB to 1GHz
• Faraday shield to provide high common mode
rejection


Applications:

• Military and space
• Secure communication systems
• Isolated receiver input
• Microprocessor system interface
• Digital isolation for A/D, D/A converters
DESCRIPTION
The 66079 Optically Coupled Digital Filter consists of an LED optically coupled to a high speed, high gain inverting detector
gate. Maximum isolation can be achieved while providing a TTL output capable of switching with propagation delays of 55nS
typical. The 66079 is a hermetically sealed package which is threaded in order to provide convenient bulkhead mounting and
is available in standard and screened versions or tested to customer specifications. The 66079-001 is a hermetically sealed
package which can be soldered or press-fit mounted and is also available in standard and MIL-PRF-38534 screened versions
or tested to customer specifications.
ABSOLUTE MAXIMUM RATINGS
Storage Temperature............................................................................................................................................. -65°C to +150°C
Operating Free-Air Temperature Range ............................................................................................................... -55°C to +125°C
Lead Solder Temperature........................................................................................... 260
°
C for 10s (1.6mm below seating plane)
Peak Forward Input Current ..........................................................................................................................40mA (1ms duration)
Forward Input Current Continuous ........................................................................................................................................ 20mA
Supply voltage - V
CC
.................................................................................................................................. 7V(1 minute maximum)
Output Current - I
O
................................................................................................................................................................. 25mA
Output Power Dissipation ...................................................................................................................................................... 40mW
Output Voltage - V
O
.....................................................................................................................................................................7V
Total Power Dissipation ...................................................................................................................................................... 175mW
Package Dimensions Schematic Diagram
OUT
V .100 ± .005
Vcc
GROUND NC
Ø
0.016 [0.406]
0.019 [0.483]
0.221 [5.613]
0.229 [5.817]
0.209 [5.309]
0.212 [5.385]
N.C.
ANODE
CATHODE
0.100 ± .005 [2.540] Ø
66079-001
Ø
0.016 [0.406]
0.019 [0.483]
GROUND N.C.
RED POINT
V OUT Vcc
0.100Ø ±.005
0.100Ø ±.005 RED POINT
N.C.
CATHODE
ANODE
1.230 [31.231]
0.015 [0.381]
MAX
THREADS ARE .250± .010
40 ± 0.1 TURNS PER INCH
66079-000
ALL DIMENSIONS ARE IN INCHES [MILLIMETERS]
ALL DIMENSIONS ARE IN INCHES [MILLIMETERS] Vcc AND GROUND.
CONNECTED BETWEEN
CAPACITOR MUST BE
A.01 TO 0.1
NOTE:
F BYPASS
GND
OUT
VCC
A
K
CASE
0.532 [13.521]
0.562 [14.283]0.500 [12.691]
0.560 [14.215]
0.137 [3.480]
0.167 [4.242]
0.312 ±.005
[7.935]
0.500 [12.691]
0.560 [14.215]
0.453 [11.506]
0.463 [11.760]
0.312 ±.005
[7.935]