OP400
Quad Low-Offset, Low-Power
Operational Amplifier
v+
BIAS
OUT
VOL TAGE
LIMITING
NETWORK
+IN
-IN
v-
Logic Diagram
F
EATURES
:
• R
AD
-P
AK
® technology-hardened against natural space
• radiation
• Total dose hardness:
- > 100 krad (Si), depending upon space mission
• Package:
- 16 pin Rad-Pak® flat package
• Low input offset voltage 150µ V max
• Low offset voltage drift
- +1.2µ V/°C max (over -55 to +125°C)
• Low supply current (per amplifier) 725 µ A max
• High open-loop gain 5000V/mV min
• Input bias current 3 nA Max
• Low noise voltage density 11 nV per (Hz)
�½
at 1 kHz
• Stable with large capacitive loads 10 nF typ
D
ESCRIPTION
:
Maxwell Technologies’ OP400 monolithic quad operational
amplifier microcircuit features a greater than 100 krad (Si) typ-
ical total dose tolerance, depending upon space mission.
Using Maxwell’s radiation-hardened R
AD
-P
AK
® packaging
technology, the OP400 has an extremely low input offset volt-
age no less than 150 mV with a drift of under 1.2 mV/°C, guar-
anteed over the full military temperature range. The OP400
features low power consumption, drawing less than 725 µ A
per amplifier.
Maxwell Technologies' patented R
AD
-P
AK
packaging technol-
ogy incorporates radiation shielding in the microcircuit pack-
age. It eliminates the need for box shielding while providing
the required radiation shielding for a lifetime in orbit or space
mission. In a GEO orbit, R
AD
-P
AK
provides greater than 100
krad (Si) radiation dose tolerance. This product is available
with screening up to Class S.
Memory
09.12.02 REV 5
All data sheets are subject to change without notice
1
(858) 503-3300 - Fax: (858) 503-3301 - www.maxwell.com
©2001 Maxwell Technologies
All rights reserved.
MAXWELL [ MAXWELL TECHNOLOGIES ]
