SHA1114_15 Datasheet, PDF (1/18 Pages) Analog Devices – HIGH RELIABILIIY CONVERTERS

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ADCIIII, DACII12,SHAII14,DACII17
OBSOLETE GENERAL DESCRIPTION
The ADCllll, DACl112, SHAl114, and DACl117 are fully
documented, high reliability converter products which are guar-
anteed to operate within specifications over the full military
temperature range. Qualification testing has proven that these
devices are capable of operating under severe environmental con-
ditions. A specification document is available for each product
which lists its characteristics and capabilities in great detail.
ADC1111
The ADCllll is a high reliability version of the ADC-12QM.
SHAl114
It performs 12 bit conversions in 25/ls (max) and has excellent
stability over temperature. It comes complete with an input
The SHAl114 is a high reliability version of the SHA-2A. It is
a fast sample-and-hold amplifier with a 500ns (max) acquisition
buffer and offers the choice of five user-rrogrammable input
voltage ranges. Module dimensions are 2' x 4" x 0.4" (51 x
102 x lOmm).
time to 0.01 % accuracy. Module dimensions are 2" x 3" x 0.4"
(51 x 76 x 10mm).
DACl112
The DACll12 is a high reliability version of the DAC-12QS.
This 2" x 2" x 0.4" (51 x 51 x 10mm) module, which comes
complete with a versatile output amplifier, settles to 0.01 %
accuracy in 5/ls. The user can program either of five output vol-
tage ranges by means of jumpers connected to the module's ter-
minal pins.
DACl117
The DACl117 is a high reliability 12 bit current output D/A
converter packaged in a 1.5" x 1" x 0.4" (38 x 25 x 10mm) her-
metically sealed metal enclosure. It settles to 0.01 % accuracy in
3/ls when used with a high speed output amplifier. This device
is also available in a non-military grade extended temperature
version, the MDA-12QD/ET, and a commercial grade version,
the MDA-12QD.
THE HIGH RELIABILITY CONVERTER PROGRAM
Analog Devices has, over the past several years, supplied a great
many A/D and D/ A converter modules intended for military
and critical industrial applications. As a result of this experience,
we know what is needed in a high reliability converter and what
it takes to build one. This experience is now available to you in
the form of the industry's first line of converter products inten-
ded expressly for high reliability applications.
ADVANTAGES TO THE USER
The first big advantage is the ease of specification. As part of
our development program, we have generated a separate speci-
fication drawing for each of the four products. These drawings
run an average of 17 pages and specify in exact detail all pertin-
106 CONVERTERS
ent characteristics of the module. By copying our drawing over
onto his own specification control drawing format, the user can
completely specify a high reliability converter module in a very
short time with a mimimum of effort.
The second advantage is that the system designer can get quick
delivery of units needed for breadboarding and prototyping. Since
the high reliability converters are standard products for us, they're
available in small quantities in a few weeks or less.
The third advantage is cost. The user is no longer in the
position of having to subsidize the development of a special high
reliability converter. We have sustained all the development
costs and the user pays only for the modules he actually requires
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