8 and 20u sec Analog-to-Digital Converters
®®
ADC-HX, ADC-HZ Series
12-Bit, 8 and 20μsec Analog-to-Digital Converters
FEATURES
12-bit resolution 8 or 20 mic...
Description
®®
ADC-HX, ADC-HZ Series
12-Bit, 8 and 20μsec Analog-to-Digital Converters
FEATURES
12-bit resolution 8 or 20 microsecond conversion times 5 input voltage ranges Internal high Z input buffer Short-cycle operation MIL-STD-883 models available
+15V POWER 28
–15V POWER 31
PRODUCT OVERVIEW
The ADC-HX and ADC-HZ Series are self-
Both models have identical operation except for
contained, high-performance, 12-bit A/D convert- conversion speed. They can be short-cycled to give
ers manufactured with thick and thin-film hybrid faster conversions in lower-resolution applica-
technology. They use the successive approximation tions. Use of the internal buffer amplifier increases
conversion technique to achieve a 12-bit conver- conversion time by 3 microseconds, the settling
sion in 20 and 8 microseconds, respectively. Five time of the amplifier. Output coding is comple-
input voltage ranges are programmable by external mentary binary, complementary offset binary, or
pin connection. An internal buffer amplifier is also complementary two’s complement. Serial data is
provided for applications in which 50 megohm
also brought out. The package is a 32-pin ceramic
input impedance is required.
TDIP. Models are available for use in commercial
These converters utilize a fast 12-bit monolithic (0 to +70°C), industrial (–40 to +100°C), or military
DAC which includes a precision zener reference
(–55 to +125°C) operating temperature ranges.
source. The circuit also contai...
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