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PGA203,pdf(Digitally Controlle
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大小:100 |
2010-09-27
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The PGA202 is a monolithic instrumentation ampli-
fier with digitally controlled gains of 1, 10, 100, and
1000. The PGA203 provides gains of 1, 2, 4, and 8.
Both have TTL or CMOS-compatible inputs for easy
microprocessor interface. Both have FET inputs and a
new transconductance circuitry that keeps the band-
width nearly constant with gain. Gain and offsets are
laser trimmed to allow use without any external com-
ponents. Both amplifiers are available in ceramic or
plastic packages. The ceramic package is specified
over the full industrial temperature range while the
plastic package covers the commercial range.
fier with digitally controlled gains of 1, 10, 100, and
1000. The PGA203 provides gains of 1, 2, 4, and 8.
Both have TTL or CMOS-compatible inputs for easy
microprocessor interface. Both have FET inputs and a
new transconductance circuitry that keeps the band-
width nearly constant with gain. Gain and offsets are
laser trimmed to allow use without any external com-
ponents. Both amplifiers are available in ceramic or
plastic packages. The ceramic package is specified
over the full industrial temperature range while the
plastic package covers the commercial range.
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