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OPA124,pdf(Low Noise Precision
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2010-09-15
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The OPA124 is a precision monolithic FET opera-
tional amplifier using a Difet (dielectrical isolation)
manufacturing process. Outstanding DC and AC per-
formance characteristics allow its use in the most
critical instrumentation applications.
Bias current, noise, voltage offset, drift, open-loop
gain, common-mode rejection and power supply re-
jection are superior to BIFET and CMOS amplifiers.
Difet fabrication achieves extremely low input bias
currents without compromising input voltage noise
performance. Low input bias current is maintained
over a wide input common-mode voltage range with
unique cascode circuitry. This cascode design also
allows high precision input specifications and reduced
susceptibility to flicker noise. Laser trimming of thin-
film resistors gives very low offset and drift.
Compared to the popular OPA111, the OPA124 gives
comparable performance and is available in an 8-pin
PDIP and 8-pin SOIC package.
tional amplifier using a Difet (dielectrical isolation)
manufacturing process. Outstanding DC and AC per-
formance characteristics allow its use in the most
critical instrumentation applications.
Bias current, noise, voltage offset, drift, open-loop
gain, common-mode rejection and power supply re-
jection are superior to BIFET and CMOS amplifiers.
Difet fabrication achieves extremely low input bias
currents without compromising input voltage noise
performance. Low input bias current is maintained
over a wide input common-mode voltage range with
unique cascode circuitry. This cascode design also
allows high precision input specifications and reduced
susceptibility to flicker noise. Laser trimming of thin-
film resistors gives very low offset and drift.
Compared to the popular OPA111, the OPA124 gives
comparable performance and is available in an 8-pin
PDIP and 8-pin SOIC package.
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