The AS301A is a general purpose operational amplifier. This amplifier offers many features which make its application nearly foolproof: overload protection on the input and output, no latch-up when the common mode range is exceeded, and freedom from oscillations and compensation with a single 30 pF capacitor. It has advantages over internally compensated amplifiers in that the frequency compensation can be tailored to the particular application.
For example, in low frequency circuits it can be overcompensated for increased stability margin. Or the compensation can be optimized to give more than a factor of ten improvements in high frequency performance for most applications.
In addition, the device provides better accuracy and lower noise in high impedance circuitry. The low input currents also make it particularly well suited for long interval integrators or timers, sample and hold circuits and low frequency waveform generators. Further, replacing circuits where matched transistor pairs buffer the inputs of conventional IC op amps, it can give lower offset voltage and a drift.
The AS301A is guaranteed over a temperature range of 0OC to +70OC and maintains performance at -45C and +85C.
Wide input voltage differential range
Compensation network design flexibility
Supply voltages from ±5V to 18V
Offset voltage 2 mV (typ)
Input current 250 nA (typ)
Offset current 30 nA (typ)
Guaranteed drift characteristics
Offsets guaranteed over entire common mode and supply voltage ranges - Slew rate of 10 V/us as a summing amplifier
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