|Phase margin (fm)||The absolute value of
the open-loop phase shift between the
output and the inverting input at the frequency at which the
modulus of the open-loop amplification is unity.
|Gain margin (Am)||The reciprocal of the
open-loop voltage amplification at the
lowest frequency at which the open-loop phase shift is such that the output is in phase with the inverting input.
|The ratio of the
peak-to-peak output voltage swing to the
change in input voltage required to drive the output.
|The ratio of the change
in the output to the change in
differential input voltage producing it with the common-mode
input voltage held constant.
† Unity gain
†Average noise figure
Input bias current
Input offset current
† Supply voltage
|Slew rate (SR)||The average time rate of change of the closed-loop amplifier output voltage for a step-signal input.|
Rise time (tr)
|The time required for an output voltage step to change from 10% to 90% of its final value.|
|Total response time (ttot)||The time between a step-function change of the input signal and the instant at which the magnitude of the output signal reaches, for the last time, a specified level range (±e) containing the final output signal level.|
|Input voltage range (VI)||The range of voltage that if exceeded at either input may cause the operational amplifier to cease functioning properly.|
|Input offset voltage (VIO)||The dc voltage that must
be applied between the input
terminals to force the quiescent dc output voltage to zero or other level, if specified.
|The average of the two input voltages.|
voltage range (VICR)
|The range of common-mode input voltage that if exceeded may cause the operational amplifier to cease functioning properly.|
noise voltage (Vn)
|The voltage of an ideal
voltage source (having internal
impedance equal to zero) in series with the input terminals of the device that represents the part of the internally generated noise that can properly be represented by a voltage source.
|Crosstalk Attenuation (V01/V02)||The ratio of the change in output voltage of a driven channel to the resulting change in output voltage of another channel.|
|The voltage at an output with input conditions applied that according to the product specifications will establish a high level at the output.|
|The voltage at an output with input conditions applied that according to the product specifications will establish a low level at the output.|
|The voltage at the non-inverting input with respect to the inverting input.|
|Maximum peak output voltage swing (VOM)||The maximum positive or
negative voltage that can be
obtained without waveform clipping when quiescent dc output voltage is zero.
output voltage swing VO(PP)
|The maximum peak-to-peak
voltage that can be obtained
without waveform clipping when quiescent dc output voltage is zero.
|The parallel sum of the small-signal impedance between each input terminal and ground.|
|Output impedance (Zo)||The small-signal impedance between the output terminal and ground.|
|Overshoot factor||The ratio of the largest deviation of the output signal value from its final steady-state value after a step-function change of the input signal to the absolute value of the difference between the steady-state output signal values before and after the step-function change of the input signal.|
|THD + N
distortion plus noise (THD + N)
|The ratio of the RMS noise voltage and RMS harmonic voltage of the fundamental signal to the total RMS voltage at the output.|
|The product of the open-loop voltage amplification and the frequency at which it is measured.|
drift coefficient of
input offset voltage
|The ratio of the change in input offset voltage to the change time. This is an average value for the specified time period. Usually measured in μV/month.|