Op Amps for Everyone - The Repeater Builder's Technical ...

Operational Amplifier Parameter Glossary
PARAMETER ABBV UNITS DEFINITION INFO
Temperature coefficient of
input offset voltage
Total current into V CC +/
V DD+
Total current out of V DD–
αV IO
µV/°C
mA
mA
Total harmonic distortion THD dB
Total harmonic distortion
plus noise
THD+N
dB
Total power dissipation P D mW
Turn-on voltage (shutdown)
Turn-off voltage (shutdown)
V IH–
SHDN
V IL–
SHDN
Turn-on time (shutdown) t EN µs
Turn-off time (shutdown) t DIS µs
Unity gain bandwidth B 1 MHz
V
V
The ratio of the change in input offset voltage to the change in
free-air temperature. This is an average value for the specified
temperature range.
Maximum current that can be supplied to the positive power
terminal of the op amp — usually specified as an absolute
maximum.
Maximum current that can be drawn from the negative power
terminal of the op amp — usually specified as an absolute
maximum.
The ratio of the RMS voltage of the first nine harmonics of the
fundamental signal to the total RMS voltage at the output.
The ratio of the RMS noise voltage and RMS harmonic voltage
of the fundamental signal to the total RMS voltage at the
output.
The total dc power supplied to the device less any power
delivered from the device to a load. Note: At no load: P D =
V CC+ × I or P D = V DD+ × I
The voltage required on the shutdown pin to turn the device
on.
The voltage required on the shutdown pin to turn the device
off.
The time from when the turn-on voltage is applied to the shutdown
pin to when the supply current has reached half of its
final value.
The time from when the turn-off voltage is applied to the shutdown
pin to when the supply current has reached half of its
final value.
The range of frequencies within which the open-loop voltage
amplification is greater that unity.
11.3.1
11.3.14
11.3.15
Table 11–2.
Cross-Reference of Op Amp Parameters
ABBV
αI IO
∆V CC± /
∆V DD±
αV IO
∆V IO
A D
A m
A OL
A V
A VD
PARAMETER
Temperature coefficient of input offset current
Supply voltage sensitivity
Temperature coefficient of input offset voltage
Supply voltage sensitivity
Differential gain error
Gain margin
Open loop voltage gain
Large-signal voltage amplification
Differential voltage amplification
11-6