SIMPLORER User Manual V6.0 - FER-a

Component Nodes
SIMPLORER 6.0 — Manual 145
Description Node Name Nature
Base BASE electrical
Emitter EMITTER electrical
Collector COLLECTOR electrical
Dynamic OPV Model
>>Basics>Circuit>Semiconductors Device Level
The model represents a differential-voltage amplifiers with or without universal frequency
compensation for digital and analog applications. The operational amplifier is a general amplifier
with differential input. It is used for controlling purposes, analog computation, filters,
video technics, digital technics, ADC/DAC and power amplifiers in the analog or switched
case.
The power supply of the operational amplifier is not modeled as an electrical node. Instead of
that, the supply voltage and, if necessary, the noise on it, can be entered as parameters of the
mode. The frequency characteristic of the operational amplifier determined only by the parameter
F_TR which is the transit frequency of the model. At this frequency, the gain of the
operational amplifier equals '1'. Please note: The thermal behavior not implemented! Uncompensated
frequency behavior with oscillation tendency (phase shift < -90°), this means instability
of the gain cannot be modelled.
Dialog Settings
«Parameter List 1 to define an OPV»
Define the values of OpAmp parameters in the table. Common parameter types. Enter a numerical
value, a variable, or an expression in the text box or use the pin to connect a quantity.
Look the meaning up in the parameter table below.
«Parameter List 2 to define an OPV»
Define the values of OpAmp parameters in the table. Common parameter types. Enter a numerical
value, a variable, or an expression in the text box or use the pin to connect a quantity.
Look the meaning up in the parameter table below.
Internal Voltage Source:
VOFF VIOFF + DG ⋅ VCM + DP ⋅ VNSUPPLY + COEFFVIOFF ⋅ ( TEMP – TEMP0)
+ Dt CMRR 20
DG 10 ⁄ –
=
( )
PSRR 20
= DP10 ⁄ – ( )
2πt
= DtLDF 86.4 10 3
=
⋅ sin⎛----------------------
⎞
⎝ ⎠
⋅