Perfect Opamps

This is an idealised theoretical version of the Op-Amp

Characteristics	Symbol	Ideal	Realistic Value
Open Loop Gain	$A_{o l}$	$\infty$	20k-200k
Input Impedance ( $\frac{V _{in}}{I _{in}}$ )	$Z_{in}$	$\infty$	pA-mA
Output Impedance ( $\frac{V _{o u t}}{I _{o u t}}$ )	$Z_{o u t}$	0	$20 k \ohm$
Bandwidth	BW	$\infty$	Gain Bandwidth Product
Offset Voltage	$V_{o}$	0	mV
Common-Mode Rejection (CMRR)	CMRR	$\infty$	$\approx 100 d B$

Quartz 4