le08 - 9/29/2009 EE2315 Lecture08 Introductionto...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
9/29/2009 1 E E 2315 Lecture 08 Introduction to Operational Amplifiers Operational Amplifiers •Ideal operational amplifiers are easily analyzed • Assumptions for ideal operation are realistic •Inexpensive commercial Op Amps available as integrated circuits • Practical applications for instrumentation, signal processing and control circuits A741 Pinout
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
9/29/2009 2 Op Amp Terminals +Vcc Positive supply voltage Inverting -Vcc Output Input Noninverting Input Negative supply voltage Op Amp Terminal Currents +V cc V i o i n i p i c+ -V cc V cc V cc i c- Common Node Op Amp Terminal Voltages +V cc -V cc + + + V cc V cc v p - v o - v n - Common Node
Background image of page 2
9/29/2009 3 Equivalent Circuit A(V V R o R i p i o p -V n ) i + v o - i n Assumptions for Ideal Op Amp •Open loop Gain, A  v p v n 0 •Then v p v n 0 R i   • R    0 and 0 i i p 0 and i n • Gain is linear up to the saturation voltage • Saturation voltage equals power supply voltage Open Loop Characteristics +V cc v o
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/20/2010 for the course EE 2315 taught by Professor Staff during the Fall '08 term at UT Arlington.

Page1 / 6

le08 - 9/29/2009 EE2315 Lecture08 Introductionto...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online