1. 13-1 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Chapter Thirteen Operational Amplifier Circuits

2. 13-2 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 13.2 A simple bipolar operational amplifier

3. 13-3 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 13.3 Equivalent circuit, 741 op-amp

4. 13-4 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 13.5 Bias circuit and input stage portion of 741 op-amp circuit

5. 13-5 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 13.7 Reference circuit and gain stage, 741 op-amp

6. 13-6 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 13.8 Basic output stage, 741 op-amp, showing currents and voltages

7. 13-7 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 13.9 Output stage, 741 op-amp with short-circuit protection devices

8. 13-8 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 13.14 MC14573 CMOS op-amp equivalent circuit

9. 13-9 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 13.15 (a) Classical cascode stage; (b) folded-cascode stage

10. 13-10 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 13.16 CMOS folded cascode amplifier

11. 13-11 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 13.17 CMOS current-mirror op-amp

12. 13-12 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 13.19 BICMOS folded cascode amplifier

13. 13-13 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 13.20 CA3140 BICMOS op-amp equivalent circuit

14. 13-14 McGraw-Hill Copyright © 2001 by the McGraw-Hill Companies, Inc. All rights reserved. Figure 13.21 Bias circuit, CA3140 BICMOS op-amp