EE2254 LINEAR INTEGRATED CIRCUITS AND APPLICATIONS

(Common to EEE, EIE & ICE)

AIM

To introduce the concepts for realizing functional building blocks in ICs, fabrications & application of
ICs.

OBJECTIVES

i. To study the IC fabrication procedure.
ii. To study characteristics; realize circuits; design for signal analysis using Op-amp ICs.
iii. To study the applications of Op-amp.
iv. To study internal functional blocks and the applications of special ICs like Timers, PLL
circuits, regulator Circuits, ADCs.

UNIT I IC FABRICATION 9

IC classification, fundamental of monolithic IC technology, epitaxial growth, masking and etching,
diffusion of impurities. Realisation of monolithic ICs and packaging. Fabrication of diodes,
capacitance, resistance and FETs.

UNIT II CHARACTERISTICS OF OPAMP 9

Ideal OP-AMP characteristics, DC characteristics, AC characteristics, offset voltage and current:
voltage series feedback and shunt feedback amplifiers, differential amplifier; frequency response of
OP-AMP; Basic applications of op-amp – summer, differentiator and integrator.

UNIT III APPLICATIONS OF OPAMP 9

Instrumentation amplifier, first and second order active filters, V/I & I/V converters, comparators,
multivibrators, waveform generators, clippers, clampers, peak detector, S/H circuit, D/A converter (R-
2R ladder and weighted resistor types), A/D converter - Dual slope, successive approximation and
flash types.

UNIT IV SPECIAL ICs 9

555 Timer circuit – Functional block, characteristics & applications; 566-voltage controlled oscillator
circuit; 565-phase lock loop circuit functioning and applications, Analog multiplier ICs.

UNIT V APPLICATION ICs 9

IC voltage regulators - LM317, 723 regulators, switching regulator, MA 7840, LM 380 power
amplifier, ICL 8038 function generator IC, isolation amplifiers, opto coupler, opto electronic ICs.
L = 45 TOTAL = 45PERIODS

TEXT BOOKS

1. Ramakant A.Gayakward, ‘Op-amps and Linear Integrated Circuits’, IV edition, Pearson
Education, 2003 / PHI. (2000)
2. D.Roy Choudhary, Sheil B.Jani, ‘Linear Integrated Circuits’, II edition, New Age, 2003.

REFERENCES

1. Jacob Millman, Christos C.Halkias, ‘Integrated Electronics - Analog and Digital circuits system’,
Tata McGraw Hill, 2003.
2. Robert F.Coughlin, Fredrick F.Driscoll, ‘Op-amp and Linear ICs’, Pearson Education, 4th edition,
2002 / PHI.
3. David A.Bell, ‘Op-amp & Linear ICs’, Prentice Hall of India, 2nd edition, 1997