Linear Integrated Circuit Questions and Answers – Integrated Circuit Package Type, Pin Configuration and Temperature Range – 2

This set of Linear Integrated Circuit Multiple Choice Questions & Answers focuses on “Integrated Circuit Package Type, Pin Configuration and Temperature Range – 2”.

1. Find out the op-amp which does not have same specifications and behaviour as that of N5741?
a) MC1741
b) CA3741
c) SN52741
d) None of the mentioned
View Answer

Answer: d
Explanation: All these op-amp have the same they specifications and behave the same because the last three digits in each manufacturer designation is 741. For example Fairchild’s original µA741 is also manufactured by various other manufacturers under their own designation.

2. The op-amps 741C and 741E are identical to op-amps
a) 741s and 741A
b) 741 and 741A
c) 741A and 741Sc
d) 741 and 741S
View Answer

Answer: b
Explanation: The 741C and 741E are identical to 741 and 741A except that the former have their performance guaranteed over a temperature range 0o to 70o or 75oc.

3. Which of the following is a military grade op-amp?
a) 741
b) 741C
c) 741S
d) 741SC
View Answer

Answer: c
Explanation: The 741S is a military grade op-amp with a higher slew rate (rate of change of output voltage per unit of time) than the 741 op-amp.
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4. Which of the following is in correct? “First generation op-amp ”
a) Consists of hundred transistors/chip
b) Requires an external frequency compensating network for stable operation
c) Have short circuit protection
d) Has latch-up problem
View Answer

Answer: c
Explanation: First generation op-amp has no short circuit protection. The op-amp is susceptible to burnout if output accidentally shorted to ground.

5. What is the disadvantage of integrated circuit?
a) Parameter within the IC cannot be modified
b) Low power requirement
c) ICs are considered to use minimum number of external connections
d) None of the mentioned
View Answer

Answer: a
Explanation: The disadvantage of IC is that, a lack of flexibility an IC. It is generally not possible to modify the parameters within which an integrated circuit will operate.
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6. Whenever an IC is designed manufacturers use a
a) Specific code and manufacturer’s name
b) Specific code and specific type number
c) Specific code and specific value
d) Specific type number
View Answer

Answer: b
Explanation: Each manufacturer uses a specific code and assign a specific type number to the IC’s produced. That is, each manufacturer uses their own identifying initial followed by IC type number.

7. General purpose op-amp cannot be used for the application
a) Integrator
b) Audio power amplifier
c) Differentiation
d) Summing amplifier
View Answer

Answer: b
Explanation: Audio power amplifier is a special purpose op-amp and is used only for the specific application they are designed for.
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8. Low volume production methods are best suited to hybrid IC technology because
a) It require stipulated temperature to fabricate a circuit
b) It require several steps to fabricate a circuit
c) It require large components to fabricate a circuit
d) It require various designers to fabricate a circuit
View Answer

Answer: b
Explanation: In hybrid IC, first the individual components are made, wired or metallic interconnection is done and finally they are diffused to form a single circuit.

9. Which is the different version of IC 741C?
a) 741A
b) 741E
c) 741S
d) 741SC
View Answer

Answer: d
Explanation: 741SC is the different version of 741C IC, which is a commercial grade op-amp with higher slew rate and operating in the same temperature range.
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10. An example of second generation IC used in greatest percentage of application
a) µA748
b) MC1558
c) µA741
d) LM101
View Answer

Answer: c
Explanation: All the IC belongs to second generation op-amp. In that general purpose op-amp’741’ is used widely in greatest percentage of application.

11. What is the advantage of Hybrid Integrated Circuit?
a) Miniaturized circuits are made of individual components
b) Insulate components by protection
c) Circuit designer can choose the component value
d) All of the mentioned
View Answer

Answer: d
Explanation: In hybrid integrated circuit miniaturization can be achieved and allow circuit designer a complete freedom in choosing the resistor values, whereas monolithic IC cannot use some important components on construction.

12. Find the pin configuration of µA741operational amplifier?
a)
Pin configuration of µA741 operational amplifier
b)
Pin configuration of µA741 op-amp with clockwise pin numbers
c)
Pin configuration of µA741 op-amp with counter clockwise numbers
d)
Pin configuration of µA741 op-amp with clockwise pin numbers started from pin 1
View Answer

Answer: a
Explanation: The metal can configuration of µA741 op-amp has eight pins with pin number 8 identified by a tab. The other pins are numbered counter clockwise from pin 8, beginning with pin1.

Sanfoundry Global Education & Learning Series – Linear Integrated Circuits.

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Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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