LMC7101 datasheet(23/32 Pages) MICROCHIP

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 2019 Microchip Technology Inc.

DS20006282A-page 23

LMC7101

Since a significant percentage of CIN may be caused by

board layout, it is important to note that the correct

value of CFB may change when changing from a

breadboard to the final circuit layout.

4.5

Typical Circuits

Some suitable LMC7101 single-supply, rail-to-rail

applications are shown in the following circuit

diagrams.

900k

100k

VOUT

0V to V+

V+

VIN

LMC7101

0V to

V+

FIGURE 4-3:

Non-Inverting Amplifier.

100

IN (V)

V+

= 1 +

FIGURE 4-4:

Non-Inverting Amplifier

Behavior.

VOUT

0V to V+

V+

VIN

0V to V+

LMC7101

VOUT = VIN

FIGURE 4-5:

Voltage Follower.

VOUT

0V to V+

V+

VIN

0V to 2V

LMC7101

1 2

0.5V to Q1 VCEO(sus)

IOUT

2N3904

VCEO = 40V

IC(max) = 200mA

{

Change Q1 and RS

for higher current

and/or different gain.

100mA/V as shown

OUT

FIGURE 4-6:

Voltage-Controlled Current Sink.

V+

100k

VOUT

V+

LMC7101

0.001μF

100k

V+

FIGURE 4-7:

Square Wave Oscillator.

330k

33k

330k

1μF

VOUT

V+

LMC7101

CIN

V+

COUT

330k

33k

V =-

= -

FIGURE 4-8:

AC-Coupled Inverting Amplifier.

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