ADDITIONAL APPLICATION EXAMPLES

R

1

V

EX

V

OUT

V

REF

R

1

OPA369

R

R

R

R

+5V

OPA369

Output

R

SHUNT

Load

V+

R

G

R

L

R

(2)

1

10kW

R

BIAS

+5V

zener

(1)

Twozener

biasingmethods

areshown.

(3)

MOSFETratedto

stand-offsupplyvoltage

suchasBSS84for

upto50V.

(1)Zenerratedforopampsupplycapability(thatis,5.1VforOPA369).

(2)Current-limitingresistor.

(3)ChoosezenerbiasingresistorordualNMOSFETs(FDG6301N,NTJD4001N,orSi1034)

NOTES:

V-

R

2

V

= (V - V )1+++V

OUT

1

2

REF

R

1

R

2

R

G

R

2

R

1

V

REF

V

OUT

V

2

V

1

R

1

1/2

OPA2369

1/2

OPA2369

2R

1

R

G

OPA369

OPA2369

Figure 27 through Figure 29 illustrate additional application examples.

Figure 27. Single Op Amp Bridge Amplifier

Figure 28. High-Side Current Monitor

Figure 29. Two Op Amp Instrumentation Amplifier

12

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