MCP4018 MICROCHIP [Microchip Technology], MCP4018 Datasheet - Page 52
MCP4018
Manufacturer Part Number
MCP4018
Description
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.MCP4018.pdf
(66 pages)
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MCP4017/18/19
8.4
Another common configuration to “excite” a sensor
(such as a strain gauge, pressure sensor or thermistor)
is
wheatstone bridge provides a differential output
instead of a single-ended output.
a wheatstone bridge utilizing one to three digital
potentiometers. The digital potentiometers in this
example are used to trim the offset and gain of the
wheatstone bridge.
FIGURE 8-7:
Trimming.
DS22147A-page 52
the
MCP4017
Wheatstone Bridge Trimming
wheatstone
50 kΩ
Wheatstone Bridge
bridge
V
V
OUT
DD
MCP4017
5 kΩ
Figure 8-7
configuration.
MCP4017
50 kΩ
illustrates
The
© 2009 Microchip Technology Inc.
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