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AN717
| Title |
Title
Building a 10-Bit Bridge Sensing Circuit Using the PIC16C6XX and MCP601Operational Amplifier
|
|---|---|
| Name |
Name
AN717
|
| Date |
Date
06/24/2015
|
| Application Categories |
Application Categories
Signal Conditioning & Measurement /
Amplification (Op Amps)
|
| Description |
Description
Sensors that use Wheatstone bridge configurations, such as pressure sensors, load cells, or thermistors have a great deal of commonality when it comes to the signal conditioning circuit. This application note delves into the inner workings of the electronics of the signal conditioning path for sensors that use Wheatstone bridge configurations. Analog topics such as gain and filtering circuits will be explored. This discussion is complemented with digital issues such as digital filtering and digital manipulation techniques. Overall, this note?s comprehensive investigation of hardware and firmware provides a practical solution including error correction in the data acquisition sensor system.
|
Silicon Products
| Title | Product | Title |
|---|---|---|
|
MCP609
2.5V to 6.0V Micropower CMOS Op Amp
|
MCP609 | 2.5V to 6.0V Micropower CMOS Op Amp |
|
MCP6231U
20 µA, 300 kHz Rail-to-Rail Op Amp
|
MCP6231U | 20 µA, 300 kHz Rail-to-Rail Op Amp |
|
MCP6054
30 µA, High Precision Op Amps
|
MCP6054 | 30 µA, High Precision Op Amps |
|
MCP6284
450 µA, 5 MHz Rail-to-Rail Op Amp
|
MCP6284 | 450 µA, 5 MHz Rail-to-Rail Op Amp |
|
MCP6244
50 µA, 550 kHz Rail-to-Rail Op Amp
|
MCP6244 | 50 µA, 550 kHz Rail-to-Rail Op Amp |
|
TC7650
Chopper Stabilized Operational Amplifier
|
TC7650 | Chopper Stabilized Operational Amplifier |
| TC1030 | TC1030 | |
| TC1035 | TC1035 | |
|
MCP6024
Rail-to-Rail Input/Output, 10 MHz Op Amps
|
MCP6024 | Rail-to-Rail Input/Output, 10 MHz Op Amps |
|
MCP604
2.7V to 6.0V Single Supply CMOS Op Amps
|
MCP604 | 2.7V to 6.0V Single Supply CMOS Op Amps |
|
MCP6234
20 µA, 300 kHz Rail-to-Rail Op Amp
|
MCP6234 | 20 µA, 300 kHz Rail-to-Rail Op Amp |
|
MCP6271R
170 µA, 2 MHz Rail-to-Rail Op Amp
|
MCP6271R | 170 µA, 2 MHz Rail-to-Rail Op Amp |
| TC1029 | TC1029 | |
| TC1026 | TC1026 | |
| TC911A | TC911A | |
|
MCP6064
60 µA, High Precision Op Amps
|
MCP6064 | 60 µA, High Precision Op Amps |
|
MCP6291R
1.0 mA, 10 MHz Rail-to-Rail Op Amp
|
MCP6291R | 1.0 mA, 10 MHz Rail-to-Rail Op Amp |
|
MCP6281R
450 µA, 5 MHz Rail-to-Rail Op Amp
|
MCP6281R | 450 µA, 5 MHz Rail-to-Rail Op Amp |
|
MCP6231R
20 µA, 300 kHz Rail-to-Rail Op Amp
|
MCP6231R | 20 µA, 300 kHz Rail-to-Rail Op Amp |
| TC1034 | TC1034 | |
|
MCP6074
110 µA, High Precision Op Amps
|
MCP6074 | 110 µA, High Precision Op Amps |
|
MCP6034
0.9 µA, High-Precision Op Amps
|
MCP6034 | 0.9 µA, High-Precision Op Amps |
|
MCP6044
600 nA, Rail-to-Rail Input/Output Op Amps
|
MCP6044 | 600 nA, Rail-to-Rail Input/Output Op Amps |
|
MCP6241R
50 µA, 550 kHz Rail-to-Rail Op Amp
|
MCP6241R | 50 µA, 550 kHz Rail-to-Rail Op Amp |
|
MCP619
2.3V to 5.5V Micropower Bi-CMOS Op Amps
|
MCP619 | 2.3V to 5.5V Micropower Bi-CMOS Op Amps |
|
MCP6022
Rail-to-Rail Input/Output, 10 MHz Op Amps
|
MCP6022 | Rail-to-Rail Input/Output, 10 MHz Op Amps |
|
MCP602
2.7V to 6.0V Single Supply CMOS Op Amps
|
MCP602 | 2.7V to 6.0V Single Supply CMOS Op Amps |
|
MCP601
2.7V to 6.0V Single Supply CMOS Op Amps
|
MCP601 | 2.7V to 6.0V Single Supply CMOS Op Amps |
|
MCP6V02
300 µA, Auto-Zeroed Op Amps
|
MCP6V02 | 300 µA, Auto-Zeroed Op Amps |
|
MCP6042
600 nA, Rail-to-Rail Input/Output Op Amps
|
MCP6042 | 600 nA, Rail-to-Rail Input/Output Op Amps |
|
MCP6043
600 nA, Rail-to-Rail Input/Output Op Amps
|
MCP6043 | 600 nA, Rail-to-Rail Input/Output Op Amps |
|
MCP617
2.3V to 5.5V Micropower Bi-CMOS Op Amps
|
MCP617 | 2.3V to 5.5V Micropower Bi-CMOS Op Amps |
|
MCP6242
50 µA, 550 kHz Rail-to-Rail Op Amp
|
MCP6242 | 50 µA, 550 kHz Rail-to-Rail Op Amp |
|
MCP6231
20 µA, 300 kHz Rail-to-Rail Op Amp
|
MCP6231 | 20 µA, 300 kHz Rail-to-Rail Op Amp |
|
MCP6052
30 µA, High Precision Op Amps
|
MCP6052 | 30 µA, High Precision Op Amps |
|
MCP6441
450 nA, 9 kHz Op Amp
|
MCP6441 | 450 nA, 9 kHz Op Amp |
|
MCP6031
0.9 µA, High-Precision Op Amps
|
MCP6031 | 0.9 µA, High-Precision Op Amps |
|
MCP6004
1 MHz, Low-Power Op Amp
|
MCP6004 | 1 MHz, Low-Power Op Amp |
|
MCP603
2.7V to 6.0V Single Supply CMOS Op Amps
|
MCP603 | 2.7V to 6.0V Single Supply CMOS Op Amps |
|
MCP607
2.5V to 6.0V Micropower CMOS Op Amp
|
MCP607 | 2.5V to 6.0V Micropower CMOS Op Amp |
|
MCP6142
600 nA, Non-Unity Gain Rail-to-Rail Input/Out
|
MCP6142 | 600 nA, Non-Unity Gain Rail-to-Rail Input/Out |
|
MCP6143
600 nA, Non-Unity Gain Rail-to-Rail Input/Out
|
MCP6143 | 600 nA, Non-Unity Gain Rail-to-Rail Input/Out |
|
MCP6283
450 µA, 5 MHz Rail-to-Rail Op Amp
|
MCP6283 | 450 µA, 5 MHz Rail-to-Rail Op Amp |
|
MCP6271
170 µA, 2 MHz Rail-to-Rail Op Amp
|
MCP6271 | 170 µA, 2 MHz Rail-to-Rail Op Amp |
|
MCP6272
170 µA, 2 MHz Rail-to-Rail Op Amp
|
MCP6272 | 170 µA, 2 MHz Rail-to-Rail Op Amp |
|
MCP6274
170 µA, 2 MHz Rail-to-Rail Op Amp
|
MCP6274 | 170 µA, 2 MHz Rail-to-Rail Op Amp |
|
MCP6241
50 µA, 550 kHz Rail-to-Rail Op Amp
|
MCP6241 | 50 µA, 550 kHz Rail-to-Rail Op Amp |
|
MCP6051
30 µA, High Precision Op Amps
|
MCP6051 | 30 µA, High Precision Op Amps |
|
MCP6032
0.9 µA, High-Precision Op Amps
|
MCP6032 | 0.9 µA, High-Precision Op Amps |
|
MCP6062
60 µA, High Precision Op Amps
|
MCP6062 | 60 µA, High Precision Op Amps |
|
TC7652
400 kHz, Single Zero-Drift Op Amp
|
TC7652 | 400 kHz, Single Zero-Drift Op Amp |
|
MCP6241U
50 µA, 550 kHz Rail-to-Rail Op Amp
|
MCP6241U | 50 µA, 550 kHz Rail-to-Rail Op Amp |
|
MCP6294
1.0 mA, 10 MHz Rail-to-Rail Op Amp
|
MCP6294 | 1.0 mA, 10 MHz Rail-to-Rail Op Amp |
| TC1043 | TC1043 | |
|
MCP6021
Rail-to-Rail Input/Output, 10 MHz Op Amps
|
MCP6021 | Rail-to-Rail Input/Output, 10 MHz Op Amps |
|
MCP6002
1 MHz, Low-Power Op Amp
|
MCP6002 | 1 MHz, Low-Power Op Amp |
|
MCP6V01
300 µA, Auto-Zeroed Op Amps
|
MCP6V01 | 300 µA, Auto-Zeroed Op Amps |
|
MCP6V06
300 µA, Auto-Zeroed Op Amps
|
MCP6V06 | 300 µA, Auto-Zeroed Op Amps |
|
MCP6V07
300 µA, Auto-Zeroed Op Amps
|
MCP6V07 | 300 µA, Auto-Zeroed Op Amps |
|
MCP6V03
300 µA, Auto-Zeroed Op Amps
|
MCP6V03 | 300 µA, Auto-Zeroed Op Amps |
|
MCP6V08
300 µA, Auto-Zeroed Op Amps
|
MCP6V08 | 300 µA, Auto-Zeroed Op Amps |
|
MCP608
2.5V to 6.0V Micropower CMOS Op Amp
|
MCP608 | 2.5V to 6.0V Micropower CMOS Op Amp |
|
MCP618
2.3V to 5.5V Micropower Bi-CMOS Op Amps
|
MCP618 | 2.3V to 5.5V Micropower Bi-CMOS Op Amps |
|
MCP6273
170 µA, 2 MHz Rail-to-Rail Op Amp
|
MCP6273 | 170 µA, 2 MHz Rail-to-Rail Op Amp |
|
MCP6232
20 µA, 300 kHz Rail-to-Rail Op Amp
|
MCP6232 | 20 µA, 300 kHz Rail-to-Rail Op Amp |
|
MCP6072
110 µA, High Precision Op Amps
|
MCP6072 | 110 µA, High Precision Op Amps |
|
MCP6144
600 nA, Non-Unity Gain Rail-to-Rail Input/Out
|
MCP6144 | 600 nA, Non-Unity Gain Rail-to-Rail Input/Out |
|
MCP6023
Rail-to-Rail Input/Output, 10 MHz Op Amps
|
MCP6023 | Rail-to-Rail Input/Output, 10 MHz Op Amps |
|
MCP6041
600 nA, Rail-to-Rail Input/Output Op Amps
|
MCP6041 | 600 nA, Rail-to-Rail Input/Output Op Amps |
|
MCP6141
600 nA, Non-Unity Gain Rail-to-Rail Input/Out
|
MCP6141 | 600 nA, Non-Unity Gain Rail-to-Rail Input/Out |
|
MCP606
2.5V to 6.0V Micropower CMOS Op Amp
|
MCP606 | 2.5V to 6.0V Micropower CMOS Op Amp |
|
MCP6281
450 µA, 5 MHz Rail-to-Rail Op Amp
|
MCP6281 | 450 µA, 5 MHz Rail-to-Rail Op Amp |
|
MCP6291
1.0 mA, 10 MHz Rail-to-Rail Op Amp
|
MCP6291 | 1.0 mA, 10 MHz Rail-to-Rail Op Amp |
|
MCP6293
1.0 mA, 10 MHz Rail-to-Rail Op Amp
|
MCP6293 | 1.0 mA, 10 MHz Rail-to-Rail Op Amp |
|
MCP616
2.3V to 5.5V Micropower Bi-CMOS Op Amps
|
MCP616 | 2.3V to 5.5V Micropower Bi-CMOS Op Amps |
|
MCP6282
450 µA, 5 MHz Rail-to-Rail Op Amp
|
MCP6282 | 450 µA, 5 MHz Rail-to-Rail Op Amp |
|
MCP6292
1.0 mA, 10 MHz Rail-to-Rail Op Amp
|
MCP6292 | 1.0 mA, 10 MHz Rail-to-Rail Op Amp |
|
MCP6285
450 µA, 5 MHz Rail-to-Rail Op Amp
|
MCP6285 | 450 µA, 5 MHz Rail-to-Rail Op Amp |
|
MCP6295
1.0 mA, 10 MHz Rail-to-Rail Op Amp
|
MCP6295 | 1.0 mA, 10 MHz Rail-to-Rail Op Amp |
|
MCP6275
170 µA, 2 MHz Rail-to-Rail Op Amp
|
MCP6275 | 170 µA, 2 MHz Rail-to-Rail Op Amp |
|
MCP6071
110 µA, High Precision Op Amps
|
MCP6071 | 110 µA, High Precision Op Amps |
|
MCP6033
0.9 µA, High-Precision Op Amps
|
MCP6033 | 0.9 µA, High-Precision Op Amps |
|
MCP6061
60 µA, High Precision Op Amps
|
MCP6061 | 60 µA, High Precision Op Amps |