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AN1016
| Title |
Title
Detecting Small Capacitive Sensors Using the MCP6291 and PIC16F690 Devices
|
|---|---|
| Name |
Name
AN1016
|
| Date |
Date
06/24/2015
|
| Application Categories |
Application Categories
Signal Conditioning & Measurement /
Amplification (Op Amps)
Signal Conditioning & Measurement /
Comparators
|
| Description |
Description
Detecting Small Capacitive Sensors Using teh MCP6291 and PIC16F690 Devices. This application note is intended for hardware and firmware design engineers that need to accurately detect small capacitance values.
|
Files
| Title | Title | Download | Date | Size |
|---|---|---|---|---|
| AN1016 Assembly Code 25.8 KB 06/23/2015 | AN1016 Assembly Code | Download | 06/23/2015 | 25.8 KB |
| AN1016 VB6 Source Code 24.7 KB 12/17/2012 | AN1016 VB6 Source Code | Download | 12/17/2012 | 24.7 KB |
Development Tools
| Title | Part Number | Title | |
|---|---|---|---|
|
PIC16F690DM-PCTLHS
HUMIDITY SENSOR PICTAIL DEMO BOARD
|
|
PIC16F690DM-PCTLHS | HUMIDITY SENSOR PICTAIL DEMO BOARD |
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 |
| TC1028 | TC1028 | |
| TC1031 | TC1031 | |
|
MCP6549
Open-Drain Output Sub-Microamp Comparators
|
MCP6549 | Open-Drain Output Sub-Microamp Comparators |
| TC1025 | TC1025 | |
|
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 |
| TC1039 | TC1039 | |
| TC1027 | TC1027 | |
|
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 |
| TC1037 | TC1037 | |
| TC1038 | TC1038 | |
|
MCP6291R
1.0 mA, 10 MHz Rail-to-Rail Op Amp
|
MCP6291R | 1.0 mA, 10 MHz Rail-to-Rail Op Amp |
| TC1040 | TC1040 | |
| TC1041 | TC1041 | |
|
MCP6281R
450 µA, 5 MHz Rail-to-Rail Op Amp
|
MCP6281R | 450 µA, 5 MHz Rail-to-Rail Op Amp |
|
MCP665
60 MHz, 32 V/µs Rail-to-Rail Output Op Amp
|
MCP665 | 60 MHz, 32 V/µs Rail-to-Rail Output 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 |
|
MCP6548
Open-Drain Output Sub-Microamp Comparators
|
MCP6548 | Open-Drain Output Sub-Microamp Comparators |
|
MCP6001
1 MHz, Low-Power Op Amp
|
MCP6001 | 1 MHz, Low-Power Op Amp |
|
MCP663
60 MHz, 32 V/µs Rail-to-Rail Output Op Amp
|
MCP663 | 60 MHz, 32 V/µs Rail-to-Rail Output Op Amp |
|
MCP6541
Push-Pull Output Sub-Microamp Comparators
|
MCP6541 | Push-Pull Output Sub-Microamp Comparators |
|
MCP6542
Push-Pull Output Sub-Microamp Comparators
|
MCP6542 | Push-Pull Output Sub-Microamp Comparators |
|
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 |
|
MCP6547
Open-Drain Output Sub-Microamp Comparators
|
MCP6547 | Open-Drain Output Sub-Microamp Comparators |
|
MCP6546
Open-Drain Output Sub-Microamp Comparators
|
MCP6546 | Open-Drain Output Sub-Microamp Comparators |
|
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 |
|
MCP662
60 MHz, 32 V/µs Rail-to-Rail Output Op Amp
|
MCP662 | 60 MHz, 32 V/µs Rail-to-Rail Output Op Amp |
|
MCP661
60 MHz, 32 V/µs Rail-to-Rail Output Op Amp
|
MCP661 | 60 MHz, 32 V/µs Rail-to-Rail Output Op Amp |
|
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 |
|
MCP6543
Push-Pull Output Sub-Microamp Comparators
|
MCP6543 | Push-Pull Output Sub-Microamp Comparators |
|
MCP6544
Push-Pull Output Sub-Microamp Comparators
|
MCP6544 | Push-Pull Output Sub-Microamp Comparators |
|
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 |