Sensor, Capacitive Touch

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	DigiKey Programmable	Type	Proximity Detection	Number of Inputs	LED Driver Channels	Interface	Resolution	Voltage - Supply	Current - Supply	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package
CPT112S-A02-GU 12 CHANNEL CAPACITIVE TOUCH CONT Silicon Labs	778 In Stock	1 : 2,90000 € Tube	-	Tube	Obsolete	Not Verified	Buttons, Slider	Yes	Up to 12	-	I2C	-	1.8V ~ 3.6V	3.1mA	-40°C ~ 85°C	Surface Mount	24-SSOP (0.154", 3.90mm Width)	24-QSOP
CPT007B-A02-GM IC CTLR CAP TOUCH 7CH GPIO 20QFN Silicon Labs	2.140 In Stock	1 : 4,53000 € Tube	-	Tube	Obsolete	Not Verified	Buttons	Yes	Up to 7	Up to 7	Open Drain, Push-Pull	-	1.8V ~ 3.6V	3.1mA	-40°C ~ 85°C	Surface Mount	20-UFQFN Exposed Pad	20-QFN (3x3)
CPT112S-A02-GM IC CTLR CAP TOUCH 12CH I2C 20QFN Silicon Labs	148 In Stock	1 : 4,21000 € Tube	-	Tube	Obsolete	Not Verified	Buttons, Slider	Yes	Up to 12	-	I2C	-	1.8V ~ 3.6V	3.1mA	-40°C ~ 85°C	Surface Mount	20-UFQFN Exposed Pad	20-QFN (3x3)
CPT112S-A01-GM CAP TOUCH CONTROLLER Silicon Labs	0 In Stock	100 : 0,94730 € Tube	-	Tube	Not For New Designs	Not Verified	Buttons, Slider	Yes	Up to 12	-	I2C	-	1.8V ~ 3.6V	3.1mA	-40°C ~ 85°C	Surface Mount	20-UFQFN	20-QFN (3x3)
CPT112S-A01-GMR IC CTLR CAP TOUCH 12CH GPIO 20QF Silicon Labs	0 In Stock	1.500 : 0,97857 € Tape & Reel (TR)	-	Tape & Reel (TR)	Not For New Designs	Not Verified	Buttons, Slider	Yes	Up to 12	-	I2C	-	1.8V ~ 3.6V	3.1mA	-40°C ~ 85°C	Surface Mount	20-UFQFN	20-QFN (3x3)
CPT007B-A01-GM CAP TOUCH CONTROLLER Silicon Labs	0 In Stock Check Lead Time	100 : 1,04430 € Tube	-	Tube	Active	Not Verified	Buttons	Yes	Up to 7	Up to 7	Open Drain, Push-Pull	-	1.8V ~ 3.6V	180µA	-40°C ~ 85°C	Surface Mount	20-VFQFN	20-QFN (3x3)
CPT212B-A01-GM 12 CHANNEL CAPACITIVE TOUCH CONT Silicon Labs	0 In Stock	2.100 : 1,58258 € Tube	-	Tube	Obsolete	Not Verified	Buttons	Yes	Up to 12	-	I2C	-	1.8V ~ 3.6V	3.1mA	-40°C ~ 85°C	Surface Mount	20-UFQFN Exposed Pad	20-QFN (3x3)
CPT212B-A01-GMR 12 CHANNEL CAPACITIVE TOUCH CONT Silicon Labs	0 In Stock	1.500 : 1,66587 € Tape & Reel (TR)	-	Tape & Reel (TR)	Obsolete	Not Verified	Buttons	Yes	Up to 12	-	I2C	-	1.8V ~ 3.6V	3.1mA	-40°C ~ 85°C	Surface Mount	20-UFQFN Exposed Pad	20-QFN (3x3)
CPT112S-A02-GUR 12 CHANNEL CAPACITIVE TOUCH CONT Silicon Labs	0 In Stock	2.500 : 1,74792 € Tape & Reel (TR)	-	Tape & Reel (TR)	Obsolete	Not Verified	Buttons, Slider	Yes	Up to 12	-	I2C	-	1.8V ~ 3.6V	3.1mA	-40°C ~ 85°C	Surface Mount	24-SSOP (0.154", 3.90mm Width)	24-QSOP
CPT007B-A02-GUR 7 CHANNEL CAPACITIVE TOUCH CONTR Silicon Labs	0 In Stock	2.500 : 1,96051 € Tape & Reel (TR)	-	Tape & Reel (TR)	Obsolete	Not Verified	Buttons	Yes	Up to 7	Up to 7	Open Drain, Push-Pull	-	1.8V ~ 3.6V	3.1mA	-40°C ~ 85°C	Surface Mount	24-SSOP (0.154", 3.90mm Width)	24-QSOP
CPT213B-A01-GM 13 CHANNEL CAPACITIVE TOUCH CONT Silicon Labs	0 In Stock	1.911 : 2,79717 € Tray	-	Tray	Obsolete	Not Verified	Buttons	No	Up to 13	-	I2C	-	1.8V ~ 3.6V	3.6mA	-40°C ~ 85°C	Surface Mount	24-WFQFN Exposed Pad	24-QFN (4x4)
CPT213B-A01-GMR 13 CHANNEL CAPACITIVE TOUCH CONT Silicon Labs	0 In Stock	1.500 : 2,79717 € Tape & Reel (TR)	-	Tape & Reel (TR)	Obsolete	Not Verified	Buttons	No	Up to 13	-	I2C	-	1.8V ~ 3.6V	3.6mA	-40°C ~ 85°C	Surface Mount	24-WFQFN Exposed Pad	24-QFN (4x4)
CPT112S-A02-GMR IC CTLR CAP TOUCH 12CH I2C 20QFN Silicon Labs	0 In Stock	1 : 3,16000 € Cut Tape (CT) 1.500 : 1,66587 € Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Obsolete	Not Verified	Buttons, Slider	Yes	Up to 12	-	I2C	-	1.8V ~ 3.6V	3.1mA	-40°C ~ 85°C	Surface Mount	20-UFQFN Exposed Pad	20-QFN (3x3)
CPT007B-A02-GMR IC CTLR CAP TOUCH 7CH GPIO 20QFN Silicon Labs	0 In Stock	1 : 3,48000 € Cut Tape (CT) 1.500 : 1,83992 € Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Obsolete	Not Verified	Buttons	Yes	Up to 7	Up to 7	Open Drain, Push-Pull	-	1.8V ~ 3.6V	3.1mA	-40°C ~ 85°C	Surface Mount	20-UFQFN Exposed Pad	20-QFN (3x3)
CPT007B-A02-GU 7 CHANNEL CAPACITIVE TOUCH CONTR Silicon Labs	6 In Stock	1 : 3,90000 € Tube	-	Tube	Obsolete	Not Verified	Buttons	Yes	Up to 7	Up to 7	Open Drain, Push-Pull	-	1.8V ~ 3.6V	3.1mA	-40°C ~ 85°C	Surface Mount	24-SSOP (0.154", 3.90mm Width)	24-QSOP
CPT007B-A01-GMR IC CTLR CAP TOUCH 7CH GPIO 20QFN Silicon Labs	0 In Stock	Discontinued at Digi-Key	-	Tape & Reel (TR)	Discontinued at Digi-Key	Not Verified	Buttons	Yes	Up to 7	Up to 7	Open Drain, Push-Pull	-	1.8V ~ 3.6V	180µA	-40°C ~ 85°C	Surface Mount	20-VFQFN	20-QFN (3x3)

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Products in this family provide the analog stimulus and measurement resources needed to operate a capacitance-based touch sensing transducer, and communicate information generated thereby in a format convenient for use with a microcontroller or similar device, such as an I2C or SPI serial interface, UART, or a simple logic signal. They are commonly used for human interface applications.