Capacitance to Digital Converters

Capacitance to Digital Converters are a type of electronic device that converts a capacitance value into a digital value.

How does a capacitance to digital converter work?

Capacitance to Digital Converters interface with capacitive sensors with maximum value 1nF of which a cable capacitance of up to 1nF can be tolerated. This type of converter can also interface with a capacitive MEMS (micro-electromechanical system) sensor and then convert the value into a digital one.

Some capacitance to digital converter features an adaptive threshold algorithm which is designed to compensate for any changes in the sensor capacitance due to factors in the environment like humidity and temperature.

Types of capacitance to digital converters

This converter is available in different configurations types such as varied conversion rates, resolution.

These converters also available in different package types such as MSOP (Mini small-outline package), SSOP (Shrink small-outline package), TSSOP (Thin shrink small-outline package)

Applications

Capacitance to digital converters have a wide range of application use such as;

  • Proximity sensors
  • Position detection
  • level detection

...
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Description Price Resolution Conversion Rate Package Type Pin Count Dimensions Length Width Height Maximum Operating Supply Voltage Maximum Operating Temperature Minimum Operating Supply Voltage Minimum Operating Temperature Input Type Power Supply Type
RS Stock No. 709-6156
Mfr. Part No.AD7150BRMZ
SGD6.31
Each
units
- - MSOP 10 3 x 3 x 0.85mm 3mm 3mm 0.85mm - +85 °C - -40 °C - -
RS Stock No. 843-1828
Mfr. Part No.FDC1004DSCT
SGD12.18
Each (In a Pack of 2)
units
16 bit - WSON 10 3.1 x 3.1 x 0.75mm 3.1mm 3.1mm 0.75mm 3.6 V +85 °C 3 V -40 °C - -
RS Stock No. 806-5569
Mfr. Part No.AD7147ACPZ-1500RL7
SGD5.12
Each (In a Pack of 2)
units
16-bit - LFCSP VQ 24 4 x 3.75 x 0.95mm - - - - 85 °C - -40 °C Voltage Single
RS Stock No. 709-6657
Mfr. Part No.AD7745ARUZ
SGD17.03
Each
units
24 bit 0.09ksps TSSOP 16 5 x 4.4 x 1.05mm 5mm 4.4mm 1.05mm - +125 °C - -40 °C - -
RS Stock No. 162-8571
Mfr. Part No.FDC1004DSCT
SGD6.60
Each (On a Reel of 250)
units
16 bit - WSON 10 3.1 x 3.1 x 0.75mm 3.1mm 3.1mm 0.75mm 3.6 V +85 °C 3 V -40 °C - -
RS Stock No. 709-1595
Mfr. Part No.AD7147ACPZ-500RL7
SGD4.52
Each
units
16 bit 0.111ksps LFCSP 24 4 x 4 x 0.83mm 4mm 4mm 0.83mm - +85 °C - -40 °C - -
RS Stock No. 912-8132
Mfr. Part No.AD7147ACPZ-1500RL7
SGD3.673
Each (On a Reel of 500)
units
16-bit - LFCSP VQ 24 4 x 3.75 x 0.95mm - - - - 85 °C - -40 °C Voltage Single
RS Stock No. 208-8507
Mfr. Part No.FDC2214QRGHTQ1
SGD8.536
Each (On a Reel of 250)
units
28 bit 13.3ksps WFQFN 16 - - - - - - - - - -
RS Stock No. 124-3366
Mfr. Part No.CPT112S-A02-GU
SGD1.88
Each (In a Pack of 5)
units
- - QFN 24 3 x 3 x 0.55mm 3mm 3mm 0.55mm 3.6 V +85 °C 1.8 V -40 °C - -
RS Stock No. 162-6562
Mfr. Part No.LDC1000NHRT
SGD12.19
Each (On a Reel of 250)
units
- - WSON 16 5 x 4 x 0.8mm 5mm 4mm 0.8mm 5.25 V +125 °C 4.75 V -40 °C - -
RS Stock No. 208-8508
Mfr. Part No.FDC2214QRGHTQ1
SGD13.165
Each (In a Pack of 2)
units
28 bit 13.3ksps WFQFN 16 - - - - - - - - - -
RS Stock No. 168-4950
Mfr. Part No.FDC2112DNTT
SGD3.672
Each (On a Reel of 250)
units
12 bit 13.3ksps WSON 12 4 x 4 x 0.8mm 4mm 4mm 0.8mm 3.6 V +125 °C 2.7 V -40 °C - -
RS Stock No. 124-9978
Mfr. Part No.LC717A10AJ-AH
SGD1.644
Each (On a Reel of 1000)
units
8-bit - SSOP 30 8 x 4.4 x 1.5mm 8mm 4.4mm 1.5mm - +105 °C - -40 °C - -
RS Stock No. 709-1592
Mfr. Part No.AD7142ACPZ-500RL7
SGD5.88
Each
units
16 bit 0.028ksps LFCSP 32 5 x 5 x 0.83mm 5mm 5mm 0.83mm - +85 °C - -40 °C - -
RS Stock No. 908-3865
Mfr. Part No.LDC1614RGHT
SGD9.64
Each
units
28 bit - WQFN 16 4.1 x 4.1 x 0.8mm 4.1mm 4.1mm 0.8mm 3.6 V +125 °C 2.7 V -40 °C - -
RS Stock No. 133-0165
Mfr. Part No.FDC2112DNTT
SGD11.77
Each
units
12 bit 13.3ksps WSON 12 4 x 4 x 0.8mm 4mm 4mm 0.8mm 3.6 V +125 °C 2.7 V -40 °C - -
RS Stock No. 709-6165
Mfr. Part No.AD7151BRMZ
SGD6.30
Each
units
12 bit 0.1ksps MSOP 10 3 x 3 x 0.85mm 3mm 3mm 0.85mm - +85 °C - -40 °C - -
RS Stock No. 821-3055
Mfr. Part No.LC717A10AJ-AH
SGD3.628
Each (In a Pack of 5)
units
8 bit - SSOP 30 8 x 4.4 x 1.5mm 8mm 4.4mm 1.5mm - +105 °C - -40 °C - -
RS Stock No. 709-4923
Mfr. Part No.AD7747ARUZ
SGD19.10
Each
units
24 bit 0.045ksps TSSOP 16 5 x 4.4 x 1.05mm 5mm 4.4mm 1.05mm - +125 °C - -40 °C - -
RS Stock No. 709-4914
Mfr. Part No.AD7746ARUZ
SGD22.66
Each
units
24 bit 0.09ksps TSSOP 16 5 x 4.4 x 1.05mm 5mm 4.4mm 1.05mm - +125 °C - -40 °C - -