Key facts
- Brand
- Analog Devices
- Model
- AD7142
- Industry
- Industrial
- Documents
- 4
- Languages
- EN
- Last added
- 2012-06-07
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Analog Devices AD7142 Programmable Controller for Capacitance Touch Sensors Datasheet
The AD7142 is an integrated capacitance-to-digital converter (CDC) designed for use in systems requiring novel user input methods. It features 14 capacitance sensor input channels channeled through a switch matrix to a 16-bit, 250 kHz sigma-delta converter. The device includes on-chip environmental calibration logic and automatic compensation for environmental changes.
Read onlineAnalog Devices AD7142 specifications
| Update Rate | 36 ms (maximum) |
|---|---|
| Resolution | 16 Bit |
| CIN Input Range | +/-2 pF |
| Supply Voltage | 2.6 V to 3.6 V |
| Operating Current (Low Power) | 50 pA |
Source: Analog Devices AD7142 Programmable Controller for Capacitance Touch Sensors Datasheet
All Analog Devices AD7142 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the maximum update rate of the AD7142?
The maximum update rate is 36 ms when using the maximum sequence length.
From: Analog Devices AD7142 Programmable Controller for Capacitance Touch Sensors Datasheet
How many capacitance sensor input channels does the AD7142 have?
The device has 14 capacitance sensor input channels.
From: Analog Devices AD7142 Programmable Controller for Capacitance Touch Sensors Datasheet
What is the resolution of the AD7142?
The device provides a 16-bit resolution.
From: Analog Devices AD7142/AD7142-1 Programmable Capacitance-to-Digital Converter Datasheet
Does the AD7142 require external RC tuning components?
No, it does not require external RC tuning components.
From: Analog Devices AD7142/AD7142-1 Programmable Capacitance-to-Digital Converter Datasheet
What supply voltage range does the AD7142 operate from?
The AD7142 operates from a supply voltage of 2.6 V to 3.6 V.
How many capacitance sensor input channels are available?
The device provides 14 capacitance sensor input channels.