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The onboard 2. The ADS operates from a single power supply ranging from 2. The onboard programmable gain amplifier PGA , which offers gains of up to eight, allows smaller signals to be measured with high resolution. In single-conversion mode, the ADS automatically powers down after a conversion, greatly reducing current consumption during idle periods. The ADS is designed for applications requiring high-resolution measurement, where space and power consumption are major considerations.

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It has an internal 2. Having a very small footprint, very few external components and a I2C interface means that you can put this ADC very close to the measuring point in your project, for minimum interference and then connect this with 4 wires power and I2C to your main board. Note: ADS can read bipolar differential signals but it cannot accept negative voltages on either input. This ADC has four analog inputs and by configuring the INP bits in the configuration register, you can measure two differential channels or three single ended channels referenced to AIN3. The ADS input range is bipolar differential, so the single-ended circuit above will cover only half of the ADS input scale because it does not produce differentially negative inputs and one bit of resolution will be lost. This is very useful when you want to measure small signals and be able to use as much of ADS's input range as possible. And then, you can control the data conversion rate of the ADC by configuring the DR bits, but for every doubling of the conversion speed starting from 15 samples per second you will loose a resolution bit:. Here is how I used it to switch from voltage measurement channel to current measurement channel. These I2C function interfaces can be exchanged to your project needs. You can find another version of this ADS driver that contains software I2C routines that were used on a Microchip PIC16FA because this micro did not have a hardware I2C peripheral, here on this bench supply project Voltage and current measurement in a bench power supply. I successfully used this ADC for some years now in a bench power supply and a programmable load for precision measurement of voltage and current of the bench supply and it proved to be very reliable and give very stable current and voltage readings. Search this site. You can configure it with the PGA bits:. You can find another version of this ADS driver that contains software I2C routines that were used on a Microchip PIC16FA because this micro did not have a hardware I2C peripheral, here on this bench supply project Voltage and current measurement in a bench power supply I successfully used this ADC for some years now in a bench power supply and a programmable load for precision measurement of voltage and current of the bench supply and it proved to be very reliable and give very stable current and voltage readings. Report abuse.

Resolution Bits 16 Sample rate max ksps 0. No results found. Product details, ads1112.

Vendor: Texas Instruments. This page also describes child node properties in the following sections. Properties inherited from the base binding file, which defines common properties that may be set on many nodes. Legal values: 'ok' , 'okay' , 'disabled' , 'reserved' , 'fail' , 'fail-sss'. See Important properties for more information. Built-in search Google search. Zephyr Project v: latest Document Release Versions latest 3.

The ADSx devices incorporate a low-drift voltage reference and an oscillator. These features, along with a wide operating supply range, make the ADSx well suited for power- and space-constrained, sensor measurement applications. The ADSx operate in either continuous-conversion mode or single-shot mode. The devices are automatically powered down after one conversion in single-shot mode; therefore, power consumption is significantly reduced during idle periods. For additional terms or required resources, click any title below to view the detail page where available. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting operational-amplifier

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The onboard 2. The ADS operates from a single power supply ranging from 2. The onboard programmable gain amplifier PGA , which offers gains of up to eight, allows smaller signals to be measured with high resolution.

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TINA has extensive post-processing capability that allows you to format results the way you want them. This property is required. The actual interpretation depends on the driver. Product details. March Technology. Unikey Electronics Pte. The referenced devicetree node must have a regulator compatible. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages MountainView Components Inc. Metaverse IC Inc.

The ADSx devices incorporate a low-drift voltage reference and an oscillator.

Samno Electronic Company Limited. If both properties are provided then the regulator must be requested before the supply GPIOS is set to an active state, and the supply GPIOS must be set to an inactive state before releasing the regulator. JAK Electronics. Ample Chip. Simulation tool. Negative ADC input. Resolution Bits 16 Sample rate max ksps 0. Data sheet. Hotenda Technology. Otherwise, single-ended mode is used unless the zephyr,input-negative property is specified, in which case the differential mode is selected implicitly.