ADS124S08IPBS analog-to-digital conversion chip ADC TI original stock

explain

ADS124S06 and ADS124S08 are both high-precision 24 bit Δ-Σ Analog to Digital Converter (ADC) combines low power consumption and multiple integration features, which can reduce system costs and reduce the number of components in small sensor signal measurement applications.

Both ADCs are equipped with configurable digital filters that can provide low latency conversion results and 50Hz or 60Hz noise suppression in noisy industrial environments. Programmable gain amplifier (PGA) has low noise characteristics and can provide gains of 1 to 128, which can amplify low amplitude signals for resistance bridge or thermocouple applications. SN65HVD101 and 'HVD102 are packaged in a 20 pin RGB package (4 mm) × 3.5 mm QFN). In addition, these two devices also integrate a low drift 2.5V voltage reference, reducing the area of printed circuit boards (PCBs). Finally, there are two programmable excitation current sources (IDAC) to provide accurate bias for resistance temperature detectors (RTDs).

The input multiplexer supports 12 inputs for ADS124S08 and 6 inputs for ADS124S06. These inputs can be connected to the ADC in any combination, thereby improving design flexibility. In addition, these two devices also include functions such as sensor burnout detection, thermocouple voltage bias, and system monitoring, as well as four universal I/O.

These two devices are packaged in ultra-thin square flat leadless (VQFN) -32 or thin square flat (TQFP) -32 packages.



characteristic

Low power consumption: as low as 280 µ A

Low noise programmable gain amplifier (PGA): 19nVRMS (when gain=128)

Programmable gain: 1 to 128

Programmable data transfer rate: 2.5SPS to 4kSPS

Using low delay digital filters

Realize 50Hz and 60Hz synchronous suppression when ≤ 20SPS

With 12 channels (ADS124S08) or 6 channels (ADS124S06)

Analog multiplexer with optional inputs

Two matching and programmable sensor excitation current sources: 10 μ A to

2000 µ A

Internal benchmark: 2.5V, maximum drift of 10ppm/° C

Internal oscillator: 4.096MHz, with an accuracy of 1.5%

Internal temperature sensor

Extended fault detection circuit

Self offset calibration and system calibration

4 universal I/Os

Serial Peripheral Interface (SPI) compatible interface with the option of Cyclic Redundancy Check (CRC)

Analog power supply: single pole (2.7V to 5.25V) or bipolar (± 2.5V)

Digital power supply: 2.7V to 3.6V

Working temperature: -50 ° C to+125 ° C

application

Sensors and transmitters:

Temperature, pressure, stress, flow rate

Programmable Logic Controller (PLC) and Distributed Control System (DCS)

Analog input module

temperature controller

Artificial climate chamber, industrial oven


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