Overview
The ADS124S08IPBSR is a 24-bit, delta-sigma analog-to-digital converter (ADC) produced by Texas Instruments. This device is designed for precision measurement applications and features a low-power consumption profile, making it ideal for various industrial and medical uses. It includes a programmable gain amplifier (PGA), a temperature sensor, voltage reference, and internal clock, which enhance its versatility and accuracy in data acquisition systems.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution (Bits) | 24 |
| Number of input channels | 12 |
| Sample rate (max) (ksps) | 4 |
| Interface type | SPI |
| Architecture | Delta-Sigma |
| Input type | Differential, Single-ended |
| Reference mode | External, Internal |
| Input voltage range (max) (V) | 2.625, 5.25 |
| Input voltage range (min) (V) | -2.625, 0 |
| Operating temperature range (°C) | -50 to 125 |
| Power consumption (typ) (mW) | 1.75 |
| Analog supply (min) (V) | 2.7 |
| Analog supply voltage (max) (V) | 5.25 |
| Digital supply (min) (V) | 2.7 |
| Package/Case | TQFP-32 |
Key Features
- Programmable Gain Amplifier (PGA): Offers gains ranging from 1 to 128, allowing for the optimization of measurement resolution.
- Low-Noise PGA: 19 nV RMS at Gain = 128.
- Programmable Data Rates: From 2.5 SPS to 4 kSPS.
- Simultaneous 50-Hz and 60-Hz Rejection: At ≤ 20 SPS with low-latency digital filter.
- Analog Multiplexer: Supports 12 independently selectable inputs.
- Dual-Matched Programmable Current Sources: For sensor excitation, ranging from 10 µA to 2000 µA.
- Internal Reference: 2.5 V, 10 ppm/°C (max) drift.
- Internal Oscillator: 4.096 MHz, 1.5% accuracy.
- Internal Temperature Sensor: For temperature monitoring.
- Extended Fault Detection Circuits: For system monitoring.
- Self Offset and System Calibration: For precise measurements.
- Four General-Purpose I/Os: For additional functionality.
- SPI-Compatible Interface with Optional CRC: For reliable data transfer.
Applications
The ADS124S08IPBSR is commonly used in various applications requiring high precision and low noise, such as:
- Industrial Process Control: For monitoring and controlling industrial processes.
- Portable Instrumentation: In handheld devices and portable measurement tools.
- Medical Equipment: For precise measurements in medical devices.
- Energy Metering: In energy measurement and monitoring systems.
- Precision Measurement Systems: Where high accuracy and low noise are critical.
Q & A
- Q: What is the resolution of the ADS124S08IPBSR?
A: The ADS124S08IPBSR has a 24-bit resolution. - Q: How many input channels does the ADS124S08IPBSR support?
A: The ADS124S08IPBSR supports 12 input channels. - Q: What is the maximum sample rate of the ADS124S08IPBSR?
A: The maximum sample rate is 4 kSPS. - Q: What types of input signals can the ADS124S08IPBSR handle?
A: The ADS124S08IPBSR can handle differential and single-ended input signals. - Q: What is the operating temperature range of the ADS124S08IPBSR?
A: The operating temperature range is -50°C to 125°C. - Q: Does the ADS124S08IPBSR have an internal temperature sensor?
A: Yes, the ADS124S08IPBSR includes an internal temperature sensor. - Q: What is the power consumption of the ADS124S08IPBSR?
A: The typical power consumption is 1.75 mW. - Q: What is the package type of the ADS124S08IPBSR?
A: The ADS124S08IPBSR comes in a TQFP-32 package. - Q: Can the ADS124S08IPBSR reject 50-Hz and 60-Hz noise?
A: Yes, it can reject 50-Hz and 60-Hz noise simultaneously at ≤ 20 SPS with a low-latency digital filter. - Q: How can I find detailed information about the ADS124S08IPBSR?
A: You can find detailed information on the Texas Instruments website or through authorized distributors like Ovaga and Mouser Electronics.
