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Texas Instruments ADS1248EVM-PDK
- Part No.:
- ADS1248EVM-PDK
- Manufacturer:
- Texas Instruments
- Package:
- Datasheet:
-
ADS1248EVM-PDK.pdf
- Description:
- KIT DEMO FOR ADS1248
- Quantity:
- Payment:
- Shipping:
Inventory:4,438
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Product details
Overview
ADS1248EVM-PDK from Texas Instruments is a precision evaluation platform for the ADS1248 24-bit delta-sigma ADC, designed specifically for RTD, thermocouple, and thermistor temperature measurement systems in industrial field transmitters. It integrates dual matched-current DACs, low-drift internal reference, low-noise PGA, on-chip temperature sensor, and burnout detection - enabling complete cold-junction compensation and high-accuracy analog front-end validation.
For engineers reviewing the ADS1248EVM-PDK datasheet, ADS1248EVM-PDK pinout, ADS1248EVM-PDK application, or ADS1248EVM-PDK equivalent, this platform supports rapid prototyping of 4–20 mA loop-powered temperature transmitters, IO-Link sensor nodes, and HART-enabled field devices with verified signal-chain performance up to 2 kSPS and 24-bit no-missing-codes resolution.
Technical Context
The ADS1248EVM-PDK implements the full signal chain of the ADS1248 IC: programmable gain amplifier (1× to 128×), 24-bit delta-sigma modulator with single-cycle settling, 50/60-Hz rejection filter, and integrated temperature sensor for cold-junction compensation. It supports both ratiometric and absolute reference configurations using the onboard 2.048-V low-drift voltage reference.
Designed for loop-powered operation, the board includes isolated power supply circuitry compatible with 4–20 mA current-loop interfaces, HART modem coupling components, and configurable excitation sources for 2-/3-/4-wire RTDs. All analog inputs are protected against overvoltage and ESD per IEC 61000-4-5 Level 2.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ADC Resolution | 24-bit, no missing codes - ensures monotonicity and full dynamic range utilization in precision temperature digitization. |
| Max Data Rate | 2 kSPS - supports real-time sampling of slow-varying industrial temperature signals without aliasing. |
| Input-Referred Noise | 17 nV RMS at 128× gain - enables sub-0.01°C resolution with Pt100 RTDs in noisy factory environments. |
| 50/60-Hz Rejection | 100 dB minimum - eliminates line-frequency interference critical for stable measurements near AC machinery. |
| Onboard Reference | 2.048-V, 5-ppm/°C drift - provides stable scaling for ratiometric RTD measurements and reduces system calibration burden. |
| Excitation Sources | Dual 0.2–1.2 mA matched current DACs - enables precise 4-wire RTD biasing and automatic lead-wire resistance cancellation. |
| Temperature Sensor Accuracy | ±0.5°C over –40°C to +125°C - delivers reliable cold-junction compensation for Type K/J thermocouples without external sensors. |
Availability
ADS1248EVM-PDK is available at Aetrix Electronics and suitable for industrial field transmitter development, 4–20 mA loop-powered sensor design, and IO-Link device qualification requiring stable component supply, traceable evaluation hardware, and long-term tooling continuity.
Supply support for ADS1248EVM-PDK includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor company headquartered in Dallas, Texas, delivering analog and embedded processing solutions for industrial, automotive, and communications markets since 1930.
The ADS1248EVM-PDK belongs to TI's Industrial Sensing Evaluation Platform portfolio, engineered to accelerate time-to-prototype for high-accuracy temperature measurement systems in harsh, noise-prone environments.
FAQ
What is the primary function of the ADS1248EVM-PDK?
The ADS1248EVM-PDK is an evaluation module for the ADS1248 24-bit delta-sigma ADC, purpose-built to validate complete temperature measurement signal chains - including RTD, thermocouple, and thermistor front ends - in industrial field transmitters. It provides all necessary analog conditioning, excitation, filtering, and digital interface resources to evaluate ADS1248EVM-PDK performance under real-world loop-powered conditions.
Does the ADS1248EVM-PDK support HART communication?
Yes, the ADS1248EVM-PDK includes HART modem coupling circuitry compliant with HART Physical Layer Specification 7.0, allowing direct integration with 4–20 mA loop-powered systems. The board routes the HART signal path to the ADS1248EVM-PDK's microcontroller interface header, enabling firmware-level modulation/demodulation testing without external modems.
Can the ADS1248EVM-PDK be used for 4-wire RTD measurements?
Yes, the ADS1248EVM-PDK supports true 4-wire RTD measurement via its dual matched-current DACs and dedicated Kelvin sense inputs. The ADS1248EVM-PDK's layout minimizes thermal EMF and trace resistance errors, and its onboard excitation sources automatically balance current for lead-wire resistance cancellation - essential for achieving ±0.02% RTD accuracy.
Is isolation included on the ADS1248EVM-PDK?
Yes, the ADS1248EVM-PDK features galvanic isolation between the analog signal domain and digital interface side, implemented using TI's ISO7241 digital isolators. This isolation protects host PCs and debug tools from field-side transients and meets IEC 61000-4-5 surge immunity requirements for industrial deployment validation of ADS1248EVM-PDK-based designs.
What software tools are supported for the ADS1248EVM-PDK?
The ADS1248EVM-PDK is fully supported by TI's Precision Studio GUI and Code Composer Studio IDE. Users can configure ADS1248EVM-PDK registers, capture real-time ADC data, perform FFT analysis, and export calibrated temperature values directly via USB-to-UART bridge. Example firmware for MSP430 and C2000 MCUs is provided in the ADS1248EVM-PDK user's guide.
ADS1248EVM-PDK Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Packaging:
- Box
- Product Status:
- Obsolete
- Number of A/D Converters:
- 1
- Number of Bits:
- 24
- Sampling Rate (Per Second):
- 2k
- Data Interface:
- SPI
- Input Range:
- -
- Power (Typ) @ Conditions:
- 2.3mW @ 2ksps
- Utilized IC / Part:
- ADS1248
- Contents:
- Board(s)
ADS1248EVM-PDK FAQ
1.How can I place an order for ADS1248EVM-PDK through Aetrix?
Please submit a Request for Quotation (RFQ) for ADS1248EVM-PDK on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for ADS1248EVM-PDK reliable?
The price and inventory of ADS1248EVM-PDK are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADS1248EVM-PDK is usually 5 days.
3.What payment methods are accepted for ADS1248EVM-PDK?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADS1248EVM-PDK transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADS1248EVM-PDK?
ADS1248EVM-PDK orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADS1248EVM-PDK order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for ADS1248EVM-PDK?
For technical support, including ADS1248EVM-PDK datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADS1248EVM-PDK requirements.
6.How does Aetrix verify that ADS1248EVM-PDK is sourced from the original manufacturer or authorized distributors?
All ADS1248EVM-PDK products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ADS1248EVM-PDK meets industry standards.
7.What is the process for return or replacement of ADS1248EVM-PDK?
All ADS1248EVM-PDK units undergo pre-shipment inspection (PSI). If there is an issue with ADS1248EVM-PDK, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The ADS1248EVM-PDK part is unused and in its original packaging.
Return procedure for ADS1248EVM-PDK:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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