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Product attributes Property Value
Manufacturer Texas Instruments
Product Series
Packaging |
Number of Bits 24
Sampling Rate (Per Second) 15
Number of Inputs 8
Input Type Differential, Single Ended
Data Interface SPI
Configuration MUX-PGA-ADC
Ratio - S/H:ADC -
Number of A/D Converters 1
Architecture Sigma-Delta
Reference Type External
Voltage - Supply, Analog 2.7V ~ 3.3V, 5V
Voltage - Supply, Digital 2.7V ~ 5.25V
Features PGA
Operating Temperature -55°C ~ 210°C
Mounting Type Through Hole
Grade -
Qualification -
Package / Case 20-CDIP (0.300", 7.62mm) Window
Supplier Device Package 20-CDIP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ADS1243SJD from Texas Instruments is a specialized 24-bit analog-to-digital converter built for extreme environments. It integrates an 8-channel input multiplexer and a programmable gain amplifier (PGA), making it a complete front-end solution for precision sensor measurement. With a sampling rate of 15 SPS, it is optimized for high-resolution, low-bandwidth signals. Its standout feature is its operating temperature range of -55°C to +210°C, housed in a hermetic 20-CDIP package with a window, designed for the most demanding industrial and scientific applications.

  • Extreme Temperature Operation: Rated up to +210°C, it is one of the few ADCs capable of functioning in high-temperature drilling and industrial processes.
  • Ultra-High Resolution: 24-bit resolution provides exceptional detail, enabling precise measurement of very small analog signals.
  • Integrated MUX and PGA: The built-in 8-channel multiplexer and programmable gain amplifier simplify design and save board space.
  • Low Noise Performance: Designed for high-accuracy applications, it ensures clean signal conversion for sensitive sensors.
  • SPI Interface: Standard digital interface ensures easy integration with a wide range of embedded processors.

High-Temperature Down-Hole Drilling

With a unique temperature rating up to +210°C, the ADS1243SJD is specifically designed for oil and gas exploration, where sensors must operate in extreme subterranean heat.

Precision Thermocouple and RTD Measurement

The 24-bit resolution and integrated PGA make it ideal for directly digitizing small voltages from thermocouples and resistance temperature detectors (RTDs) in industrial furnaces.

Multi-Sensor Data Logging

The 8-channel multiplexer allows a single ADC to sequentially monitor multiple sensors, reducing component count and cost in data logging systems.

Weigh Scale and Load Cell Systems

The high resolution and low noise performance ensure accurate weight measurements, even with low-output load cells, in industrial process control.

Seismic and Vibration Monitoring

For geophysical instruments, the high resolution and low sampling rate are perfect for capturing low-frequency seismic waves with high fidelity.

Q: What is the ADS1243SJD?
A: The ADS1243SJD is a 24-bit, low-noise analog-to-digital converter from Texas Instruments featuring an integrated multiplexer and programmable gain amplifier (MUX-PGA-ADC).
Q: What is the resolution of the ADS1243SJD?
A: It offers 24-bit resolution, providing exceptional precision for high-accuracy measurement.
Q: What is the sampling rate?
A: The sampling rate is 15 SPS, optimized for very low-frequency, high-resolution sensor measurements.
Q: How many channels does it have?
A: It has 8 input channels, allowing for multiplexed reading of multiple sensors.
Q: What interface does it use?
A: It communicates via an SPI interface, which is standard for connecting to microcontrollers.
Q: What is the operating temperature range?
A: It is rated for extreme temperatures from -55°C to +210°C, making it suitable for harsh environments like geothermal or down-hole drilling.
Base Product Number : ADS1243
15 SPS 20-CDIP 24-bit 8-Channel ADC Analog-to-Digital Converter High-Temperature SPI Texas Instruments
Q: What is the ADS1243SJD?
A: The ADS1243SJD is a 24-bit, low-noise analog-to-digital converter from Texas Instruments featuring an integrated multiplexer and programmable gain amplifier (MUX-PGA-ADC).
Q: What is the resolution of the ADS1243SJD?
A: It offers 24-bit resolution, providing exceptional precision for high-accuracy measurement.
Q: What is the sampling rate?
A: The sampling rate is 15 SPS, optimized for very low-frequency, high-resolution sensor measurements.
Q: How many channels does it have?
A: It has 8 input channels, allowing for multiplexed reading of multiple sensors.
Q: What interface does it use?
A: It communicates via an SPI interface, which is standard for connecting to microcontrollers.
Q: What is the operating temperature range?
A: It is rated for extreme temperatures from -55°C to +210°C, making it suitable for harsh environments like geothermal or down-hole drilling.