Texas Instruments ADS8508IBDWR

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Product attributes Property Value
Manufacturer Texas Instruments
Product Series
Packaging Marketplace | Tape & Reel (TR)
Number of Bits 12
Sampling Rate (Per Second) 250k
Number of Inputs 1
Input Type Single Ended
Data Interface SPI
Configuration S/H-ADC
Ratio - S/H:ADC 1:1
Number of A/D Converters 1
Architecture SAR
Reference Type External, Internal
Voltage - Supply, Analog 5V
Voltage - Supply, Digital 5V
Features -
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Grade -
Qualification -
Package / Case 20-SOIC (0.295", 7.50mm Width)
Supplier Device Package 20-SOIC
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Texas Instruments ADS8508IBDWR is a 12-bit successive approximation ADC with a sample-and-hold architecture. It offers a maximum sampling rate of 250k SPS on a single input channel, communicating via SPI. With both external and internal reference options and a -40°C to 85°C operating range, this ADC is designed for precision industrial, medical, and automotive applications. The 20-SOIC (7.50mm width) package supports surface-mount assembly.

  • High Precision: 12-bit resolution ensures accurate representation of analog signals for critical measurements.
  • Fast SPI Interface: 250k SPS throughput with SPI simplifies connection to digital systems.
  • Sample-and-Hold: Maintains signal stability during conversion, reducing sampling errors.
  • Flexible Reference: Internal or external reference options accommodate various system designs.
  • Robust Temperature Range: -40°C to 85°C operation for industrial and automotive environments.

Precision Single-Channel Measurement

The 12-bit resolution and 250k SPS sampling rate make the ADS8508IBDWR ideal for high-accuracy single-channel measurements in laboratory instruments.

Industrial Process Control

With SPI interface and -40°C to 85°C operation, this ADC converts analog control signals in PLCs and industrial controllers with high reliability.

Medical Device Signal Processing

The sample-and-hold architecture ensures stable conversion of biomedical signals (e.g., pulse oximetry, blood pressure) for diagnostic equipment.

Automotive Test Systems

Single-channel precision conversion supports engine test benches and battery characterization systems requiring accurate voltage/current measurement.

Data Acquisition Cards

The SPI interface and 20-SOIC package make it suitable for multi-channel DAQ cards where each channel uses a dedicated ADC.

Energy Monitoring

Accurate 12-bit conversion of current transformer outputs enables precise power metering in smart grid applications.

Q: What is the ADS8508IBDWR?
A: It is a 12-bit successive approximation ADC with a sample-and-hold architecture from Texas Instruments.
Q: What is the resolution of the ADS8508IBDWR?
A: The resolution is 12 bits, providing 4096 discrete output levels for accurate measurement.
Q: What is the sampling rate?
A: The maximum sampling rate is 250k SPS, suitable for medium-speed industrial and instrumentation applications.
Q: How many channels does it have?
A: It has 1 input channel, optimized for single-channel high-precision conversion.
Q: What interface does it use?
A: It uses an SPI interface for serial communication with microcontrollers and DSPs.
Q: What is the reference type?
A: It supports both external and internal references, offering design flexibility.
Base Product Number : ADS8508
12-bit 20-SOIC 250k SPS ADC ADS8508 Analog-to-Digital Converter External/Internal Reference S/H-ADC SPI Texas Instruments
Q: What is the ADS8508IBDWR?
A: It is a 12-bit successive approximation ADC with a sample-and-hold architecture from Texas Instruments.
Q: What is the resolution of the ADS8508IBDWR?
A: The resolution is 12 bits, providing 4096 discrete output levels for accurate measurement.
Q: What is the sampling rate?
A: The maximum sampling rate is 250k SPS, suitable for medium-speed industrial and instrumentation applications.
Q: How many channels does it have?
A: It has 1 input channel, optimized for single-channel high-precision conversion.
Q: What interface does it use?
A: It uses an SPI interface for serial communication with microcontrollers and DSPs.
Q: What is the reference type?
A: It supports both external and internal references, offering design flexibility.