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Product attributes Property Value
Manufacturer Texas Instruments
Product Series
Packaging Tube |
Number of Bits 16
Sampling Rate (Per Second) 500k
Number of Inputs 4
Input Type Differential, Single Ended
Data Interface SPI
Configuration PGA-MUX-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 1.65V ~ 5.25V
Features PGA
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Grade -
Qualification -
Package / Case 38-TFSOP (0.173", 4.40mm Width)
Supplier Device Package 38-TSSOP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ADS8684IDBT from Texas Instruments is a 16-bit analog-to-digital converter featuring a 500 kSPS sampling rate and 4 input channels. It integrates a programmable gain amplifier (PGA), multiplexer, and sample-and-hold circuit in a single device. The SPI interface ensures easy connectivity with microcontrollers and DSPs. With both external and internal reference options and an operating temperature range of -40°C to 125°C, the ADS8684IDBT is designed for industrial, automotive, and test applications. Available in a 38-TFSOP package.

  • Integrated PGA: The built-in programmable gain amplifier allows direct sensor interfacing, eliminating external signal conditioning components.
  • High-Speed Performance: 500 kSPS sampling rate enables real-time monitoring of fast-changing signals in industrial applications.
  • Extended Temperature Range: -40°C to 125°C operation makes it suitable for harsh automotive and industrial environments.
  • Flexible Reference: Both internal and external reference options provide design flexibility for different accuracy requirements.

Industrial Automation and Control

The ADS8684IDBT, with its 16-bit resolution and 500 kSPS sampling rate, is ideal for industrial automation systems. The integrated PGA allows direct connection to sensors with varying signal levels without external amplification.

Data Acquisition Systems

With 4 channels and a high sampling rate, the ADS8684IDBT is perfect for multi-channel data acquisition. The SPI interface enables high-speed data transfer to host processors for real-time analysis.

Power Line Monitoring

In power quality monitoring, the ADS8684IDBT can digitize voltage and current signals with high accuracy. The wide temperature range of -40°C to 125°C ensures reliable operation in power substations.

Motor Drive Control

The fast sampling rate and PGA features make the ADS8684IDBT suitable for motor drive applications. It can accurately measure phase currents and voltages for precise motor control.

Test and Measurement Instruments

For precision test equipment, the ADS8684IDBT offers the resolution and speed needed for accurate measurements. The internal reference option simplifies design while maintaining accuracy.

Automotive Battery Management

The ADS8684IDBT's wide temperature range and high accuracy make it suitable for automotive battery monitoring systems. It can measure cell voltages and temperatures with precision.

Q: What type of ADC is the ADS8684IDBT?
A: The ADS8684IDBT is a 16-bit analog-to-digital converter with a PGA-MUX-S/H-ADC architecture.
Q: What is the resolution of the ADS8684IDBT?
A: The ADS8684IDBT has a resolution of 16 bits.
Q: What is the sampling rate of the ADS8684IDBT?
A: The ADS8684IDBT has a sampling rate of 500 kSPS.
Q: How many channels does the ADS8684IDBT have?
A: The ADS8684IDBT has 4 input channels.
Q: What interface does the ADS8684IDBT use?
A: The ADS8684IDBT uses an SPI interface.
Q: What is the package type of the ADS8684IDBT?
A: The ADS8684IDBT is available in a 38-TFSOP package.
Base Product Number : ADS8684
16-bit 38-TFSOP 4-channel 500 kSPS ADC Analog-to-Digital Converter PGA-MUX-S/H-ADC SPI Texas Instruments
Q: What type of ADC is the ADS8684IDBT?
A: The ADS8684IDBT is a 16-bit analog-to-digital converter with a PGA-MUX-S/H-ADC architecture.
Q: What is the resolution of the ADS8684IDBT?
A: The ADS8684IDBT has a resolution of 16 bits.
Q: What is the sampling rate of the ADS8684IDBT?
A: The ADS8684IDBT has a sampling rate of 500 kSPS.
Q: How many channels does the ADS8684IDBT have?
A: The ADS8684IDBT has 4 input channels.
Q: What interface does the ADS8684IDBT use?
A: The ADS8684IDBT uses an SPI interface.
Q: What is the package type of the ADS8684IDBT?
A: The ADS8684IDBT is available in a 38-TFSOP package.