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Product attributes Property Value
Manufacturer Texas Instruments
Product Series
Packaging Tube |
Number of Bits 12
Sampling Rate (Per Second) 500k
Number of Inputs 4
Input Type 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 Internal
Voltage - Supply, Analog 5V ~ 10V
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 ADS8664IDBT from Texas Instruments is a 12-bit, 4-channel analog-to-digital converter featuring a sampling rate of 500k SPS. It integrates a programmable gain amplifier (PGA), multiplexer, sample-and-hold, and ADC core in a single device. The SPI interface ensures easy connectivity with microcontrollers and DSPs. With an internal reference and wide temperature range, this ADC is designed for industrial and automotive applications requiring reliable, high-speed data conversion.

  • Integrated PGA: The built-in programmable gain amplifier allows direct connection of low-level sensors without external signal conditioning, simplifying design and reducing component count.
  • High-Speed Sampling: With a 500k SPS sampling rate, the ADS8664IDBT can capture fast-changing signals, making it suitable for real-time control and monitoring applications.
  • Wide Temperature Range: Operating from -40°C to 125°C, this ADC is qualified for harsh industrial and automotive environments, ensuring reliable performance.
  • Internal Reference: The integrated reference voltage eliminates the need for an external reference IC, saving board space and reducing system cost.

Industrial Process Control

The ADS8664IDBT's 4-channel multiplexed input with integrated PGA is ideal for monitoring multiple analog signals in industrial process control systems. Its 12-bit resolution at 500k SPS ensures accurate and fast data acquisition for real-time control loops.

Data Acquisition Systems

With a 500k SPS sampling rate and SPI interface, this ADC is well-suited for high-speed data acquisition systems. The internal reference simplifies design, while the 4 channels allow for simultaneous monitoring of multiple sensors.

Motor Control

In motor control applications, the ADS8664IDBT can digitize current and voltage feedback signals. The wide temperature range of -40°C to 125°C ensures reliable operation in harsh industrial environments.

Power Monitoring

The 12-bit resolution and 4 channels enable precise monitoring of multiple power rails. The internal reference and SPI interface make it easy to integrate into power management systems for accurate voltage and current measurement.

Test and Measurement Equipment

The high sampling rate of 500k SPS and 12-bit resolution make this ADC suitable for portable test equipment. Its small 38-TFSOP package allows for compact PCB designs in benchtop and handheld instruments.

Automotive Sensor Interfaces

With an operating temperature range of -40°C to 125°C, the ADS8664IDBT is suitable for automotive sensor applications. The integrated PGA helps condition weak sensor signals before conversion, improving overall system accuracy.

Q: What type of ADC is the ADS8664IDBT?
A: It is a 12-bit successive approximation register (SAR) analog-to-digital converter with a PGA-MUX-S/H-ADC architecture.
Q: What is the resolution of the ADS8664IDBT?
A: The resolution is 12 bits.
Q: What is the sampling rate of the ADS8664IDBT?
A: The sampling rate is 500k SPS (samples per second).
Q: How many input channels does the ADS8664IDBT have?
A: It has 4 input channels.
Q: What interface does the ADS8664IDBT use?
A: It uses an SPI (Serial Peripheral Interface) for communication.
Q: What is the package type of the ADS8664IDBT?
A: It comes in a 38-TFSOP (0.173", 4.40mm Width) package.
Base Product Number : ADS8664
12-bit 4-channel 500k SPS ADC ADS8664 Analog-to-Digital Converter PGA SPI Texas Instruments TFSOP-38
Q: What type of ADC is the ADS8664IDBT?
A: It is a 12-bit successive approximation register (SAR) analog-to-digital converter with a PGA-MUX-S/H-ADC architecture.
Q: What is the resolution of the ADS8664IDBT?
A: The resolution is 12 bits.
Q: What is the sampling rate of the ADS8664IDBT?
A: The sampling rate is 500k SPS (samples per second).
Q: How many input channels does the ADS8664IDBT have?
A: It has 4 input channels.
Q: What interface does the ADS8664IDBT use?
A: It uses an SPI (Serial Peripheral Interface) for communication.
Q: What is the package type of the ADS8664IDBT?
A: It comes in a 38-TFSOP (0.173", 4.40mm Width) package.