Texas Instruments ADS8688ATDBTR

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Product attributes Property Value
Manufacturer Texas Instruments
Product Series
Packaging |
Number of Bits 16
Sampling Rate (Per Second) 500k
Number of Inputs 8
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 4.75V ~ 5.25V
Voltage - Supply, Digital 1.65V ~ 5.25V
Features PGA
Operating Temperature -55°C ~ 125°C (TA)
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 ADS8688 is a 16-bit, 8-channel Analog-to-Digital Converter (ADC) from Texas Instruments, featuring a high sampling rate of 500k SPS. It integrates a programmable gain amplifier (PGA), multiplexer, and sample-and-hold circuit into a single device. With its SPI interface and wide temperature range, this ADC is an excellent choice for industrial automation, power monitoring, and multi-channel data acquisition systems.

  • Integrated PGA: The on-chip programmable gain amplifier allows direct interfacing with low-level sensors, eliminating the need for external signal conditioning.
  • 8-Channel Multiplexer: A single device can handle up to 8 analog inputs, significantly reducing component count in multi-sensor systems.
  • High Accuracy: 16-bit resolution ensures precise measurement, essential for critical monitoring and control applications.
  • Extended Temperature Range: Rated for -55°C to 125°C, it is robust enough for the most demanding industrial environments.

Power Line Monitoring

The 8-channel, 16-bit ADC with integrated PGA is perfect for polyphase energy metering and power quality analyzers, allowing accurate voltage and current measurement across multiple phases.

Industrial Process Control

With 8 inputs and a 500k SPS sampling rate, it can monitor multiple analog signals from transmitters and actuators in a PLC, reducing board space and cost.

Protection Relays

The wide temperature range and high accuracy make it suitable for protective relays in electrical substations, ensuring reliable operation in extreme conditions.

Data Acquisition Systems

The integrated PGA allows direct connection of low-level sensor signals without external amplification, simplifying the design of high-channel-count DAQ systems.

Automated Test Equipment (ATE)

Its speed and resolution make it suitable for multi-channel ATE systems used to test a variety of electronic components and boards.

Q: What is the ADS8688ATDBTR?
A: It is a 16-bit, 8-channel Analog-to-Digital Converter (ADC) from Texas Instruments with an integrated PGA and MUX.
Q: What is the resolution and sampling rate?
A: It provides 16-bit resolution and a maximum sampling rate of 500k SPS.
Q: How many input channels does it have?
A: It has 8 input channels, which can be configured for various input ranges.
Q: What interface does it use?
A: It uses a standard SPI interface for communication.
Q: What is the architecture?
A: It features a PGA-MUX-S/H-ADC architecture, integrating a programmable gain amplifier (PGA) on-chip.
Q: What is the operating temperature range?
A: It operates over a wide temperature range of -55°C to 125°C.
Base Product Number : ADS8688
16-bit 500k SPS 8-Channel ADC ADS8688 Analog-to-Digital Converter PGA SPI Texas Instruments TFSOP
Q: What is the ADS8688ATDBTR?
A: It is a 16-bit, 8-channel Analog-to-Digital Converter (ADC) from Texas Instruments with an integrated PGA and MUX.
Q: What is the resolution and sampling rate?
A: It provides 16-bit resolution and a maximum sampling rate of 500k SPS.
Q: How many input channels does it have?
A: It has 8 input channels, which can be configured for various input ranges.
Q: What interface does it use?
A: It uses a standard SPI interface for communication.
Q: What is the architecture?
A: It features a PGA-MUX-S/H-ADC architecture, integrating a programmable gain amplifier (PGA) on-chip.
Q: What is the operating temperature range?
A: It operates over a wide temperature range of -55°C to 125°C.