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Product attributes Property Value
Manufacturer Texas Instruments
Product Series
Packaging Tube |
Number of Bits 12
Sampling Rate (Per Second) 1.25M
Number of Inputs 1
Input Type Differential, Pseudo-Differential, Single Ended
Data Interface SPI
Configuration PGA-ADC
Ratio - S/H:ADC 0:1
Number of A/D Converters 1
Architecture SAR
Reference Type Internal
Voltage - Supply, Analog 4.75V ~ 5.25V
Voltage - Supply, Digital 1.7V ~ 3.3V
Features -
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Grade -
Qualification -
Package / Case 16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 16-TSSOP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ADS8661IPW from Texas Instruments is a 12-bit analog-to-digital converter with an impressive sampling rate of 1.25M SPS. It features a single input channel with an integrated programmable gain amplifier (PGA) and an internal reference. Communicating via SPI, this ADC is housed in a 16-TSSOP package and operates over a wide temperature range of -40°C to 125°C. It is designed for high-speed, high-precision applications in industrial, automotive, and power management systems.

  • Ultra-Fast Sampling: 1.25M SPS enables real-time capture of high-frequency signals.
  • Integrated PGA: Eliminates need for external amplification, saving board space and cost.
  • Internal Reference: Reduces external component count and simplifies design.
  • Wide Temperature Range: -40°C to 125°C ensures operation in extreme conditions.

High-Speed Industrial Data Acquisition

The ADS8661IPW's 1.25M SPS sampling rate makes it ideal for high-speed industrial data acquisition systems, such as vibration monitoring and high-frequency power analysis.

Motor Control & Drive Systems

With its internal PGA and fast sampling, this ADC can accurately digitize current and voltage feedback in motor control loops, enabling precise and efficient motor drives.

Automotive Battery Management

The wide -40°C to 125°C range and internal reference make it suitable for automotive battery management systems, where accurate voltage monitoring is critical for safety and performance.

Precision Sensor Interfaces

The integrated PGA allows direct connection to sensors with small output signals, such as thermocouples or strain gauges, without external amplification, simplifying design.

Power Supply Monitoring

In power supply designs, the ADS8661IPW can monitor output voltages and currents with high speed and accuracy, ensuring stable and reliable power delivery in server and telecom equipment.

Q: What type of ADC is the ADS8661IPW?
A: It is a 12-bit PGA-ADC (programmable gain amplifier analog-to-digital converter) with an internal reference.
Q: What is the resolution?
A: It provides 12-bit resolution.
Q: What is the sampling rate?
A: It supports a high sampling rate of 1.25M SPS.
Q: How many channels does it have?
A: It has a single input channel.
Q: What interface does it use?
A: It uses an SPI serial interface.
Q: What is the package and temperature range?
A: It comes in a 16-TSSOP package and operates from -40°C to 125°C.
Base Product Number : ADS8661
1.25M SPS 12-bit 16-TSSOP ADC ADS8661 Analog-to-Digital Converter SPI Texas Instruments
Q: What type of ADC is the ADS8661IPW?
A: It is a 12-bit PGA-ADC (programmable gain amplifier analog-to-digital converter) with an internal reference.
Q: What is the resolution?
A: It provides 12-bit resolution.
Q: What is the sampling rate?
A: It supports a high sampling rate of 1.25M SPS.
Q: How many channels does it have?
A: It has a single input channel.
Q: What interface does it use?
A: It uses an SPI serial interface.
Q: What is the package and temperature range?
A: It comes in a 16-TSSOP package and operates from -40°C to 125°C.