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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series
Packaging Cut Tape (CT) | Tape & Reel (TR)
Number of Bits 12
Sampling Rate (Per Second) 1M
Number of Inputs 8
Input Type Single Ended
Data Interface SPI
Configuration MUX-S/H-ADC
Ratio - S/H:ADC 1:1
Number of A/D Converters 1
Architecture SAR
Reference Type -
Voltage - Supply, Analog 2.7V ~ 3.6V
Voltage - Supply, Digital 2.55V ~ 3.75V
Features -
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Grade Automotive
Qualification AEC-Q100
Package / Case 20-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 20-TSSOP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The LEOAD128PT-D from STMicroelectronics is a 12-bit, 1M SPS 8-channel ADC with an SPI interface. Its MUX-S/H-ADC architecture allows sequential sampling of multiple inputs, making it perfect for multi-sensor systems. With a wide temperature range and compact 20-TSSOP package, it is ideal for industrial, automotive, and building automation applications.

  • 8-Channel Multiplexing: Monitor multiple signals with one device.
  • Fast Sampling: 1M SPS ensures responsive data acquisition.
  • SPI Interface: Easy integration with microcontrollers.
  • Wide Temperature Range: Operates from -40°C to 125°C.

Multi-Sensor Data Acquisition

Eight multiplexed channels allow monitoring of multiple sensors with a single ADC, reducing system cost.

Industrial Automation

The 1M SPS sampling rate and SPI interface enable fast, reliable reading of PLC analog inputs.

Automotive Control

Wide temperature range (-40°C to 125°C) supports engine control and battery management systems.

Building Automation

Multiple channels are ideal for HVAC monitoring and energy management systems.

Portable Instrumentation

Low pin count and SPI interface make it suitable for handheld multimeters and data loggers.

Q: What is the resolution of the LEOAD128PT-D?
A: It is a 12-bit ADC.
Q: What is the sampling rate?
A: The sampling rate is 1M SPS.
Q: How many channels does it have?
A: It has 8 input channels.
Q: What interface does it use?
A: It uses an SPI interface.
Q: What is the architecture?
A: It uses a MUX-S/H-ADC architecture.
Q: What is the package type?
A: It comes in a 20-TSSOP package.
Base Product Number : LEOAD128PT
12-bit 1M SPS 20-TSSOP ADC Analog-to-Digital Converter LEOAD128PT-D MUX-S/H-ADC SPI
Q: What is the resolution of the LEOAD128PT-D?
A: It is a 12-bit ADC.
Q: What is the sampling rate?
A: The sampling rate is 1M SPS.
Q: How many channels does it have?
A: It has 8 input channels.
Q: What interface does it use?
A: It uses an SPI interface.
Q: What is the architecture?
A: It uses a MUX-S/H-ADC architecture.
Q: What is the package type?
A: It comes in a 20-TSSOP package.