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Product attributes Property Value
Manufacturer Analog Devices Inc./Maxim Integrated
Product Series
Packaging Factory | Tape & Reel (TR)
Number of Bits 8
Sampling Rate (Per Second) 500k
Number of Inputs 4, 8
Input Type Differential, Pseudo-Differential, 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 External
Voltage - Supply, Analog 2.35V ~ 3.6V
Voltage - Supply, Digital 2.35V ~ 3.6V
Features -
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Grade -
Qualification -
Package / Case 28-WFQFN Exposed Pad
Supplier Device Package 28-TQFN (5x5)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The MAX11142ATI+T from Analog Devices/Maxim Integrated is an 8-bit, 500k SPS Analog-to-Digital Converter with multiplexed 4 or 8 input channels. Featuring an SPI interface and MUX-S/H-ADC architecture, it provides flexible multi-channel signal acquisition. Housed in a 28-WFQFN package, it operates from -40°C to 125°C, making it suitable for demanding industrial and automotive applications.

  • Multi-Channel Flexibility: Supports 4 or 8 input channels via multiplexing, reducing board space and cost.
  • High-Speed Sampling: 500k SPS enables fast data acquisition for real-time control systems.
  • Wide Temperature Range: -40°C to 125°C operation ensures reliability in harsh environments.
  • Compact Package: 28-WFQFN with exposed pad improves thermal performance and saves space.
  • Simple Digital Interface: SPI interface allows easy connection to microcontrollers and DSPs.

Multi-Channel Data Acquisition

The 8-channel multiplexed input allows sampling of multiple analog signals with a single ADC, reducing component count in industrial data acquisition systems.

Automotive Sensor Monitoring

With a -40°C to 125°C temperature range, it is suitable for automotive applications like battery management systems and motor control, where multiple sensors need monitoring.

Industrial Automation

The 500k SPS sampling rate enables fast, real-time monitoring of process variables in PLCs and industrial controllers, ensuring responsive automation.

Medical Instrumentation

Its high-speed multiplexing capability is ideal for patient monitoring systems that track multiple vital signs simultaneously.

Portable Test Equipment

The compact 28-WFQFN package and SPI interface make it suitable for handheld multimeters and portable diagnostic tools requiring multi-channel measurement.

Power System Monitoring

Multiple channels can be used to monitor voltages and currents in power supplies, with the wide temperature range ensuring reliability in harsh environments.

Q: What is the resolution of the MAX11142ATI+T?
A: It is an 8-bit Analog-to-Digital Converter (ADC).
Q: What sampling rate does it support?
A: The MAX11142ATI+T supports a sampling rate of 500k SPS.
Q: How many channels are available?
A: It offers multiplexed input options of 4 or 8 channels.
Q: What interface does this ADC use?
A: It communicates via a Serial Peripheral Interface (SPI).
Q: What is the architecture of this device?
A: It uses a MUX-S/H-ADC architecture with an external reference.
Q: What is the operating temperature range?
A: It operates over the industrial temperature range of -40°C to 125°C.
Base Product Number : MAX11142
500k SPS 8-bit 8-channel ADC Analog-to-Digital Converter MAX11142 Maxim Integrated SPI WFQFN
Q: What is the resolution of the MAX11142ATI+T?
A: It is an 8-bit Analog-to-Digital Converter (ADC).
Q: What sampling rate does it support?
A: The MAX11142ATI+T supports a sampling rate of 500k SPS.
Q: How many channels are available?
A: It offers multiplexed input options of 4 or 8 channels.
Q: What interface does this ADC use?
A: It communicates via a Serial Peripheral Interface (SPI).
Q: What is the architecture of this device?
A: It uses a MUX-S/H-ADC architecture with an external reference.
Q: What is the operating temperature range?
A: It operates over the industrial temperature range of -40°C to 125°C.