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Product attributes Property Value
Manufacturer Analog Devices Inc./Maxim Integrated
Product Series
Packaging Factory | Tube
Number of Bits 12
Sampling Rate (Per Second) 300k
Number of Inputs 4, 8
Input Type 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, Internal
Voltage - Supply, Analog 2.7V ~ 3.6V
Voltage - Supply, Digital 2.7V ~ 3.6V
Features -
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Grade -
Qualification -
Package / Case 20-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 20-TSSOP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The MAX1281BEUP+ is a 12-bit, multichannel analog-to-digital converter (ADC) from Analog Devices/Maxim Integrated, offering a configurable 4 or 8 input channels. With a sampling rate of 300 kSPS and a standard SPI interface, it provides a balance of speed, precision, and ease of use. Its MUX-S/H-ADC architecture ensures accurate sampling of multiple signals. This ADC is well-suited for precision data acquisition, portable instrumentation, and industrial control applications where reliable performance over a wide temperature range is essential.

  • High Precision: 12-bit resolution provides accurate digitization of analog signals, ideal for measurement and control applications.
  • Flexible Channel Configuration: Supports 4 or 8 input channels, allowing designers to optimize for system requirements.
  • Easy Integration: Standard SPI interface simplifies connection to microcontrollers and reduces pin count.
  • Wide Temperature Range: Operates from -40°C to 85°C, suitable for industrial and automotive environments.

Precision Data Acquisition Systems

The 12-bit resolution and 300 kSPS sampling rate of the MAX1281BEUP+ make it suitable for precision data acquisition systems in industrial and laboratory settings where accurate signal digitization is required.

Battery-Powered Portable Devices

With its low power consumption and SPI interface, the MAX1281BEUP+ is ideal for battery-powered portable instruments, such as handheld multimeters and environmental monitors.

Industrial Process Control

The 4/8-channel configuration allows monitoring multiple process variables (temperature, pressure, flow) with a single ADC, simplifying control system design and reducing component count.

Medical Monitoring Equipment

In medical devices like patient monitors, the 12-bit resolution provides sufficient accuracy for vital sign monitoring, while the SPI interface enables easy integration with digital signal processors.

Automotive Sensor Interfaces

The wide operating temperature range (-40°C to 85°C) makes it suitable for automotive sensor applications, such as battery management systems and motor controllers.

Smart Grid and Energy Monitoring

The MAX1281BEUP+ can be used in smart grid applications for monitoring voltage and current in power distribution systems, providing accurate data for energy management.

Q: What is the MAX1281BEUP+?
A: The MAX1281BEUP+ is a 12-bit, multichannel analog-to-digital converter (ADC) with a MUX-S/H-ADC architecture from Analog Devices/Maxim Integrated.
Q: What is the resolution of the MAX1281BEUP+?
A: It provides 12-bit resolution, offering higher precision for accurate signal measurement.
Q: What is the sampling rate of the MAX1281BEUP+?
A: The MAX1281BEUP+ supports a maximum sampling rate of 300 kSPS (300,000 samples per second).
Q: How many input channels does it have?
A: It has 4 or 8 input channels (configurable), allowing flexible multichannel signal acquisition.
Q: What interface does the MAX1281BEUP+ use?
A: It uses a standard SPI interface for easy connection to microcontrollers and digital systems.
Q: What is the package type?
A: The MAX1281BEUP+ is available in a 20-TSSOP (0.173", 4.40mm Width) package.
Base Product Number : MAX1281
12-bit 300 kSPS 4-channel 8-channel ADC Analog-to-Digital Converter MAX1281 Maxim Integrated MUX-S/H-ADC SPI Interface TSSOP-20
Q: What is the MAX1281BEUP+?
A: The MAX1281BEUP+ is a 12-bit, multichannel analog-to-digital converter (ADC) with a MUX-S/H-ADC architecture from Analog Devices/Maxim Integrated.
Q: What is the resolution of the MAX1281BEUP+?
A: It provides 12-bit resolution, offering higher precision for accurate signal measurement.
Q: What is the sampling rate of the MAX1281BEUP+?
A: The MAX1281BEUP+ supports a maximum sampling rate of 300 kSPS (300,000 samples per second).
Q: How many input channels does it have?
A: It has 4 or 8 input channels (configurable), allowing flexible multichannel signal acquisition.
Q: What interface does the MAX1281BEUP+ use?
A: It uses a standard SPI interface for easy connection to microcontrollers and digital systems.
Q: What is the package type?
A: The MAX1281BEUP+ is available in a 20-TSSOP (0.173", 4.40mm Width) package.