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Product attributes Property Value
Manufacturer Analog Devices Inc./Maxim Integrated
Product Series
Packaging Bulk |
Number of Bits 14
Sampling Rate (Per Second) 200k
Number of Inputs 1
Input Type Single Ended
Data Interface MICROWIRE, QSPI, SPI
Configuration 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 4.75V ~ 5.25V
Features PGA, True Bipolar
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Grade -
Qualification -
Package / Case 20-SSOP (0.209", 5.30mm Width)
Supplier Device Package 20-SSOP

The MAX1142AEAP from Analog Devices is a high-performance 14-bit analog-to-digital converter featuring a 200k SPS sampling rate and a single input channel. Its successive-approximation architecture ensures fast and accurate conversions, while the flexible MICROWIRE, QSPI, and SPI interfaces simplify integration with microcontrollers. With an operating temperature range of -40°C to 85°C and a compact 20-SSOP package, this ADC is well-suited for industrial automation, medical instrumentation, and portable data acquisition systems.

  • High Resolution: 14-bit resolution provides fine granularity for precise measurement in demanding sensor applications.
  • Fast Sampling: 200k SPS throughput enables real-time data capture in dynamic industrial and test systems.
  • Flexible Interface: Supports MICROWIRE, QSPI, and SPI, ensuring easy connectivity with a wide range of microcontrollers and DSPs.
  • Wide Temperature Range: -40°C to 85°C operation guarantees reliable performance in harsh environments.
  • Compact Package: 20-SSOP footprint saves board space in space-constrained designs.

High-Precision Sensor Digitization

The 14-bit resolution and 200k SPS sampling rate make it ideal for digitizing precision analog sensors such as strain gauges and pressure transducers in industrial weigh scales and process control.

Portable Data Acquisition Systems

With SPI/QSPI/MICROWIRE interfaces and low power consumption, it fits perfectly into battery-powered portable data loggers and field instruments requiring accurate signal capture.

Medical Instrumentation

Its accuracy and small SSOP package enable use in compact medical monitoring devices like patient vital sign monitors and portable diagnostic equipment.

Industrial Automation

The wide temperature range (-40°C to 85°C) and reliable S/H architecture support use in industrial PLCs and motor control feedback loops where environmental robustness is critical.

Test and Measurement Equipment

The 200k SPS throughput and external/internal reference options allow for flexible configuration in benchtop multimeters and waveform digitizers requiring reliable conversion.

Q: What type of ADC is the MAX1142AEAP?
A: The MAX1142AEAP is a 14-bit successive-approximation (S/H-ADC) analog-to-digital converter.
Q: What is the resolution and sampling rate?
A: It offers 14-bit resolution and a maximum sampling rate of 200k SPS.
Q: How many input channels does it have?
A: It has a single input channel.
Q: What digital interfaces are supported?
A: It supports MICROWIRE, QSPI, and SPI interfaces.
Q: What is the operating temperature range?
A: It operates from -40°C to 85°C.
Q: What package is available?
A: It comes in a 20-SSOP (0.209", 5.30mm Width) package.
Base Product Number : MAX1142
14-bit 200k SPS ADC Analog-to-Digital Converter MAX1142 MICROWIRE QSPI SPI SSOP
Q: What type of ADC is the MAX1142AEAP?
A: The MAX1142AEAP is a 14-bit successive-approximation (S/H-ADC) analog-to-digital converter.
Q: What is the resolution and sampling rate?
A: It offers 14-bit resolution and a maximum sampling rate of 200k SPS.
Q: How many input channels does it have?
A: It has a single input channel.
Q: What digital interfaces are supported?
A: It supports MICROWIRE, QSPI, and SPI interfaces.
Q: What is the operating temperature range?
A: It operates from -40°C to 85°C.
Q: What package is available?
A: It comes in a 20-SSOP (0.209", 5.30mm Width) package.