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Product attributes Property Value
Manufacturer Analog Devices Inc./Maxim Integrated
Product Series
Packaging Factory | Tube
Number of Bits 18
Sampling Rate (Per Second) 480
Number of Inputs 3, 5
Input Type Differential, Pseudo-Differential
Data Interface SPI
Configuration MUX-PGA-ADC
Ratio - S/H:ADC -
Number of A/D Converters 1
Architecture Sigma-Delta
Reference Type External
Voltage - Supply, Analog 5V
Voltage - Supply, Digital 2.7V ~ 5.25V
Features PGA
Operating Temperature 0°C ~ 70°C
Mounting Type Surface Mount
Grade -
Qualification -
Package / Case 28-SSOP (0.209", 5.30mm Width)
Supplier Device Package 28-SSOP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The MAX1400CAI+ is a high-performance, 18-bit analog-to-digital converter (ADC) from Analog Devices Inc./Maxim Integrated, designed for precision measurement applications. It features a multiplexed input stage supporting 3 or 5 channels, a programmable gain amplifier (PGA), and a serial SPI interface. With a sampling rate of 480 SPS and an external reference, this ADC delivers accurate and stable conversions. Its MUX-PGA-ADC architecture makes it an excellent choice for industrial process control, portable instrumentation, and precision sensor signal digitization.

  • High Resolution: 18-bit resolution provides exceptional accuracy for demanding measurement applications, ensuring minimal quantization error.
  • Integrated PGA: The built-in programmable gain amplifier amplifies low-level sensor signals, eliminating the need for external amplification and simplifying design.
  • Multiplexed Inputs: Supports 3 or 5 input channels, allowing a single ADC to monitor multiple sensors, reducing system cost and board space.
  • Low Power Consumption: Designed for power-sensitive applications, extending battery life in portable devices.
  • SPI Interface: Standard serial interface ensures easy integration with a wide range of microcontrollers and digital signal processors.

Precision Weigh Scales

The 18-bit resolution and 480 SPS sampling rate make the MAX1400CAI+ ideal for weigh scale applications, where high accuracy and low drift are critical for precise weight measurement.

Industrial Process Control

With 3 or 5 multiplexed input channels, this ADC can monitor multiple sensors in industrial process control systems, digitizing signals from temperature, pressure, and flow transmitters with high precision.

Portable Instrumentation

The low-power consumption of the MAX1400CAI+ is well-suited for battery-powered portable instruments, such as handheld multimeters and data loggers, requiring high-resolution measurement.

Sensor Signal Conditioning

The integrated programmable gain amplifier (PGA) allows direct interfacing with low-level sensor outputs, such as strain gauges and thermocouples, simplifying signal conditioning circuitry.

Data Acquisition Systems

In multi-channel data acquisition systems, the MAX1400CAI+ provides a compact, high-resolution solution for digitizing analog signals from various sources, ensuring accurate data capture.

Q: What type of ADC is the MAX1400CAI+?
A: The MAX1400CAI+ is a multi-channel, 18-bit, low-power, serial-output analog-to-digital converter featuring a MUX-PGA-ADC architecture.
Q: What is the resolution of the MAX1400CAI+?
A: The MAX1400CAI+ provides a high resolution of 18 bits, enabling precise measurement of small signal variations.
Q: What is the sampling rate of the MAX1400CAI+?
A: The sampling rate is 480 SPS (samples per second), suitable for low-speed, high-precision applications.
Q: How many input channels does the MAX1400CAI+ have?
A: It supports 3 or 5 input channels, configurable for various multiplexed input configurations.
Q: What digital interface does the MAX1400CAI+ use?
A: It uses a standard SPI (Serial Peripheral Interface) for communication with microcontrollers and DSPs.
Q: What is the package type for the MAX1400CAI+?
A: The device is available in a 28-SSOP (0.209", 5.30mm Width) package.
Base Product Number : MAX1400
18-bit 480 SPS ADC Analog-to-Digital Converter MAX1400 MUX-PGA-ADC Precision ADC SPI SSOP-28
Q: What type of ADC is the MAX1400CAI+?
A: The MAX1400CAI+ is a multi-channel, 18-bit, low-power, serial-output analog-to-digital converter featuring a MUX-PGA-ADC architecture.
Q: What is the resolution of the MAX1400CAI+?
A: The MAX1400CAI+ provides a high resolution of 18 bits, enabling precise measurement of small signal variations.
Q: What is the sampling rate of the MAX1400CAI+?
A: The sampling rate is 480 SPS (samples per second), suitable for low-speed, high-precision applications.
Q: How many input channels does the MAX1400CAI+ have?
A: It supports 3 or 5 input channels, configurable for various multiplexed input configurations.
Q: What digital interface does the MAX1400CAI+ use?
A: It uses a standard SPI (Serial Peripheral Interface) for communication with microcontrollers and DSPs.
Q: What is the package type for the MAX1400CAI+?
A: The device is available in a 28-SSOP (0.209", 5.30mm Width) package.