Overview
The MAX1400EAI+T is an 18-bit, low-power, multichannel, serial-output analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device utilizes a sigma-delta modulator and is designed for high-precision measurements. It features multiple input channels, programmable gain and offset, and a SPI/QSPI-compatible 3-wire serial interface. The MAX1400EAI+T is suitable for various applications requiring high accuracy and low power consumption.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 18 bits | |
| Number of Input Channels | 3 fully differential or 5 pseudo-differential | |
| Additional Channels | 2 fully differential calibration channels/auxiliary input channels | |
| Analog Supply Voltage | +5V ±5% | V |
| Digital Supply Voltage | +3V to +5.25V | V |
| Operating Temperature Range | -40°C to +85°C (MAX1400EAI) | °C |
| Package Type | 28-Pin SSOP | |
| Interface | SPI/QSPI-compatible 3-wire serial interface | |
| Full-Scale Drift | 0.3 µV/°C | µV/°C |
| Noise-Free Resolution | 16 bits |
Key Features
- Programmable gain and offset
- Fully differential reference inputs
- Automatic channel scanning and continuous data output mode
- Access to the Mux output/ADC input
- Low power consumption
- High precision with low noise and drift
- SPI/QSPI-compatible 3-wire serial interface
Applications
The MAX1400EAI+T is suitable for a variety of applications that require high precision and low power consumption, such as industrial control systems, medical devices, data acquisition systems, and precision measurement instruments.
Q & A
- What is the resolution of the MAX1400EAI+T ADC?
The MAX1400EAI+T has an 18-bit resolution. - How many input channels does the MAX1400EAI+T have?
The device has 3 fully differential or 5 pseudo-differential input channels, along with 2 additional fully differential calibration channels/auxiliary input channels. - What are the operating temperature ranges for the MAX1400EAI+T?
The operating temperature range is -40°C to +85°C. - What type of interface does the MAX1400EAI+T use?
The MAX1400EAI+T uses a SPI/QSPI-compatible 3-wire serial interface. - What is the analog supply voltage for the MAX1400EAI+T?
The analog supply voltage is +5V ±5%. - Does the MAX1400EAI+T support programmable gain and offset?
Yes, the device supports programmable gain and offset. - What is the package type of the MAX1400EAI+T?
The package type is a 28-Pin SSOP. - What are some typical applications for the MAX1400EAI+T?
Typical applications include industrial control systems, medical devices, data acquisition systems, and precision measurement instruments. - How does the MAX1400EAI+T handle channel scanning?
The device supports automatic channel scanning and continuous data output mode. - What is the full-scale drift of the MAX1400EAI+T?
The full-scale drift is 0.3 µV/°C.
