Overview
The MAX11203EEE+T, produced by Analog Devices Inc./Maxim Integrated, is an ultra-low-power, high-resolution, single-channel analog-to-digital converter (ADC). This device is part of the MAX11203/MAX11213 family and is optimized for applications requiring high dynamic range and low power consumption. It is particularly suited for use in sensors on industrial control loops, such as 4mA to 20mA loops. The ADC features a delta-sigma architecture and provides serial output, making it highly efficient for various industrial and sensor-based applications.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 16-bit | |
| Active Current | < 300µA | |
| Input Voltage Range | VGND - 30mV to VAVDD + 30mV (buffers disabled) | V |
| Common-Mode Voltage Range | VGND to VAVDD | V |
| Line Noise Rejection | 100dB at 50Hz or 60Hz | dB |
| Package Type | 16-pin QSOP | |
| Interface | SPI | |
| Internal Oscillator | High-accuracy, no external components required |
Key Features
- Ultra-low power consumption (< 300µA active current)
- High resolution (16-bit) with delta-sigma architecture
- Optional input buffers for isolation from switched capacitor sampling network
- High-accuracy internal oscillator requiring no external components
- Internal digital filter providing over 100dB rejection of 50Hz or 60Hz line noise
- Configurable via SPI interface
- Available in 16-pin QSOP package
Applications
The MAX11203EEE+T is optimized for applications that require high dynamic range and low power consumption. Key applications include:
- Sensors on industrial control loops (e.g., 4mA to 20mA loops)
- High-impedance sources without compromising dynamic range or linearity
- Industrial automation and control systems
- Medical devices and diagnostic equipment
- Environmental monitoring and sensing
Q & A
- What is the resolution of the MAX11203EEE+T ADC?
The MAX11203EEE+T has a resolution of 16 bits. - What is the typical active current consumption of the MAX11203EEE+T?
The typical active current consumption is less than 300µA. - What type of interface does the MAX11203EEE+T use for configuration?
The device uses the SPI interface for configuration. - Does the MAX11203EEE+T require external components for its internal oscillator?
No, the internal oscillator requires no external components. - What is the line noise rejection capability of the MAX11203EEE+T?
The device provides over 100dB rejection of 50Hz or 60Hz line noise. - What package type is the MAX11203EEE+T available in?
The device is available in a 16-pin QSOP package. - What are the key applications of the MAX11203EEE+T?
Key applications include sensors on industrial control loops, high-impedance sources, industrial automation, medical devices, and environmental monitoring. - Does the MAX11203EEE+T have optional input buffers?
Yes, the device has optional input buffers for isolating signal inputs from the switched capacitor sampling network. - How does the MAX11203EEE+T handle high-impedance sources?
The optional input buffers allow the device to handle high-impedance sources without compromising dynamic range or linearity. - What is the common-mode voltage range of the MAX11203EEE+T?
The common-mode voltage range is from VGND to VAVDD.
