Overview
The MAX11213EEE+T, produced by Analog Devices Inc./Maxim Integrated, is a 16-bit, single-channel, ultra-low-power delta-sigma analog-to-digital converter (ADC). This device is renowned for its high resolution and low power consumption, making it ideal for applications requiring high dynamic range and minimal power usage. The MAX11213 features programmable gain and GPIO, enhancing its versatility and system robustness. It is particularly suited for use in sensors and industrial control loops, such as those in 4mA to 20mA industrial control systems.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 16 bits |
| Number of Channels | 1 Channel |
| Interface Type | SPI |
| Input Type | Single-Ended |
| Analog Supply Voltage | 2.7V to 3.6V |
| Digital and I/O Supply Voltage | 1.7V to 3.6V |
| Operating Temperature Range | -40°C to 85°C |
| Active Current | < 300µA |
| ESD Protection | ±2kV |
Key Features
- Ultra-low power consumption (< 300µA active current)
- High resolution (16 bits) and high dynamic range
- Programmable gain (1–128) and GPIO
- Internal oscillator requiring no external components
- Internal digital filter providing over 100dB rejection of 50Hz or 60Hz line noise
- Optional input buffers for signal isolation and high-impedance source compatibility
- User-programmable offset and gain registers
- ±2kV ESD protection for increased system robustness and reliability
Applications
- Sensors in industrial control loops (e.g., 4mA to 20mA systems)
- High-precision measurement systems requiring low power and high dynamic range
- Industrial automation and control systems
- Medical devices and diagnostic equipment
- Energy monitoring and metering applications
Q & A
- What is the resolution of the MAX11213EEE+T ADC?
The MAX11213EEE+T has a resolution of 16 bits.
- What is the typical active current consumption of the MAX11213EEE+T?
The typical active current consumption is less than 300µA.
- What is the operating temperature range of the MAX11213EEE+T?
The operating temperature range is -40°C to 85°C.
- Does the MAX11213EEE+T have programmable gain?
Yes, the MAX11213EEE+T features programmable gain from 1 to 128.
- What type of interface does the MAX11213EEE+T use?
The MAX11213EEE+T uses an SPI interface.
- What is the purpose of the optional input buffers in the MAX11213EEE+T?
The optional input buffers provide isolation of the signal inputs from the switched capacitor sampling network, allowing the use of high-impedance sources without compromising dynamic range or linearity.
- How does the MAX11213EEE+T protect against ESD?
The MAX11213EEE+T has ±2kV ESD protection to increase system robustness and reliability.
- What is the analog supply voltage range for the MAX11213EEE+T?
The analog supply voltage range is 2.7V to 3.6V.
- Can the MAX11213EEE+T be used in industrial control systems?
Yes, the MAX11213EEE+T is particularly suited for use in sensors and industrial control loops, such as those in 4mA to 20mA industrial control systems.
- Does the MAX11213EEE+T require external components for its internal oscillator?
No, the MAX11213EEE+T has a high-accuracy internal oscillator that requires no external components.
