Overview
The MAX11212AEUB+T, produced by Analog Devices Inc./Maxim Integrated, is an ultra-low power, high-resolution, single-channel, delta-sigma analog-to-digital converter (ADC). This device is optimized for applications requiring high dynamic range and low power consumption, such as sensors in industrial control loops. It features a high-accuracy internal oscillator that does not require external components and provides a simple 2-wire serial interface in a compact 10-pin µMAX package.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 18-Bit Full-Scale |
| Noise (MAX11212B) | 720nVRMS |
| Integral Nonlinearity (INL) | 3ppm |
| Missing Codes | No Missing Codes |
| Operating Mode Current Drain | < 300µA (max) |
| Sleep-Mode Current Drain | < 0.1µA |
| Analog Supply Voltage Range | 2.7V to 3.6V |
| Digital and I/O Supply Voltage Range | 1.7V to 3.6V |
| Internal System Clock | 2.4576MHz (MAX11212A), 2.2528MHz (MAX11212B) |
| Operating Temperature Range | -40°C to +85°C |
| ESD Protection | ±2kV |
| Package Type | 10-pin µMAX |
Key Features
- Ultra-low power dissipation with < 300µA max active current and < 0.1µA sleep-mode current drain
- High-accuracy internal oscillator requiring no external components
- Internal digital filter providing more than 80dB rejection of 50Hz or 60Hz line noise
- Simple 2-wire serial interface
- Fully differential signal and reference inputs
- On-demand offset and gain self-calibration
- Lead(Pb)-Free and RoHS-Compliant
Applications
- Sensor Measurement (Temperature and Pressure)
- Portable Instrumentation
- Battery Applications
- Weigh Scales
- Sensors on 4mA to 20mA industrial control loops
Q & A
- What is the resolution of the MAX11212AEUB+T ADC?
The MAX11212AEUB+T has an 18-bit full-scale resolution. - What is the maximum operating current of the MAX11212AEUB+T?
The maximum operating current is less than 300µA. - What is the operating temperature range of the MAX11212AEUB+T?
The operating temperature range is -40°C to +85°C. - Does the MAX11212AEUB+T require external components for its internal oscillator?
No, the internal oscillator does not require external components. - What type of interface does the MAX11212AEUB+T use?
The MAX11212AEUB+T uses a simple 2-wire serial interface. - What is the noise level of the MAX11212B version?
The noise level of the MAX11212B version is 720nVRMS. - Does the MAX11212AEUB+T have any missing codes?
No, the MAX11212AEUB+T has no missing codes. - What is the ESD protection level of the MAX11212AEUB+T?
The ESD protection level is ±2kV. - Is the MAX11212AEUB+T RoHS-Compliant?
Yes, the MAX11212AEUB+T is Lead(Pb)-Free and RoHS-Compliant. - What are some common applications of the MAX11212AEUB+T?
Common applications include sensor measurement, portable instrumentation, battery applications, and weigh scales.
