Overview
The MAX11212BEUB+ is an ultra-low power, high-resolution analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This 18-bit, single-channel ADC is designed for applications requiring high dynamic range and low power consumption. It features a serial output and is optimized for use in various industrial and portable applications. The device is known for its high accuracy and low noise characteristics, making it suitable for precise measurements in diverse environments.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 18 bits |
| Input Type | Single-channel, Sigma-Delta |
| Analog Supply Voltage Range | 2.7V to 3.6V |
| Digital and I/O Supply Voltage Range | 1.7V to 3.6V |
| Active Current | < 300μA (max) |
| Sleep-Mode Current Drain | < 0.1μA |
| Internal Oscillator Frequency | 2.4576MHz (MAX11212A), 2.2528MHz (MAX11212B) |
| Operating Temperature Range | -40°C to +85°C |
| Package Type | 10-pin µMAX/uSOP |
| ESD Protection | ±2kV |
Key Features
- Ultra-low power dissipation with active current < 300μA and sleep-mode current < 0.1μA
- 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 inputs and reference inputs
- On-demand offset and gain self-calibration
- Power-on reset (POR) supply-monitoring circuitry for both digital and analog supplies
- Lead(Pb)-free and RoHS-compliant
Applications
- Sensor measurement (temperature and pressure)
- Portable instrumentation
- Battery applications
- Weigh scales
- Industrial control loops (e.g., 4mA to 20mA)
Q & A
- What is the resolution of the MAX11212BEUB+ ADC?
The MAX11212BEUB+ has an 18-bit full-scale resolution.
- What is the maximum active current consumption of the MAX11212BEUB+?
The maximum active current consumption is less than 300μA.
- What is the operating temperature range of the MAX11212BEUB+?
The operating temperature range is -40°C to +85°C.
- Does the MAX11212BEUB+ have internal oscillator options?
Yes, it has internal oscillators with frequencies of 2.4576MHz (MAX11212A) and 2.2528MHz (MAX11212B).
- What type of interface does the MAX11212BEUB+ use?
The device uses a simple 2-wire serial interface.
- Is the MAX11212BEUB+ RoHS-compliant?
Yes, the MAX11212BEUB+ is lead(Pb)-free and RoHS-compliant.
- What kind of ESD protection does the MAX11212BEUB+ offer?
The device offers ±2kV ESD protection.
- Can the MAX11212BEUB+ perform self-calibration?
Yes, it supports on-demand offset and gain self-calibration.
- What is the package type of the MAX11212BEUB+?
The device is packaged in a 10-pin µMAX/uSOP package.
- What are some common applications for the MAX11212BEUB+?
Common applications include sensor measurement, portable instrumentation, battery applications, and weigh scales.
