Overview
The MAX11208AEUB+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 space-saving 10-pin µMAX package.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 20 bits |
| Number of Channels | 1 Channel |
| Interface Type | 2-Wire Serial (SPI compatible) |
| Sampling Rate | Up to 120 samples per second (sps) |
| Analog Supply Voltage Range | 2.7V to 3.6V |
| Digital and I/O Supply Voltage Range | 1.7V to 3.6V |
| Operating Temperature Range | -40°C to +85°C |
| Active Current | < 300µA (max) |
| Sleep Mode Current Drain | < 0.1µA |
| Noise | 720nVRMS (MAX11208B) |
| Integral Non-Linearity (INL) | 3ppm |
| 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 in a 10-pin µMAX package
- 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 MAX11208AEUB+T ADC?
The MAX11208AEUB+T has a 20-bit full-scale resolution.
- What is the maximum active current consumption of the MAX11208AEUB+T?
The maximum active current consumption is less than 300µA.
- What is the operating temperature range of the MAX11208AEUB+T?
The operating temperature range is -40°C to +85°C.
- Does the MAX11208AEUB+T require external components for its internal oscillator?
No, the MAX11208AEUB+T does not require external components for its internal oscillator.
- What type of interface does the MAX11208AEUB+T use?
The MAX11208AEUB+T uses a simple 2-wire serial interface.
- What is the noise level of the MAX11208AEUB+T?
The noise level is 720nVRMS for the MAX11208B variant.
- Does the MAX11208AEUB+T have built-in ESD protection?
- What are some common applications of the MAX11208AEUB+T?
- Is the MAX11208AEUB+T RoHS-compliant?
- How does the MAX11208AEUB+T handle power-on reset (POR)?
The MAX11208AEUB+T utilizes power-on reset (POR) supply-monitoring circuitry for both digital and analog supplies to ensure proper device default conditions after power sequencing events.
