Overview
The MAX11208BEUB+ is an ultra-low-power, high-resolution, single-channel, delta-sigma analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is renowned for its high resolution per unit power, making it ideal for applications requiring very high dynamic range with low power consumption. The MAX11208 is optimized for use in sensors on 4mA to 20mA industrial control loops, among other applications.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 20-Bit Full-Scale Resolution |
| Noise-Free Resolution | 20-Bit at 13.75sps, 19-Bit at 120sps |
| Noise | 720nVRMS (MAX11208B) |
| Integral Non-Linearity (INL) | 3ppm |
| Missing Codes | No Missing Codes |
| Power Dissipation | < 300µA active current, < 0.1µA sleep mode |
| Analog Supply Voltage Range | 2.7V to 3.6V |
| Digital and I/O Supply Voltage Range | 1.7V to 3.6V |
| Signal Inputs | Fully Differential Signal Inputs |
| Reference Inputs | Fully Differential Reference Inputs |
| Internal System Clock | 2.4576MHz (MAX11208A), 2.2528MHz (MAX11208B) |
| Operating Temperature Range | -40°C to +85°C |
| ESD Protection | ±2kV |
| Package | 10-pin µMAX |
Key Features
- Ultra-low power dissipation: < 300µA active current and < 0.1µA in sleep mode.
- 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 space-saving 10-pin µMAX package.
- 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
- Sensors on 4mA to 20mA industrial control loops
Q & A
- What is the resolution of the MAX11208 ADC?
The MAX11208 has a 20-bit full-scale resolution.
- What is the power consumption of the MAX11208?
The MAX11208 consumes less than 300µA in active mode and less than 0.1µA in sleep mode.
- What type of signal inputs does the MAX11208 support?
The MAX11208 supports fully differential signal inputs.
- Does the MAX11208 require an external oscillator?
No, the MAX11208 has a high-accuracy internal oscillator that requires no external components.
- What is the operating temperature range of the MAX11208?
The MAX11208 operates over the -40°C to +85°C temperature range.
- What kind of interface does the MAX11208 use?
The MAX11208 uses a simple 2-wire serial interface.
- Does the MAX11208 have built-in ESD protection?
- What is the package type of the MAX11208?
The MAX11208 is packaged in a 10-pin µMAX package.
- Is the MAX11208 RoHS-compliant?
- What kind of calibration does the MAX11208 support?
The MAX11208 supports on-demand offset and gain self-calibration.
