Overview
The MAX11208BEUB+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 and battery-powered devices. It features a high-accuracy internal oscillator, a simple 2-wire serial interface, and operates over a wide temperature range of -40°C to +85°C.
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 |
| Active Current | < 300µA |
| Sleep Mode Current | < 0.1µA |
| 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 |
| Reference Inputs | Fully Differential |
| Internal System Clock | 2.4576MHz (MAX11208A), 2.2528MHz (MAX11208B) |
| Interface | Serial 2-Wire Interface |
| Operating Temperature Range | -40°C to +85°C |
| ESD Protection | ±2kV |
| Package | 10-pin µMAX |
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 space-saving 10-pin µMAX package.
- On-demand offset and gain self-calibration.
- Fully differential signal and reference inputs.
- 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 MAX11208BEUB+T ADC? The MAX11208BEUB+T has a 20-Bit Full-Scale Resolution.
- What is the noise performance of the MAX11208BEUB+T? It has a noise level of 720nVRMS (MAX11208B).
- What is the power consumption of the MAX11208BEUB+T in active mode? The active current is less than 300µA.
- What is the operating temperature range of the MAX11208BEUB+T? It operates over a temperature range of -40°C to +85°C.
- Does the MAX11208BEUB+T have built-in ESD protection? Yes, it has ±2kV ESD protection.
- What type of interface does the MAX11208BEUB+T use? It uses a serial 2-wire interface.
- Is the MAX11208BEUB+T RoHS-Compliant? Yes, it is Lead(Pb)-Free and RoHS-Compliant.
- What are the typical applications of the MAX11208BEUB+T? Typical applications include sensor measurement, portable instrumentation, battery applications, and weigh scales.
- Does the MAX11208BEUB+T require external components for its internal oscillator? No, the internal oscillator requires no external components.
- How does the MAX11208BEUB+T handle line noise? The internal digital filter provides more than 80dB rejection of 50Hz or 60Hz line noise.
