Overview
The MAX11205AEUB+T is a 16-bit, single-channel, ultra-low power, delta-sigma analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is renowned for its high resolution and low power consumption, making it ideal for applications requiring high dynamic range and minimal power usage. The MAX11205AEUB+T features a simple 2-wire serial interface and is packaged in a space-saving 10-pin µMAX package. It operates over a wide temperature range of -40°C to +85°C and includes an internal high-accuracy oscillator that requires no external components.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 16-bit full-scale resolution |
| Noise | 720nVRMS (MAX11205B) |
| Integral Nonlinearity (INL) | 3ppm |
| No Missing Codes | Yes |
| 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 |
| Signal Inputs | Fully differential signal inputs |
| Reference Inputs | Fully differential reference inputs |
| Internal System Clock | 2.4576MHz (MAX11205A), 2.2528MHz (MAX11205B) |
| Operating Temperature Range | -40°C to +85°C |
| ESD Protection | ±2kV |
| Package | 10-pin µMAX |
Key Features
- Ultra-low power dissipation with < 300µA max 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.
- Fully differential signal 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.
- Sensors on 4mA to 20mA industrial control loops.
Q & A
- What is the resolution of the MAX11205AEUB+T ADC?
The MAX11205AEUB+T has a 16-bit full-scale resolution.
- What is the maximum operating current of the MAX11205AEUB+T?
The maximum operating current is less than 300µA.
- What is the temperature range of the MAX11205AEUB+T?
The device operates over a temperature range of -40°C to +85°C.
- Does the MAX11205AEUB+T require external components for its internal oscillator?
No, the internal oscillator does not require any external components.
- What type of signal inputs does the MAX11205AEUB+T support?
The device supports fully differential signal inputs.
- How does the MAX11205AEUB+T handle power-on reset (POR)?
The device includes POR supply-monitoring circuitry for both digital and analog supplies, ensuring proper default conditions after power sequencing events.
- What is the noise performance of the MAX11205AEUB+T?
The noise performance is 720nVRMS for the MAX11205B variant.
- Is the MAX11205AEUB+T RoHS-compliant?
- What is the package type of the MAX11205AEUB+T?
The device is packaged in a 10-pin µMAX package.
- What are some common applications of the MAX11205AEUB+T?
