Overview
The MAX11201AEUB+ is a 24-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, such as sensors in industrial control loops.
The MAX11201AEUB+ features an internal high-accuracy oscillator that does not require external components and provides a simple 2-wire serial interface. It operates over a wide temperature range of -40°C to +85°C and is packaged in a space-saving 10-pin µMAX® package.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 24 bits | |
| Number of Channels | 1 | |
| Interface Type | 2-Wire Serial | |
| Sampling Rate | Up to 120 samples per second (sps) | sps |
| Noise-Free Resolution | 20.6 bits at 13.75sps (MAX11201B) | bits |
| Noise | 700nV RMS (MAX11201B) | nV RMS |
| Integral Nonlinearity (INL) | 3ppm (typ), 10ppm (max) | ppm |
| Analog Supply Voltage Range | 2.7V to 3.6V | V |
| Digital and I/O Supply Voltage Range | 1.7V to 3.6V | V |
| Active Current | < 320µA (max) | µA |
| Sleep Mode Current | < 0.4µA | µA |
| 50Hz/60Hz Rejection | > 100dB (min) | dB |
Key Features
- Ultra-low power consumption with < 320µA max active current and < 0.4µA in sleep mode.
- High resolution with 23.3-bit ENOB and up to 20.6-bit noise-free resolution at 13.75sps.
- No missing codes and low integral nonlinearity (INL) of 3ppm (typ), 10ppm (max).
- Fully differential signal and reference inputs with high-impedance input buffers.
- Programmable internal system clock or external clock options.
- On-demand offset and gain self-calibration.
- Power-on reset (POR) supply-monitoring circuitry for both digital and analog supplies.
- High accuracy internal oscillator requiring no external components.
- Simple 2-wire serial interface in a space-saving 10-pin µMAX® package.
Applications
The MAX11201AEUB+ is optimized for applications that require high dynamic range and low power consumption, such as:
- Sensors in industrial control loops (e.g., 4mA to 20mA loops).
- High-precision measurement systems.
- Low-power data acquisition systems.
- Industrial automation and control systems.
Q & A
- What is the resolution of the MAX11201AEUB+ ADC?
The MAX11201AEUB+ has a 24-bit resolution.
- What is the maximum active current consumption of the MAX11201AEUB+?
The maximum active current consumption is less than 320µA.
- What is the noise-free resolution of the MAX11201AEUB+ at 13.75sps?
The noise-free resolution is up to 20.6 bits at 13.75sps.
- Does the MAX11201AEUB+ require external components for its internal oscillator?
No, the MAX11201AEUB+ does not require external components for its internal oscillator.
- What is the temperature range of the MAX11201AEUB+?
The operating temperature range is -40°C to +85°C.
- What type of interface does the MAX11201AEUB+ use?
The MAX11201AEUB+ uses a 2-wire serial interface.
- What is the typical integral nonlinearity (INL) of the MAX11201AEUB+?
The typical INL is 3ppm.
- Does the MAX11201AEUB+ have power-on reset (POR) functionality?
- What is the 50Hz/60Hz line noise rejection of the MAX11201AEUB+?
The 50Hz/60Hz line noise rejection is more than 100dB.
- What package type is the MAX11201AEUB+ available in?
The MAX11201AEUB+ is available in a 10-pin µMAX® package.
