Overview
The MAX11210EEE+ 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. The MAX11210EEE+ features an internal oscillator that does not require external components and provides excellent DC and AC accuracy. It is particularly suited for sensor measurements, portable instrumentation, and battery-powered applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 24 bits |
| ENOB at 5sps | 24.0 bits |
| Noise-Free Resolution at 10sps | 20.9 bits |
| Noise-Free Resolution at 120sps | 19 bits |
| Noise at 10sps, ±3.6VFS Input | 570nVRMS |
| Integral Non-Linearity (INL) | 1ppm (typ), 10ppm (max) |
| Active Current | < 300µA |
| Sleep-Mode Current | < 0.4µA |
| Input Buffers | Optional on both signal and reference inputs |
| Programmable Gain | 1 to 16 (MAX11210) |
| SPI-Controlled GPIOs | Four |
| Package Type | 16-pin QSOP |
Key Features
- Ultra-low power consumption with active current < 300µA and sleep-mode current < 0.4µA.
- High-resolution ADC with 24.0-bit ENOB at 5sps, 20.9-bit noise-free resolution at 10sps, and 19-bit noise-free resolution at 120sps.
- Excellent DC and AC accuracy with 1ppm INL (typ) and no missing codes.
- Integrated functionality including programmable gain (1 to 16), four SPI-controlled GPIOs for external mux control, and optional input buffers.
- High-accuracy internal oscillator requiring no external components.
- More than 100dB rejection of 50Hz or 60Hz line noise.
Applications
- Sensor measurements (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 MAX11210EEE+ ADC?
The MAX11210EEE+ has a resolution of 24 bits. - What is the typical active current consumption of the MAX11210EEE+?
The typical active current consumption is less than 300µA. - Does the MAX11210EEE+ have an internal oscillator?
Yes, it has a high-accuracy internal oscillator that requires no external components. - What is the noise performance of the MAX11210EEE+ at 10sps?
The noise at 10sps is 570nVRMS with a ±3.6VFS input. - Can the MAX11210EEE+ be used with high-impedance sources?
Yes, optional input buffers provide isolation from the switched capacitor sampling network, allowing use with high-impedance sources. - What is the package type of the MAX11210EEE+?
The package type is a 16-pin QSOP. - Does the MAX11210EEE+ support SPI interface?
Yes, it is configurable using the SPI interface. - What are some typical applications of the MAX11210EEE+?
Typical applications include sensor measurements, portable instrumentation, battery applications, and weigh scales. - How many SPI-controlled GPIOs does the MAX11210EEE+ have?
The device has four SPI-controlled GPIOs for external mux control. - What is the line noise rejection capability of the MAX11210EEE+?
The device provides more than 100dB rejection of 50Hz or 60Hz line noise.
