Overview
The MAX11207EEE+ is a high-resolution, ultra-low-power analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX11206/MAX11207 family, known for their high dynamic range and low power consumption, making them ideal for various precision measurement applications. The MAX11207EEE+ features a 20-bit noise-free resolution and is optimized for use in sensors, portable instrumentation, and battery-powered devices.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 20 bits |
| Number of Channels | 1 Channel |
| Interface Type | SPI, QSPI, MICROWIRE |
| Input Type | Single-Ended, Fully Differential Signal and Reference Inputs |
| Analog Supply Voltage Range | 2.7V to 3.6V |
| Digital and I/O Supply Voltage Range | 1.7V to 3.6V |
| Operating Temperature Range | -40°C to +85°C |
| Package Type | 16-pin QSOP |
| Noise at 10sps, ±3.6VFS Input | 570nVRMS |
| Integral Non-Linearity (INL) | 3ppm (typ), 10ppm (max) |
| Line Noise Rejection | > 100dB (min) 50Hz/60Hz |
| ESD Protection | ±2kV |
Key Features
- Ultra-low power dissipation: < 300µA active current, < 0.4µA sleep-mode current
- Programmable gain (1 to 128) for MAX11206, though not applicable for MAX11207
- Four SPI-controlled GPIOs for external mux control
- Optional input buffers for high-impedance sources
- High-accuracy internal oscillator requiring no external components
- On-demand offset and gain self-calibration and system calibration
- User-programmable offset and gain registers
- No missing codes and high linearity
- Lead(Pb)-free and RoHS-compliant QSOP package
Applications
- Sensor measurement (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 MAX11207EEE+ ADC?
The MAX11207EEE+ has a 20-bit noise-free resolution.
- What is the operating temperature range of the MAX11207EEE+?
The device operates over a temperature range of -40°C to +85°C.
- What types of interfaces does the MAX11207EEE+ support?
The device supports SPI, QSPI, and MICROWIRE interfaces.
- What is the power consumption of the MAX11207EEE+ in active mode?
The active current drain is less than 300µA.
- Does the MAX11207EEE+ have built-in input buffers?
Yes, the device has optional input buffers for both signal and reference inputs.
- How does the MAX11207EEE+ handle line noise?
The device provides more than 100dB rejection of 50Hz or 60Hz line noise using its internal digital filter.
- What is the package type of the MAX11207EEE+?
The device is available in a 16-pin QSOP package.
- Is the MAX11207EEE+ RoHS-compliant?
Yes, the device is lead(Pb)-free and RoHS-compliant.
- What are some common applications of the MAX11207EEE+?
Common applications include sensor measurement, portable instrumentation, battery applications, and weigh scales.
- Does the MAX11207EEE+ have GPIOs for external control?
Yes, the device includes four SPI-controlled GPIOs for external mux control.
