Overview
The MAX111AEWE+ is a high-resolution analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This component is part of the MAX111 series, known for its low-power consumption and high accuracy. The MAX111AEWE+ operates with a single +5V supply and is designed for converting differential analog signals in the ±1.5V range or single-ended signals in the 0V to +1.5V range. It features an internal auto-calibration technique, eliminating the need for external components to achieve 14-bit resolution plus overrange.
Key Specifications
| Description | Specification |
|---|---|
| Number of Bits | 14 |
| Number of Inputs | 2 |
| Input Type | Differential |
| Data Interface | SPI |
| Architecture | Sigma-Delta |
| Reference Type | External |
| Voltage – Supply, Analog | 5V |
| Voltage – Supply, Digital | 5V |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 16-SOIC (0.295″, 7.50mm Width) |
| Mounting Type | Surface Mount |
Key Features
- High Resolution: 14-bit resolution plus overrange achieved through internal auto-calibration.
- Low Power Consumption: Operating supply current of 550µA and reduces to 4µA in power-down mode.
- Flexible Input Range: Converts differential analog signals in the ±1.5V range or single-ended signals in the 0V to +1.5V range.
- Fast Serial Interface: Compatible with SPI, QSPI, and MICROWIRE, simplifying signal routing and opto-isolation.
- Compact Packaging: Available in a 16-SOIC package, suitable for surface mount applications.
Applications
The MAX111AEWE+ is ideal for various high-resolution data acquisition and battery-powered applications, including:
- Remote sensing systems.
- Industrial automation and control systems.
- Medical devices requiring precise analog-to-digital conversion.
- Automotive systems where low power consumption and high accuracy are critical.
Q & A
- What is the resolution of the MAX111AEWE+ ADC?
The MAX111AEWE+ has a 14-bit resolution plus overrange.
- What is the operating supply voltage for the MAX111AEWE+?
The MAX111AEWE+ operates with a single +5V supply.
- What types of analog signals can the MAX111AEWE+ convert?
The MAX111AEWE+ can convert differential analog signals in the ±1.5V range or single-ended signals in the 0V to +1.5V range.
- What is the data interface of the MAX111AEWE+?
The MAX111AEWE+ uses an SPI-compatible serial interface.
- What is the power consumption of the MAX111AEWE+ in operating and power-down modes?
The MAX111AEWE+ consumes 550µA in operating mode and reduces to 4µA in power-down mode.
- What is the operating temperature range of the MAX111AEWE+?
The operating temperature range is -40°C to 85°C.
- What package type is the MAX111AEWE+ available in?
The MAX111AEWE+ is available in a 16-SOIC package.
- Is the MAX111AEWE+ RoHS compliant?
Yes, the MAX111AEWE+ is RoHS3 compliant.
- What are some typical applications of the MAX111AEWE+?
Typical applications include remote sensing, industrial automation, medical devices, and automotive systems.
- How does the MAX111AEWE+ achieve high accuracy?
The MAX111AEWE+ achieves high accuracy through an internal auto-calibration technique.
