Overview
The MAX111ACWE+ is a 14-bit, low-cost, two-channel analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX110/MAX111 family, known for its high resolution and low power consumption. The MAX111 operates with a single +5V supply and is designed to convert 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, which achieves 14-bit resolution plus overrange without the need for external components. This makes it ideal for high-resolution battery-powered or remote-sensing applications.
Key Specifications
| Parameter | Value | Notes |
|---|---|---|
| Resolution | 14-bit + overrange | |
| Supply Voltage | +5V | |
| Input Range (Differential) | ±1.5V | |
| Input Range (Single-Ended) | 0V to +1.5V | |
| Supply Current (Operating) | 550µA | |
| Supply Current (Power-Down) | 4µA | |
| Interface Compatibility | SPI™, QSPI™, MICROWIRE™ | |
| Package Type | 16-SOIC | |
| Operating Temperature Range | 0°C to +70°C (or -40°C to +85°C for certain models) |
Key Features
- High Resolution: Achieves 14-bit resolution plus overrange using an internal auto-calibration technique.
- Low Power Consumption: Operates with a supply current of 550µA and reduces to 4µA in power-down mode.
- Flexible Input Configuration: Supports differential and single-ended input signals.
- Fast Serial Interface: Compatible with SPI™, QSPI™, and MICROWIRE™, simplifying signal routing and opto-isolation.
- Compact Package: Available in a 16-SOIC package, making it suitable for space-constrained applications.
Applications
- Battery-Powered Devices: Ideal for high-resolution battery-powered applications due to its low power consumption.
- Remote Sensing: Suitable for remote-sensing applications where power efficiency is crucial.
- Data Acquisition Systems: Used in data-acquisition systems requiring high resolution and low power.
- Industrial Automation: Can be used in industrial automation for precise measurement and control.
Q & A
- What is the resolution of the MAX111ACWE+ ADC?
The MAX111ACWE+ ADC has a resolution of 14-bit plus overrange.
- What is the supply voltage for the MAX111ACWE+?
The MAX111ACWE+ operates with a single +5V supply.
- What are the input ranges for the MAX111ACWE+?
The input ranges are ±1.5V for differential signals and 0V to +1.5V for single-ended signals.
- How much current does the MAX111ACWE+ consume in operating mode?
The supply current in operating mode is 550µA.
- What is the power consumption in power-down mode?
The supply current in power-down mode is 4µA.
- What interfaces is the MAX111ACWE+ compatible with?
The MAX111ACWE+ is compatible with SPI™, QSPI™, and MICROWIRE™ interfaces.
- In what package is the MAX111ACWE+ available?
The MAX111ACWE+ is available in a 16-SOIC package.
- What are the typical operating temperature ranges for the MAX111ACWE+?
The operating temperature ranges are 0°C to +70°C (or -40°C to +85°C for certain models).
- Is the MAX111ACWE+ suitable for battery-powered devices?
Yes, it is ideal for battery-powered devices due to its low power consumption.
- Can the MAX111ACWE+ be used in remote-sensing applications?
Yes, it is suitable for remote-sensing applications where power efficiency is crucial.
