Overview
The MAX111BEAP+ is a low-power, 14-bit, 2-channel analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX111 series, known for its high resolution and low power consumption, making it ideal for battery-powered and remote-sensing applications. The MAX111BEAP+ operates on a single +5V supply and features an internal auto-calibration technique that achieves 14-bit resolution plus overrange without the need for external components.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 14 bits + sign and overrange | |
| Supply Voltage | Single +5V | V |
| Supply Current | 550 µA (active), 4 µA (power-down) | µA |
| Input Channels | 2 differential or single-ended | |
| Input Voltage Range | ±1.5V (differential), 0V to +1.5V (single-ended) | V |
| Linearity | 0.05% FSR | % |
| Conversion Rate | Up to 50 conversions/sec | conversions/sec |
| Operating Temperature Range | -40°C to +85°C | °C |
| Package Type | 16-pin DIP, SO, 20-pin SSOP |
Key Features
- Single +5V supply operation
- 14-bit resolution plus sign and overrange bit
- Internal auto-calibration technique for offset and gain-error correction
- Low power consumption: 550 µA (active), 4 µA (power-down)
- Two differential input channels or single-ended inputs
- Fast serial interface compatible with SPI, QSPI, and MICROWIRE
- No external components required
- 50Hz/60Hz rejection
Applications
- Process control
- Weigh scales
- Panel meters
- Data-acquisition systems
- Temperature measurement
- Battery-powered applications
- Remote-sensing applications
Q & A
- What is the resolution of the MAX111BEAP+ ADC?
The MAX111BEAP+ has a 14-bit resolution plus a sign and overrange bit.
- What is the supply voltage for the MAX111BEAP+?
The MAX111BEAP+ operates on a single +5V supply.
- How many input channels does the MAX111BEAP+ have?
The MAX111BEAP+ has two differential or single-ended input channels.
- What is the input voltage range for the MAX111BEAP+?
The input voltage range is ±1.5V for differential inputs and 0V to +1.5V for single-ended inputs.
- What is the linearity of the MAX111BEAP+?
The linearity is 0.05% FSR.
- How many conversions per second can the MAX111BEAP+ perform?
The MAX111BEAP+ can perform up to 50 conversions per second.
- What is the operating temperature range for the MAX111BEAP+?
The operating temperature range is -40°C to +85°C.
- What packages are available for the MAX111BEAP+?
The MAX111BEAP+ is available in 16-pin DIP, SO, and 20-pin SSOP packages.
- Does the MAX111BEAP+ require external components for calibration?
No, the MAX111BEAP+ uses an internal auto-calibration technique and does not require external components.
- Is the MAX111BEAP+ compatible with common serial interfaces?
