Overview
The MAX1268BEEG+ is a low-power, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1266/MAX1268 family, known for its high performance, low power consumption, and versatility in various applications. The MAX1268BEEG+ operates with a single +5V analog supply and features a successive-approximation ADC, automatic power-down, and fast wake-up capabilities. It is designed to meet the demands of battery-powered and data-acquisition systems, as well as other circuits with stringent power and space requirements.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-bit |
| Linearity | ±0.5 LSB |
| Analog Supply Voltage | +5V |
| Internal Reference Voltage | +2.5V |
| Analog Input Channels | 2 (single-ended), 1 (pseudo-differential) |
| Sampling Rate | Up to 420ksps |
| Power Consumption | 2.8mA (420ksps), 1.0mA (100ksps), 400µA (10ksps), 2µA (shutdown) |
| Interface | Parallel 12-bit interface |
| Package | 24-pin QSOP |
Key Features
- 12-bit resolution with ±0.5 LSB linearity
- Single +5V operation with internal +2.5V reference
- Software-configurable analog input multiplexer for unipolar/bipolar and single-ended/pseudo-differential operation
- Low current consumption: 2.8mA (420ksps), 1.0mA (100ksps), 400µA (10ksps), and 2µA in shutdown mode
- Internal 6MHz full-power bandwidth track/hold
- Fast wake-up time of 2µs
- Small footprint in a 24-pin QSOP package
Applications
- Data Acquisition Systems
- Data Logging
- Energy Management
- Industrial Control Systems
- Patient Monitoring
- Touch Screens
Q & A
- What is the resolution of the MAX1268BEEG+ ADC?
The MAX1268BEEG+ has a 12-bit resolution.
- What is the linearity of the MAX1268BEEG+ ADC?
The linearity is ±0.5 LSB.
- What is the operating voltage of the MAX1268BEEG+?
The device operates with a single +5V analog supply.
- How many analog input channels does the MAX1268BEEG+ have?
The MAX1268BEEG+ has 2 single-ended channels or 1 pseudo-differential channel.
- What is the maximum sampling rate of the MAX1268BEEG+?
The maximum sampling rate is up to 420ksps.
- What are the power-down modes available for the MAX1268BEEG+?
The device has two software-selectable power-down modes that can reduce supply current to under 10µA at lower sampling rates.
- What type of interface does the MAX1268BEEG+ use?
The device uses a parallel 12-bit interface.
- In what package is the MAX1268BEEG+ available?
The MAX1268BEEG+ is available in a 24-pin QSOP package.
- What are some typical applications for the MAX1268BEEG+?
Typical applications include data acquisition systems, data logging, energy management, industrial control systems, patient monitoring, and touch screens.
- How does the MAX1268BEEG+ manage power consumption?
The device has low current consumption and can be powered down between conversions to reduce supply current, with options for fast wake-up and shutdown modes.
