Overview
The MAX1294AEEI+ is a 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1294/MAX1296 series, known for their low power consumption and high performance. The MAX1294AEEI+ operates on a single +5V supply and features a successive-approximation ADC architecture. It includes an internal +2.5V reference and a high-speed 12-bit parallel interface, making it suitable for a variety of applications requiring precise and efficient data conversion.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12 bits |
| Number of Channels | 3 or 6 channels (software-configurable) |
| Interface Type | Parallel |
| Sampling Rate | 420 kS/s |
| Supply Voltage | Single +5V |
| Internal Reference | +2.5V |
| Linearity | ±0.5 LSB |
| Package Type | 28-pin QSOP |
Key Features
- Low power consumption: The device operates at a low power of 5.4mW at the maximum sampling rate, and it can be powered down between conversions to reduce supply current below 10µA at lower sampling rates.
- Software-configurable analog inputs: Supports unipolar/bipolar and single-ended/pseudo-differential operation, providing flexibility in various application scenarios.
- High-speed parallel interface: Enables fast data transfer and integration with other components.
- Internal +2.5V reference: Provides a stable reference voltage, enhancing the accuracy of the ADC.
- Fast wake-up time: The device can wake up from power-down mode in just 2µs, making it suitable for applications requiring quick response times.
Applications
The MAX1294AEEI+ is ideal for various applications that require high precision, low power consumption, and compact design. These include:
- Battery-powered devices: The low power consumption makes it suitable for battery-powered applications where energy efficiency is crucial.
- Data-acquisition systems: The device's high resolution and fast sampling rate make it a good fit for data-acquisition systems that require accurate and rapid data conversion.
- Space-constrained circuits: The small package size (28-pin QSOP) and low power consumption make it ideal for circuits with demanding space and power requirements.
Q & A
- What is the resolution of the MAX1294AEEI+ ADC?
The MAX1294AEEI+ has a 12-bit resolution.
- What is the sampling rate of the MAX1294AEEI+?
The sampling rate of the MAX1294AEEI+ is 420 kS/s.
- What type of interface does the MAX1294AEEI+ use?
The MAX1294AEEI+ uses a high-speed 12-bit parallel interface.
- How many channels does the MAX1294AEEI+ support?
The MAX1294AEEI+ supports 3 or 6 channels, which are software-configurable.
- What is the supply voltage for the MAX1294AEEI+?
The MAX1294AEEI+ operates on a single +5V supply.
- Does the MAX1294AEEI+ have an internal reference voltage?
Yes, the MAX1294AEEI+ includes an internal +2.5V reference voltage.
- What is the linearity of the MAX1294AEEI+?
The linearity of the MAX1294AEEI+ is ±0.5 LSB).
- What is the package type of the MAX1294AEEI+?
The MAX1294AEEI+ is offered in a 28-pin QSOP package).
- How does the MAX1294AEEI+ manage power consumption?
The device features two software-selectable power-down modes to reduce power consumption between conversions, with supply current below 10µA at lower sampling rates).
- What is the wake-up time from power-down mode for the MAX1294AEEI+?
The wake-up time from power-down mode is 2µs).
