Overview
The MAX1249BEEE+T, produced by Analog Devices Inc./Maxim Integrated, is a 10-bit data-acquisition system that integrates a 4-channel multiplexer, high-bandwidth track/hold, and a serial interface. This device operates from a single +2.7V to +5.25V supply and is designed for low power consumption and high conversion speed. It supports software-configurable analog inputs for unipolar/bipolar and single-ended/differential operation, making it versatile for various applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 10 bits |
| Number of Channels | 4 |
| Supply Voltage | +2.7V to +5.25V |
| Conversion Mode | Unipolar/Bipolar, Single-Ended/Differential |
| Serial Interface | 4-wire SPI/QSPI/MICROWIRE compatible |
| Reference Voltage | External reference required (MAX1249) |
| Reference Buffer Amplifier | ±1.5% voltage adjustment range |
| Power-Down Modes | Full power-down, Fast power-down (MAX1248 only), Internal clock mode, External clock mode |
| Package Type | 16-pin QSOP |
| Supply Current (Reduced Sampling Rates) | Under 60µA |
Key Features
- High-bandwidth track/hold circuitry for accurate conversions
- Software-configurable analog inputs for unipolar/bipolar and single-ended/differential operation
- 4-wire serial interface compatible with SPI/QSPI/MICROWIRE devices without external logic
- Serial strobe output for direct connection to TMS320-family digital signal processors
- Internal or external serial-interface clock options for successive-approximation analog-to-digital conversions
- Hard-wired active-low SHDN pin and software-selectable power-down modes
- Quick turn-on time and low power consumption, with supply current under 60µA at reduced sampling rates
Applications
The MAX1249BEEE+T is suitable for a variety of applications requiring low-power, high-speed data acquisition. These include:
- Industrial automation and control systems
- Medical devices and diagnostic equipment
- Aerospace and defense systems
- Automotive systems and sensors
- Embedded systems and IoT devices
Q & A
- What is the resolution of the MAX1249BEEE+T?
The MAX1249BEEE+T has a resolution of 10 bits. - How many channels does the MAX1249BEEE+T support?
The MAX1249BEEE+T supports 4 channels. - What is the operating voltage range of the MAX1249BEEE+T?
The operating voltage range is +2.7V to +5.25V. - Can the MAX1249BEEE+T operate in both unipolar and bipolar modes?
Yes, the MAX1249BEEE+T can operate in both unipolar and bipolar modes, as well as single-ended and differential modes. - What type of serial interface does the MAX1249BEEE+T use?
The MAX1249BEEE+T uses a 4-wire serial interface compatible with SPI/QSPI/MICROWIRE devices. - Does the MAX1249BEEE+T require an external reference voltage?
Yes, the MAX1249BEEE+T requires an external reference voltage. - What are the power-down modes available on the MAX1249BEEE+T?
The MAX1249BEEE+T has full power-down, fast power-down (MAX1248 only), internal clock mode, and external clock mode. - What is the package type of the MAX1249BEEE+T?
The MAX1249BEEE+T is available in a 16-pin QSOP package. - How much supply current does the MAX1249BEEE+T consume at reduced sampling rates?
The supply current is under 60µA at reduced sampling rates. - Can the MAX1249BEEE+T be used in industrial automation systems?
Yes, the MAX1249BEEE+T is suitable for use in industrial automation and control systems.
