Overview
The MAX1248ACEE+ is a 10-bit data-acquisition system produced by Analog Devices Inc./Maxim Integrated. This component integrates a 4-channel multiplexer, a high-bandwidth track/hold circuit, and a serial interface, making it a versatile and efficient solution for various analog-to-digital conversion applications. It operates from a single supply voltage ranging from +2.7V to +5.25V, ensuring low power consumption and high conversion speed.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 10 bits |
| Number of Channels | 4 |
| Supply Voltage Range | +2.7V to +5.25V |
| Analog Input Configuration | Software configurable for unipolar/bipolar and single-ended/differential operation |
| Serial Interface | 4-wire serial interface compatible with SPI, QSPI, and MICROWIRE |
| Conversion Method | Successive approximation |
| Internal Reference (MAX1248) | 2.5V nominal output, externally adjustable |
| Reference Buffer Amplifier | ±1.5% voltage adjustment range |
| Package Type | 16-QSOP |
Key Features
- High conversion speed and low power consumption.
- Software-configurable analog inputs for unipolar/bipolar and single-ended/differential operation.
- 4-wire serial interface compatible with SPI, QSPI, and MICROWIRE devices without external logic.
- Serial strobe output for direct connection to TMS320-family digital signal processors.
- Internal clock or external serial-interface clock options for successive-approximation analog-to-digital conversions.
- Hard-wired SHDN pin and software-selectable power-down mode.
- Reference-buffer amplifier with ±1.5% voltage adjustment range.
Applications
- Data acquisition systems in industrial, medical, and automotive applications.
- Embedded systems requiring high-speed and low-power analog-to-digital conversion.
- Measurement and control systems where multiple analog inputs need to be processed efficiently.
- Portable and battery-powered devices due to low power consumption.
Q & A
- What is the resolution of the MAX1248ACEE+?
The MAX1248ACEE+ has a resolution of 10 bits.
- How many analog input channels does the MAX1248ACEE+ have?
The MAX1248ACEE+ has 4 analog input channels.
- What is the supply voltage range for the MAX1248ACEE+?
The supply voltage range is from +2.7V to +5.25V.
- Can the analog inputs be configured for different modes?
Yes, the analog inputs are software configurable for unipolar/bipolar and single-ended/differential operation.
- What type of serial interface does the MAX1248ACEE+ support?
The MAX1248ACEE+ supports a 4-wire serial interface compatible with SPI, QSPI, and MICROWIRE.
- Does the MAX1248ACEE+ have an internal reference voltage?
Yes, the MAX1248 has an internal 2.5V reference voltage, while the MAX1249 requires an external reference.
- How can the power consumption be managed in the MAX1248ACEE+?
The MAX1248ACEE+ has a hard-wired SHDN pin and a software-selectable power-down mode to manage power consumption.
- What is the purpose of the reference-buffer amplifier in the MAX1248ACEE+?
The reference-buffer amplifier provides a reference voltage for analog-to-digital conversion with a ±1.5% voltage adjustment range.
- In what package type is the MAX1248ACEE+ available?
The MAX1248ACEE+ is available in a 16-QSOP package.
- What are some common applications of the MAX1248ACEE+?
Common applications include data acquisition systems, embedded systems, measurement and control systems, and portable devices.
