Overview
The MAX1249ACEE is a 10-bit data-acquisition system produced by Analog Devices Inc./Maxim Integrated. This device combines a 4-channel multiplexer, high-bandwidth track/hold, and a serial interface, making it suitable for various data acquisition applications. It operates from a single supply voltage ranging from +2.7V to +5.25V and supports both unipolar and bipolar, as well as single-ended and differential analog input configurations. The MAX1249ACEE is known for its low power consumption and high conversion speed, making it an efficient choice for many electronic systems.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 10 bits |
| Number of Channels | 4 |
| Supply Voltage Range | +2.7V to +5.25V |
| Conversion Time | 6 µs (typical) |
| Full-Power Bandwidth | 1.0 MHz |
| Small-Signal Bandwidth | 2.25 MHz |
| Channel-to-Channel Crosstalk | -75 dB |
| SFDR (Spurious-Free Dynamic Range) | -70 dB |
| THD (Total Harmonic Distortion) | -66 dB |
| SINAD (Signal-to-Noise + Distortion Ratio) | 66 dB |
| Operating Temperature Range | -40°C to +85°C (MAX1249_E_E) |
| Package Type | QSOP-16 |
Key Features
- 4-channel multiplexer with high-bandwidth track/hold circuitry.
- Serial interface compatible with SPI™/QSPI™ and MICROWIRE™ devices.
- Software-configurable analog inputs for unipolar/bipolar and single-ended/differential operation.
- Internal clock or external serial-interface clock for successive-approximation analog-to-digital conversions.
- External reference required (MAX1249), with a reference-buffer amplifier and ±1.5% voltage adjustment range.
- Hard-wired SHDN pin and software-selectable power-down mode.
- Low power consumption and high conversion speed.
Applications
The MAX1249ACEE is suitable for a variety of applications, including:
- Data acquisition systems in industrial automation.
- Medical devices requiring precise analog-to-digital conversion.
- Aerospace and defense systems where low power and high accuracy are critical.
- Automotive systems for sensor data acquisition.
- Embedded systems and IoT devices needing efficient analog-to-digital conversion.
Q & A
- What is the resolution of the MAX1249ACEE?
The MAX1249ACEE has a resolution of 10 bits. - How many analog input channels does the MAX1249ACEE have?
The MAX1249ACEE has 4 analog input channels. - What is the supply voltage range for the MAX1249ACEE?
The supply voltage range is from +2.7V to +5.25V. - What is the typical conversion time of the MAX1249ACEE?
The typical conversion time is 6 µs. - Is the MAX1249ACEE compatible with SPI™/QSPI™ and MICROWIRE™ devices?
Yes, the MAX1249ACEE is compatible with SPI™/QSPI™ and MICROWIRE™ devices. - Does the MAX1249ACEE require an external reference voltage?
Yes, the MAX1249ACEE requires an external reference voltage. - What is the operating temperature range for the MAX1249_E_E version?
The operating temperature range for the MAX1249_E_E version is -40°C to +85°C. - What package type is the MAX1249ACEE available in?
The MAX1249ACEE is available in a QSOP-16 package. - Does the MAX1249ACEE support power-down modes?
Yes, the MAX1249ACEE supports both hard-wired and software-selectable power-down modes. - What are some common applications of the MAX1249ACEE?
The MAX1249ACEE is commonly used in data acquisition systems, medical devices, aerospace and defense systems, automotive systems, and embedded systems/IoT devices.
