Overview
The MAX1249AEEE is a 10-bit, low-power, 4-channel analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1248/MAX1249 family, which combines a 4-channel multiplexer, high-bandwidth track/hold, and a serial interface. 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 MAX1249AEEE is designed for high conversion speed and low power consumption, making it suitable for a variety of applications requiring precise and efficient data acquisition.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 10 bits |
| Input Channel Type | Differential, Single-Ended |
| Supply Voltage Range | +2.7V to +5.25V |
| Operating Temperature Range | -40°C to +85°C |
| Conversion Time | 6 µs (typical) |
| Full-Power Bandwidth | 1.0 MHz |
| Signal-to-Noise + Distortion Ratio (SINAD) | 64 dB |
| Total Harmonic Distortion (THD) | -70 dB |
| Integral Nonlinearity (INL) | ±0.5 LSB |
| Package Type | 16-QSOP |
Key Features
- 4-channel multiplexer with high-bandwidth track/hold circuitry.
- Supports both unipolar and bipolar, as well as single-ended and differential analog input configurations.
- 4-wire serial interface compatible with SPI™/QSPI™ and MICROWIRE™ devices.
- Internal or external serial-interface clock for successive-approximation analog-to-digital conversions.
- External reference required (MAX1249), with a reference-buffer amplifier having a ±1.5% voltage adjustment range.
- Hard-wired SHDN pin and software-selectable power-down modes.
- Low power consumption with operating temperatures ranging from -40°C to +85°C.
Applications
The MAX1249AEEE is versatile and can be used in various applications, including:
- Data acquisition systems in industrial, medical, and automotive environments.
- Embedded systems requiring low power and high conversion speed.
- Measurement and control systems where precision and reliability are crucial.
- Portable devices and battery-powered equipment due to its low power consumption.
Q & A
- What is the resolution of the MAX1249AEEE ADC?
The MAX1249AEEE has a resolution of 10 bits. - What is the operating supply voltage range of the MAX1249AEEE?
The operating supply voltage range is from +2.7V to +5.25V. - What types of analog input configurations are supported by the MAX1249AEEE?
The device supports both unipolar and bipolar, as well as single-ended and differential analog input configurations. - What is the typical conversion time of the MAX1249AEEE?
The typical conversion time is 6 µs. - Is the MAX1249AEEE compatible with SPI™/QSPI™ and MICROWIRE™ devices?
Yes, it has a 4-wire serial interface compatible with SPI™/QSPI™ and MICROWIRE™ devices. - Does the MAX1249AEEE require an internal or external reference?
The MAX1249AEEE requires an external reference. - What are the power-down modes available on the MAX1249AEEE?
The device has both hard-wired SHDN pin and software-selectable power-down modes. - What is the operating temperature range of the MAX1249AEEE?
The operating temperature range is from -40°C to +85°C. - What is the package type of the MAX1249AEEE?
The package type is 16-QSOP. - What are some typical applications of the MAX1249AEEE?
Typical applications include data acquisition systems, embedded systems, measurement and control systems, and portable devices.
