Overview
The MAX1247AEEE+ is a 12-bit, low-power, 4-channel analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1246/MAX1247 family, which combines a 4-channel multiplexer, high-bandwidth track/hold, and a serial interface. The MAX1247 operates from a single supply voltage ranging from +2.7V to +5.25V, making it versatile for various applications. It is particularly noted for its high conversion speed and low power consumption, making it suitable for power-sensitive designs.
Key Specifications
| Specification | Value |
|---|---|
| Number of Converters | 1 |
| Number of Channels | 4 |
| Resolution | 12 bits |
| Operating Supply Voltage | +2.7V to +5.25V |
| Integral Nonlinearity (INL) | ± 0.5 LSB |
| Package Type | 16-pin QSOP |
| Reference Type | External reference required |
| Reference Buffer Amplifier Adjustment Range | ± 1.5% voltage-adjustment range |
Key Features
- Low power consumption with a quiescent current of under 60µA at reduced sampling rates.
- High conversion speed and quick turn-on time.
- Software-configurable analog inputs for unipolar/bipolar and single-ended/differential operation.
- Hard-wired SHDN-bar pin and software-selectable power-down mode.
- Automatic shutdown at the end of a conversion to minimize power consumption.
- Reference-buffer amplifier with a ± 1.5% voltage-adjustment range.
Applications
The MAX1247AEEE+ is suitable for a variety of applications that require high precision and low power consumption. These include:
- Data acquisition systems.
- Industrial control systems.
- Medical devices.
- Aerospace and defense systems.
- Automotive systems.
Q & A
- What is the operating supply voltage range of the MAX1247AEEE+?
The MAX1247AEEE+ operates from a single supply voltage ranging from +2.7V to +5.25V. - How many channels does the MAX1247AEEE+ have?
The MAX1247AEEE+ has 4 channels. - What is the resolution of the MAX1247AEEE+?
The resolution of the MAX1247AEEE+ is 12 bits. - Does the MAX1247AEEE+ have an internal reference?
No, the MAX1247AEEE+ requires an external reference. - What is the typical quiescent current of the MAX1247AEEE+ at reduced sampling rates?
The typical quiescent current is under 60µA at reduced sampling rates. - Can the analog inputs of the MAX1247AEEE+ be configured?
Yes, the analog inputs are software-configurable for unipolar/bipolar and single-ended/differential operation. - What is the package type of the MAX1247AEEE+?
The package type is a 16-pin QSOP. - Does the MAX1247AEEE+ support power-down modes?
Yes, it supports both hard-wired SHDN-bar pin and software-selectable power-down modes. - What is the adjustment range of the reference buffer amplifier?
The reference buffer amplifier has a ± 1.5% voltage-adjustment range. - Is there an evaluation kit available for the MAX1247AEEE+?
Yes, there is an evaluation kit (EV kit) available that demonstrates the features of the MAX1247AEEE+.
