Overview
The MAX1247BEPE 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 +2.7V to +5.25V supply and is designed for high conversion speed and low power consumption, making it suitable for a variety of data-acquisition applications.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 4 |
| Resolution | 12 bits |
| Supply Voltage | +2.7V to +5.25V |
| Interface Type | SPI |
| Sampling Rate | 133 kS/s |
| Input Type | Differential/Single-Ended |
| Analog Input Configuration | Unipolar/Bipolar, Single-Ended/Differential |
| Reference | External reference required |
| Power Consumption | Low power, < 60µA at reduced sampling rates |
| Package | 16-pin PDIP, QSOP |
Key Features
- High conversion speed and low power consumption.
- Software-configurable analog inputs for unipolar/bipolar and single-ended/differential operation.
- External reference required with a ±1.5% voltage-adjustment range.
- Hard-wired SHDN-bar pin and software-selectable power-down mode.
- Quick turn-on time and automatic shutdown at the end of a conversion to reduce power consumption.
- Available in 16-pin DIP and QSOP packages.
Applications
The MAX1247BEPE is suitable for various data-acquisition applications, including industrial control systems, medical devices, and automotive systems. Its low power consumption and high conversion speed make it ideal for battery-powered devices and systems requiring efficient data conversion.
Q & A
- What is the resolution of the MAX1247BEPE ADC?
The MAX1247BEPE has a resolution of 12 bits. - What is the operating supply voltage range for the MAX1247BEPE?
The MAX1247BEPE operates from a single +2.7V to +5.25V supply. - What type of interface does the MAX1247BEPE use?
The MAX1247BEPE uses an SPI (Serial Peripheral Interface) for communication. - What is the sampling rate of the MAX1247BEPE?
The sampling rate of the MAX1247BEPE is 133 kS/s. - Can the analog inputs of the MAX1247BEPE be configured?
Yes, the analog inputs can be software-configured for unipolar/bipolar and single-ended/differential operation. - Does the MAX1247BEPE have an internal reference?
No, the MAX1247BEPE requires an external reference. - How does the MAX1247BEPE manage power consumption?
The MAX1247BEPE has a hard-wired SHDN-bar pin and software-selectable power-down mode, allowing it to automatically shut down at the end of a conversion to reduce power consumption. - In what packages is the MAX1247BEPE available?
The MAX1247BEPE is available in 16-pin DIP and QSOP packages. - What are some typical applications for the MAX1247BEPE?
The MAX1247BEPE is used in industrial control systems, medical devices, and automotive systems, among others. - Is there an evaluation kit available for the MAX1247BEPE?
Yes, an evaluation kit (EV kit) is available for the MAX1247, which includes a MAX1247 EV kit and a Maxim 3V microcontroller module.
