Overview
The MAX1247ACPE+ 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 designed for high conversion speed and low power consumption, making it suitable for battery-powered and power-sensitive systems.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12 bits |
| Number of Channels | 4 (single-ended or 2 differential) |
| Supply Voltage | +2.7V to +5.25V |
| Differential Nonlinearity (DNL) | ±1 LSB |
| Integral Nonlinearity (INL) | ±0.5 LSB |
| Conversion Speed | High conversion speed, with quick turn-on time |
| Package Type | 16-pin DIP, QSOP |
| Reference | External reference required |
| Power Consumption | Low power, < 60µA at reduced sampling rates |
Key Features
- Software-configurable analog inputs for unipolar/bipolar and single-ended/differential operation
- High-bandwidth track/hold and serial interface
- Reference-buffer amplifier with ±1.5% voltage-adjustment range
- Hard-wired SHDN-bar pin and software-selectable power-down
- Automatic shutdown at the end of a conversion
- Quick turn-on time and low power consumption in power-down mode
Applications
The MAX1247ACPE+ is suitable for a variety of applications, including data acquisition systems, medical devices, industrial control systems, and battery-powered devices. Its low power consumption and high conversion speed make it ideal for systems where power efficiency and accuracy are critical.
Q & A
- What is the resolution of the MAX1247ACPE+ ADC?
The MAX1247ACPE+ has a resolution of 12 bits. - How many channels does the MAX1247ACPE+ support?
The MAX1247ACPE+ supports 4 channels, which can be configured as single-ended or 2 differential channels. - What is the supply voltage range for the MAX1247ACPE+?
The supply voltage range for the MAX1247ACPE+ is +2.7V to +5.25V. - Does the MAX1247ACPE+ have an internal reference?
No, the MAX1247ACPE+ requires an external reference. - What is the typical power consumption of the MAX1247ACPE+?
The MAX1247ACPE+ has low power consumption, with supply current under 60µA at reduced sampling rates. - What package types are available for the MAX1247ACPE+?
The MAX1247ACPE+ is available in 16-pin DIP and QSOP packages. - Can the MAX1247ACPE+ be configured for different input types?
Yes, the MAX1247ACPE+ can be software-configured for unipolar/bipolar and single-ended/differential operation. - How does the MAX1247ACPE+ manage power-down?
The MAX1247ACPE+ has a hard-wired SHDN-bar pin and software-selectable power-down, allowing it to automatically shut down at the end of a conversion. - What is the significance of the quick turn-on time in the MAX1247ACPE+?
The quick turn-on time allows the MAX1247ACPE+ to be shut down between conversions, reducing power consumption. - Is there an evaluation kit available for the MAX1247ACPE+?
Yes, an evaluation kit (EV kit) is available for the MAX1247, which includes a MAX1247 EV kit and a Maxim 3V microcontroller module.
