Overview
The MAX147AEAP+ is a 12-bit data-acquisition system produced by Analog Devices Inc./Maxim Integrated. This device combines an 8-channel multiplexer, high-bandwidth track/hold, and a serial interface, offering high conversion speed and low power consumption. The MAX147 operates from a single supply voltage ranging from +2.7V to +5.25V, making it versatile for various applications. The device supports software-configurable analog inputs for unipolar/bipolar and single-ended/differential operation, enhancing its flexibility in different measurement scenarios.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12 Bits | |
| Supply Voltage | +2.7V to +5.25V | V |
| Number of Channels | 8 (single-ended), 4 (differential) | |
| Operating Temperature | -40°C to +85°C | °C |
| Conversion Rate | Up to 133ksps | samples per second |
| Reference Voltage | External reference required (VREF = 2.500V typical) | V |
| Power Consumption | Low power, < 60µA in power-down mode | mA |
| Package Type | 20-pin DIP and SSOP |
Key Features
- 8-channel multiplexer with high-bandwidth track/hold
- Software-configurable analog inputs for unipolar/bipolar and single-ended/differential operation
- 4-wire serial interface compatible with SPI, QSPI, and MICROWIRE devices
- Serial strobe output for direct connection to TMS320-family digital signal processors
- Internal or external serial-interface clock for successive-approximation analog-to-digital conversions
- Low power consumption with automatic power-down at the end of a conversion
- Reference-buffer amplifier with ±1.5% voltage-adjustment range
Applications
The MAX147AEAP+ is suitable for a variety of applications requiring high-speed, low-power data acquisition. These include industrial control systems, medical devices, automotive systems, and any other environment where precise and efficient analog-to-digital conversion is necessary.
Q & A
- What is the resolution of the MAX147AEAP+?
The MAX147AEAP+ has a resolution of 12 bits. - What is the operating supply voltage range for the MAX147AEAP+?
The device operates from a single supply voltage ranging from +2.7V to +5.25V. - How many channels does the MAX147AEAP+ support?
The device supports 8 single-ended channels or 4 differential channels. - What is the operating temperature range for the MAX147AEAP+?
The operating temperature range is -40°C to +85°C. - What is the maximum conversion rate of the MAX147AEAP+?
The maximum conversion rate is up to 133ksps. - Does the MAX147AEAP+ have an internal reference voltage?
No, the MAX147AEAP+ requires an external reference voltage. - How does the MAX147AEAP+ manage power consumption?
The device has low power consumption and can automatically power down at the end of a conversion, reducing supply current to under 60µA. - What types of packages are available for the MAX147AEAP+?
The device is available in 20-pin DIP and SSOP packages. - Is the MAX147AEAP+ compatible with specific serial interfaces?
Yes, it is compatible with SPI, QSPI, and MICROWIRE devices. - Can the MAX147AEAP+ be used in industrial control systems?
Yes, it is suitable for industrial control systems and other applications requiring high-speed, low-power data acquisition.
