Overview
The MAX145BEUA is a low-power, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is available in an 8-pin µMAX or MSOP package and operates with a single supply voltage ranging from +2.7V to +5.25V. It features a successive-approximation ADC with a maximum sampling rate of 108ksps, automatic power-down, and fast wake-up capabilities. The MAX145BEUA is designed for pseudo-differential input operation, making it suitable for a variety of applications requiring high dynamic performance and low power consumption.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Sampling Rate | Up to 108ksps |
| Supply Voltage | +2.7V to +5.25V |
| Power Consumption | 3.2mW (VDD = +3.6V) |
| Input Type | Pseudo-differential |
| Interface | 3-wire serial (SPI, QSPI, MICROWIRE compatible) |
| Package | 8-pin µMAX or MSOP |
| Wake-Up Time | 2.5µs |
| Automatic Power-Down Current | 0.2µA |
Key Features
- Low power consumption with automatic power-down and fast wake-up capabilities.
- Pseudo-differential input structure for improved noise rejection and signal integrity.
- High-speed, 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE protocols.
- On-chip clock and track/hold circuitry for efficient conversion processes.
- Excellent dynamic performance with a successive-approximation ADC architecture.
Applications
The MAX145BEUA is suitable for various applications requiring low power and high precision analog-to-digital conversion. These include:
- Portable and battery-powered devices where power efficiency is crucial.
- Industrial control systems and automation.
- Medical devices and diagnostic equipment.
- Aerospace and defense systems.
- Automotive systems and sensors.
Q & A
- What is the resolution of the MAX145BEUA ADC?
The MAX145BEUA has a resolution of 12 bits. - What is the maximum sampling rate of the MAX145BEUA?
The maximum sampling rate is up to 108ksps. - What is the supply voltage range for the MAX145BEUA?
The supply voltage range is from +2.7V to +5.25V. - What type of input does the MAX145BEUA support?
The MAX145BEUA supports pseudo-differential inputs. - What is the power consumption of the MAX145BEUA at maximum sampling rate?
The power consumption is 3.2mW at VDD = +3.6V. - What is the wake-up time for the MAX145BEUA?
The wake-up time is 2.5µs. - Is the MAX145BEUA compatible with any specific serial interfaces?
Yes, it is compatible with SPI, QSPI, and MICROWIRE protocols. - What is the package type for the MAX145BEUA?
The package types are 8-pin µMAX or MSOP. - How does the MAX145BEUA manage power consumption during idle periods?
The MAX145BEUA features automatic power-down with a current of 0.2µA. - What are some common applications for the MAX145BEUA?
Common applications include portable devices, industrial control systems, medical devices, aerospace and defense systems, and automotive systems.
