Overview
The MAX11143ATI+ is a high-performance, low-power analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX11135–MAX11143 series, which features 12-/10-/8-bit successive-approximation register (SAR) ADCs. It is designed for applications requiring low power consumption, high speed, and excellent dynamic performance.
The MAX11143ATI+ operates with an external reference and supports both internal and external clock modes. It includes advanced features such as AutoShutdown, fast wake-up, and a high-speed 3-wire serial interface compatible with SPI and QSPI protocols. The device is suitable for a variety of applications, including portable battery-powered data-acquisition systems and other low-power, space-constrained designs.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 8-bit |
| Number of Channels | 8, 15, 16 |
| Conversion Rate | 500ksps |
| Supply Voltage Range | 2.35V to 3.6V |
| Power Consumption | 4.2mW at 500ksps |
| Serial Interface | High-speed 3-wire serial interface (SPI, QSPI compatible) |
| Clock Mode | Internal and external clock modes |
| Input Configuration | Single-ended, fully differential, pseudo-differential inputs |
| Package Type | 28-TQFN (5x5) |
| Aperture Delay | 8 ns |
| Aperture Jitter RMS | 30 ps |
Key Features
- High-Speed Conversion: The MAX11143ATI+ supports a conversion rate of 500ksps, making it suitable for high-speed data acquisition applications.
- Low Power Consumption: The device consumes only 4.2mW at 500ksps, ideal for battery-powered and low-power applications.
- Flexible Input Configuration: The ADC can be configured for single-ended, fully differential, or pseudo-differential inputs, offering flexibility in various application scenarios.
- AutoShutdown and Fast Wake-Up: Features AutoShutdown and fast wake-up modes to optimize power management.
- High-Speed Serial Interface: Supports a high-speed 3-wire serial interface compatible with SPI and QSPI protocols.
- Internal and External Clock Modes: Includes both internal and external clock modes with integrated FIFO and internal averaging for improved SNR.
Applications
The MAX11143ATI+ is well-suited for a variety of applications that require low power consumption and high performance. These include:
- Portable Battery-Powered Data-Acquisition Systems: Ideal for applications where power efficiency and compact design are crucial.
- Medical Devices: Suitable for medical devices that require high accuracy and low power consumption.
- Industrial Automation: Can be used in industrial automation systems where high-speed data acquisition is necessary.
- Consumer Electronics: Applicable in consumer electronics that demand low power and compact designs.
Q & A
- What is the resolution of the MAX11143ATI+ ADC?
The MAX11143ATI+ has an 8-bit resolution.
- What is the conversion rate of the MAX11143ATI+?
The conversion rate is 500ksps.
- What is the supply voltage range for the MAX11143ATI+?
The supply voltage range is from 2.35V to 3.6V.
- How much power does the MAX11143ATI+ consume at 500ksps?
The device consumes 4.2mW at 500ksps.
- What types of input configurations are supported by the MAX11143ATI+?
The device supports single-ended, fully differential, and pseudo-differential input configurations.
- Does the MAX11143ATI+ support both internal and external clock modes?
- What is the package type of the MAX11143ATI+?
The package type is 28-TQFN (5x5).
- What is the aperture delay of the MAX11143ATI+?
The aperture delay is 8 ns.
- What are some typical applications for the MAX11143ATI+?
- Does the MAX11143ATI+ have AutoShutdown and fast wake-up features?
