Overview
The MAX11141ATI+T is a high-performance analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX11135–MAX11143 series, known for their high speed, low power consumption, and advanced features. The MAX11141ATI+T is a 12-/10-/8-bit successive-approximation register (SAR) ADC, designed to provide accurate and efficient conversion of analog signals to digital data. It is particularly suited for applications requiring low power consumption and high-speed data acquisition.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-/10-/8-bit |
| Number of Channels | 16-/8-/4-channel single-ended, 8-/4-/2-channel fully differential pairs, 15-/8-/4-channel pseudo-differential |
| Sampling Rate | Up to 500ksps |
| Supply Voltage | 2.35V to 3.6V |
| Power Consumption | 4.2mW at 500ksps with 3V supplies |
| Operating Temperature | -40°C to +125°C |
| Package | 28-pin TQFN (5x5mm) with exposed pad |
| Interface | 8MHz, 3-wire SPI, QSPI, MICROWIRE, and DSP-compatible serial interface |
| Input Type | Single-ended, fully differential pairs, pseudo-differential |
| Architecture | SAR (Successive-Approximation Register) |
Key Features
- SampleSet Technology: User-defined channel sequence with a maximum length of 256, providing greater sequencing flexibility and reducing microcontroller or DSP communication overhead.
- Internal Averaging and FIFO: Internal averaging to increase signal-to-noise ratio (SNR) and an integrated 16-entry FIFO for high-speed sampling and flexible readout.
- Flexible Input Configuration: Analog input channels can be configured as single-ended, fully differential pairs, or pseudo-differential inputs relative to a common input.
- High Accuracy: ±1 LSB integral nonlinearity (INL), ±1 LSB differential nonlinearity (DNL), and no missing codes over the temperature range.
- Low Power Consumption: 4.2mW at 500ksps with 3V supplies and 2µA full-shutdown current.
- Wide Operating Temperature Range: -40°C to +125°C.
- High-Speed Serial Interface: 8MHz, 3-wire SPI, QSPI, MICROWIRE, and DSP-compatible serial interface.
Applications
- Battery-Powered Instruments: Ideal for portable battery-powered data-acquisition applications due to low power consumption.
- High-Speed Closed-Loop Systems: Suitable for applications requiring fast and accurate feedback loops.
- High-Speed Data Acquisition Systems: Used in systems that need rapid conversion of analog signals to digital data.
- Industrial Control Systems: Applied in process monitoring and control devices.
- Medical Instrumentation: Utilized in medical devices such as patient monitors and diagnostic equipment.
- Portable Systems: Suitable for handheld analyzers, testers, and other portable devices.
Q & A
- What is the resolution of the MAX11141ATI+T ADC?
The MAX11141ATI+T ADC has a resolution of 12-/10-/8-bit. - What is the sampling rate of the MAX11141ATI+T?
The sampling rate of the MAX11141ATI+T is up to 500ksps. - What are the supply voltage requirements for the MAX11141ATI+T?
The supply voltage for the MAX11141ATI+T ranges from 2.35V to 3.6V. - What types of input configurations are supported by the MAX11141ATI+T?
The MAX11141ATI+T supports single-ended, fully differential pairs, and pseudo-differential input configurations. - What is the operating temperature range of the MAX11141ATI+T?
The operating temperature range is -40°C to +125°C. - What is the power consumption of the MAX11141ATI+T at 500ksps?
The power consumption is 4.2mW at 500ksps with 3V supplies. - What is the SampleSet technology in the MAX11141ATI+T?
The SampleSet technology allows for user-defined channel sequencing with a maximum length of 256, enhancing flexibility and reducing communication overhead. - What is the package type of the MAX11141ATI+T?
The MAX11141ATI+T comes in a 28-pin TQFN package with an exposed pad. - What serial interfaces are supported by the MAX11141ATI+T?
The device supports 8MHz, 3-wire SPI, QSPI, MICROWIRE, and DSP-compatible serial interfaces. - What are some typical applications of the MAX11141ATI+T?
Typical applications include battery-powered instruments, high-speed closed-loop systems, high-speed data acquisition systems, industrial control systems, medical instrumentation, and portable systems.
