Overview
The MAX11128ATI+G3U is a high-performance, low-power analog-to-digital converter (ADC) produced by Maxim Integrated, now part of Analog Devices Inc. This device is part of the MAX11120–MAX11128 family, which features 12-, 10-, and 8-bit resolutions with external reference. It is designed for high-speed, low-power applications, making it ideal for various data acquisition and control systems.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Resolution | 12-, 10-, 8-bit | 12, 10, 8 bits |
| Conversion Rate | Maximum sampling rate | 1 Msps |
| Supply Voltage | Operating voltage range | 2.35V to 3.6V |
| Power Consumption | Power at 1 Msps with 3V supply | 5.4 mW |
| Input Configuration | Analog input types | Single-ended, fully differential, pseudo-differential |
| Serial Interface | Interface type and speed | 16 MHz, 3-wire SPI/QSPI/MICROWIRE compatible |
| Operating Temperature | Temperature range | -40°C to +125°C |
| Package | Package type and size | 28-pin, 5mm x 5mm TQFN |
| Accuracy | Integral Nonlinearity (INL) and Differential Nonlinearity (DNL) | ±1 LSB INL, ±1 LSB DNL, no missing codes |
Key Features
- SampleSet™ Technology: User-programmable analog input channel sequencer for greater sequencing flexibility and reduced microcontroller or DSP communication overhead.
- Internal Averaging: Improves Signal-to-Noise Ratio (SNR) for noisy input signals in internal clock mode.
- AutoShutdown™ and Fast Wake-Up: Optimizes power management with full power-down mode and fast wake-up capabilities.
- High-Speed Serial Interface: 16 MHz, 3-wire SPI/QSPI/MICROWIRE compatible interface.
- Flexible Input Configuration: Supports single-ended, fully differential, and pseudo-differential inputs.
- Low Power Consumption: Consumes only 5.4 mW at 1 Msps with a 3V supply.
- Integrated FIFO: Allows data to be sampled at high speeds and held for readout at any time or at a lower clock rate.
Applications
- High-Speed Data Acquisition Systems: Ideal for applications requiring rapid data conversion.
- High-Speed Closed-Loop Systems: Suitable for control systems that need fast feedback loops.
- Industrial Control Systems: Used in various industrial automation and control applications.
- Medical Instrumentation: Applicable in medical devices that require precise and fast data conversion.
- Battery-Powered Instruments: Optimized for low power consumption, making it suitable for portable and battery-powered devices.
- Portable Systems: Ideal for applications where space and power efficiency are critical.
Q & A
- What is the maximum sampling rate of the MAX11128ATI+G3U?
The maximum sampling rate is 1 Msps (1 million samples per second).
- What are the supported input configurations for the MAX11128ATI+G3U?
The device supports single-ended, fully differential, and pseudo-differential input configurations.
- What is the power consumption of the MAX11128ATI+G3U at 1 Msps with a 3V supply?
The power consumption is 5.4 mW at 1 Msps with a 3V supply.
- What is the operating temperature range of the MAX11128ATI+G3U?
The operating temperature range is -40°C to +125°C.
- What type of serial interface does the MAX11128ATI+G3U use?
The device uses a 16 MHz, 3-wire SPI/QSPI/MICROWIRE compatible serial interface.
- Does the MAX11128ATI+G3U support internal averaging?
Yes, it supports internal averaging to improve SNR for noisy input signals in internal clock mode.
- What is the purpose of the SampleSet™ technology in the MAX11128ATI+G3U?
The SampleSet™ technology is a user-programmable analog input channel sequencer that provides greater sequencing flexibility and reduces microcontroller or DSP communication overhead.
- What is the package type and size of the MAX11128ATI+G3U?
The device is packaged in a 28-pin, 5mm x 5mm TQFN package.
- Is the MAX11128ATI+G3U suitable for battery-powered instruments?
Yes, it is optimized for low power consumption, making it suitable for battery-powered and portable devices.
- What are some typical applications of the MAX11128ATI+G3U?
Typical applications include high-speed data acquisition systems, high-speed closed-loop systems, industrial control systems, medical instrumentation, and portable systems.
