Overview
The MAX11120ATI+T is a high-performance, low-power analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This 8-bit successive approximation register (SAR) ADC is designed for applications requiring high-speed data conversion, low power consumption, and compact design. The device operates at sampling rates up to 1 million samples per second and features a flexible input configuration, supporting single-ended, differential, and pseudo-differential inputs. Its small package size and wide operating temperature range make it suitable for a variety of applications, including industrial process control, medical equipment, and portable battery-powered systems.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 8 |
| Sampling Rate (Per Second) | 1M |
| Input Type | Differential, Pseudo-Differential, Single Ended |
| Data Interface | SPI |
| Architecture | SAR |
| Reference Type | External |
| Supply Voltage (Analog/Digital) | 2.35V ~ 3.6V |
| Operating Temperature | -40°C ~ 125°C |
| Package / Case | 28-WFQFN Exposed Pad |
| Mounting Type | Surface Mount |
| Number of Inputs | 2, 4 |
Key Features
- 8-bit analog-to-digital converter with configurable input types (differential, pseudo-differential, single-ended)
- Sampling rate up to 1 million samples per second
- SPI interface for easy communication with microcontrollers and DSPs
- MUX-S/H-ADC architecture for high-speed conversion
- Internal and external clock modes with internal averaging and SampleSet™ technology for flexible channel sequencing
- Integrated FIFO for high-speed data sampling and readout
- AutoShutdown™, fast wake-up, and full power-down mode for optimal power management
- High accuracy with ±1 LSB INL, ±1 LSB DNL, and no missing codes over the temperature range
- 70dB SINAD guaranteed at 250kHz input frequency
- Wide range I/O supply (1.5V to 3.6V) compatible with 1.8V, 2.5V, or 3.3V digital systems
- Low power consumption (5.4mW at 1Msps with 3V supplies) and low full-shutdown current (2μA)
- Compact 28-pin, 5mm x 5mm TQFN package
Applications
- High-speed data acquisition systems
- High-speed closed-loop systems
- Industrial process control systems
- Medical instrumentation
- Battery-powered instruments
- Portable systems
- Multichannel sensor interfaces
- Automotive systems development
- Aerospace industry applications
Q & A
- What is the resolution of the MAX11120ATI+T ADC?
The MAX11120ATI+T is an 8-bit analog-to-digital converter.
- What are the supported input configurations for the MAX11120ATI+T?
The device supports single-ended, differential, and pseudo-differential input configurations.
- What is the maximum sampling rate of the MAX11120ATI+T?
The maximum sampling rate is 1 million samples per second.
- What interface does the MAX11120ATI+T use for communication?
The device uses a 16MHz, 3-wire SPI interface compatible with SPI, QSPI™, and MICROWIRE® devices.
- What is the power consumption of the MAX11120ATI+T at 1Msps?
The power consumption is 5.4mW at 1Msps with 3V supplies.
- What is the operating temperature range of the MAX11120ATI+T?
The operating temperature range is -40°C to +125°C.
- What package type is the MAX11120ATI+T available in?
The device is available in a 28-pin, 5mm x 5mm TQFN package.
- Does the MAX11120ATI+T support internal and external clock modes?
Yes, it supports both internal and external clock modes with features like internal averaging and SampleSet™ technology.
- What is the full-shutdown current of the MAX11120ATI+T?
The full-shutdown current is 2μA.
- Is the MAX11120ATI+T suitable for portable battery-powered applications?
Yes, it is designed for low power consumption and is ideal for portable battery-powered data-acquisition applications.
