Overview
The MAX11120ATI+ is a high-performance, low-power analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX11120–MAX11128 family, which includes 12-/10-/8-bit successive approximation register (SAR) ADCs with external reference. These converters are known for their industry-leading 1.5MHz full linear bandwidth, high speed, and low power consumption, making them ideal for various applications requiring precise and efficient data acquisition.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12-/10-/8-bit | |
| Conversion Rate | 1 Msps | |
| Supply Voltage | 2.35V to 3.6V | V |
| Power Consumption | 5.4 mW at 1 Msps | mW |
| Operating Temperature | -40°C to +125°C | °C |
| Package Type | 28-pin, 5mm x 5mm TQFN | |
| Serial Interface | 16 MHz, 3-wire SPI/QSPI/MICROWIRE compatible | |
| Analog Input Channels | Single-ended, fully differential, pseudo-differential | |
| Reference Voltage Range | 1 V to VDD | V |
Key Features
The MAX11120ATI+ features several key functionalities that make it highly versatile and efficient:
- Scan Modes and Internal Averaging: Supports both internal and external clock modes with internal averaging to improve signal-to-noise ratio (SNR) for noisy input signals.
- SampleSet Technology: A user-programmable analog input channel sequencer that provides greater sequencing flexibility and reduces microcontroller or DSP communication overhead.
- FIFO and High-Speed Sampling: An integrated FIFO allows data to be sampled at high speeds and held for readout at any time or at a lower clock rate.
- AutoShutdown and Fast Wake-Up: Features AutoShutdown and fast wake-up modes for optimal power management.
- High-Speed Serial Interface: A 16 MHz, 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE devices without external logic.
- Flexible Analog Input Configuration: Analog input channels can be configured as single-ended, fully differential, or pseudo-differential inputs.
Applications
The MAX11120ATI+ is suitable for a variety of applications due to its high performance, low power consumption, and compact package size:
- High-Speed Data Acquisition Systems: Ideal for systems requiring fast and accurate data conversion.
- High-Speed Closed-Loop Systems: Used in control systems that demand quick response times.
- Industrial Control Systems: Suitable for industrial automation and control applications.
- Medical Instrumentation: Used in medical devices that require precise and reliable data acquisition.
- Battery-Powered Instruments: Ideal for portable and battery-powered devices due to its low power consumption.
- Portable Systems: Suitable for any portable system requiring efficient and accurate data conversion.
Q & A
- What is the resolution of the MAX11120ATI+ ADC?
The MAX11120ATI+ is available in 12-, 10-, and 8-bit resolutions.
- What is the conversion rate of the MAX11120ATI+?
The conversion rate is 1 Msps (1 million samples per second).
- What is the supply voltage range for the MAX11120ATI+?
The supply voltage range is from 2.35V to 3.6V.
- How much power does the MAX11120ATI+ consume at 1 Msps?
The power consumption is 5.4 mW at 1 Msps.
- What is the operating temperature range of the MAX11120ATI+?
The operating temperature range is from -40°C to +125°C.
- What types of analog input channels can be configured on the MAX11120ATI+?
The analog input channels can be configured as single-ended, fully differential, or pseudo-differential inputs.
- What is the SampleSet technology in the MAX11120ATI+?
SampleSet is a user-programmable analog input channel sequencer that provides greater sequencing flexibility and reduces microcontroller or DSP communication overhead.
- Does the MAX11120ATI+ support internal averaging?
- What is the package type of the MAX11120ATI+?
The MAX11120ATI+ is available in a 28-pin, 5mm x 5mm TQFN package.
- Is the MAX11120ATI+ compatible with SPI, QSPI, and MICROWIRE interfaces?
