Overview
The MAX11122ATI+T, produced by Analog Devices Inc./Maxim Integrated, is a high-performance, low-power analog-to-digital converter (ADC) designed for a variety of applications requiring high speed, accuracy, and flexibility. This 12-bit successive approximation register (SAR) ADC features external reference, industry-leading 1.5MHz full linear bandwidth, and a serial output interface. It is particularly suited for portable battery-powered data-acquisition systems, high-speed closed-loop systems, and other applications demanding low power consumption and small space.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-bit, 10-bit, 8-bit |
| Sampling Rate | 1 MS/s |
| Input Type | Pseudo-Differential, Single-Ended, Fully-Differential |
| Supply Voltage | 2.35V to 3.6V |
| Power Consumption | 5.4mW at 1Msps with 3V supplies |
| Package | 28-pin, 5mm x 5mm TQFN |
| Operating Temperature | -40°C to +125°C |
| Serial Interface | 16MHz, 3-wire SPI-/QSPI-/MICROWIRE-/DSP-compatible |
Key Features
- Scan modes in both internal and external clock modes
- Internal averaging to increase SNR in internal clock mode
- SampleSet™ technology for user-programmable analog input channel sequencer in external clock mode
- Integrated FIFO for high-speed data sampling and holding
- Analog multiplexer with true differential track/hold and flexible input configuration
- High accuracy: ±1 LSB INL, ±1 LSB DNL, no missing codes over temperature range
- 70dB SINAD guaranteed at 250kHz input frequency
- AutoShutdown™, fast wake-up, and full power-down mode for optimal power management
Applications
- High-speed data acquisition systems
- High-speed closed-loop systems
- Industrial control systems
- Medical instrumentation
- Battery-powered instruments
- Portable systems
Q & A
- What is the resolution of the MAX11122ATI+T ADC?
The MAX11122ATI+T ADC is available in 12-bit, 10-bit, and 8-bit resolutions. - What is the sampling rate of the MAX11122ATI+T?
The sampling rate is 1 MS/s. - What types of input configurations are supported by the MAX11122ATI+T?
The device supports pseudo-differential, single-ended, and fully-differential input configurations. - What is the supply voltage range for the MAX11122ATI+T?
The supply voltage range is 2.35V to 3.6V. - How much power does the MAX11122ATI+T consume at 1Msps with 3V supplies?
The power consumption is 5.4mW at 1Msps with 3V supplies. - What is the package type and size of the MAX11122ATI+T?
The device is packaged in a 28-pin, 5mm x 5mm TQFN package. - What is the operating temperature range of the MAX11122ATI+T?
The operating temperature range is -40°C to +125°C. - What type of serial interface does the MAX11122ATI+T support?
The device supports a 16MHz, 3-wire SPI-/QSPI-/MICROWIRE-/DSP-compatible serial interface. - Does the MAX11122ATI+T have any power management features?
Yes, it features AutoShutdown™, fast wake-up, and full power-down mode for optimal power management. - What are some typical applications for the MAX11122ATI+T?
Typical applications include high-speed data acquisition systems, high-speed closed-loop systems, industrial control systems, medical instrumentation, battery-powered instruments, and portable systems.
