Overview
The MAX11141ATI+ is a high-performance, low-power analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX11135–MAX11143 series, which are 12-/10-/8-bit successive-approximation register (SAR) ADCs known for their high speed, low power consumption, and industry-leading full linear bandwidth of 1.5MHz. The MAX11141ATI+ is designed for a wide range of applications requiring high accuracy and low power, making it ideal for battery-powered instruments, high-speed data acquisition systems, and industrial control systems.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12-/10-/8-bit | |
| Number of Channels | 4-/8-/16-channel | |
| Sampling Rate | 500ksps | |
| Supply Voltage | 2.35V to 3.6V | V |
| Input Configuration | Single-ended, fully differential, pseudo-differential | |
| Integral Nonlinearity (INL) | ±1 LSB | |
| Differential Nonlinearity (DNL) | No missing codes, ±1 LSB | |
| Signal-to-Noise and Distortion Ratio (SINAD) | 70dB at 250kHz input frequency | dB |
| Operating Temperature Range | -40°C to +125°C | °C |
| Package Type | 28-pin TQFN | |
| Power Consumption | 4.2mW at 500ksps with 3V supplies | mW |
| Full-Shutdown Current | 2µA | A |
Key Features
- Internal and external clock modes with scan mode in both modes
- Internal averaging to increase SNR in internal clock mode
- SampleSet™ technology for user-programmable analog input channel sequencing in external clock mode
- 16-entry First-In-First-Out (FIFO) for high-speed data sampling and readout
- Analog multiplexer with true differential track/hold
- Flexible input configuration: single-ended, fully differential, and pseudo-differential inputs
- High accuracy: ±1 LSB INL, ±1 LSB DNL, no missing codes over temperature range
- Low power consumption: 4.2mW at 500ksps with 3V supplies
- AutoShutdown™, fast wake-up, and full power-down mode for optimal power management
- 8MHz, 3-wire serial interface compatible with SPI, QSPI™, and MICROWIRE® devices
- Wide -40°C to +125°C operation temperature range
- Space-saving 28-pin, 5mm x 5mm TQFN package
Applications
- Battery-powered instruments
- High-speed closed-loop systems
- High-speed data acquisition systems
- Industrial control systems
- Medical instrumentation
- Portable systems
Q & A
- What is the resolution of the MAX11141ATI+ ADC?
The MAX11141ATI+ is available in 12-, 10-, and 8-bit resolutions.
- What are the supply voltage ranges for the MAX11141ATI+?
The device operates from a 2.35V to 3.6V supply voltage.
- What is the sampling rate of the MAX11141ATI+?
The MAX11141ATI+ has a sampling rate of up to 500ksps.
- What types of input configurations are supported by the MAX11141ATI+?
The device supports single-ended, fully differential, and pseudo-differential input configurations.
- What is the SINAD of the MAX11141ATI+ at 250kHz input frequency?
The SINAD is guaranteed at 70dB at 250kHz input frequency.
- What is the operating temperature range of the MAX11141ATI+?
The device operates over a temperature range of -40°C to +125°C.
- What is the power consumption of the MAX11141ATI+ at 500ksps with 3V supplies?
The power consumption is 4.2mW at 500ksps with 3V supplies.
- Does the MAX11141ATI+ support internal and external clock modes?
Yes, the device supports both internal and external clock modes with scan mode in both modes.
- What is the package type of the MAX11141ATI+?
The device is available in a 28-pin, 5mm x 5mm TQFN package.
- What is the full-shutdown current of the MAX11141ATI+?
The full-shutdown current is 2µA.
