Overview
The MAX11131AUI+ is a high-speed, low-power, 16-channel analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device features a 12-bit resolution and operates at a sampling rate of up to 3 Msps. It is housed in a 28-pin TSSOP package and is designed for applications requiring high accuracy and low power consumption.
The MAX11131AUI+ includes advanced features such as SampleSet technology, which allows users to tailor individual sample rates for each input channel, and supports both internal and external clock modes. The device also features a serial output successive approximation register (SAR) ADC with a full linear bandwidth of 1.5 MHz and excellent dynamic performance.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12-bit | |
| Number of Channels | 16 | |
| Sampling Rate | Up to 3 Msps | |
| Supply Voltage Range | 2.35V to 3.6V | V |
| Power Consumption | 15.2 mW at 1 Msps | mW |
| Full Shutdown Current | 2 µA | µA |
| Operating Temperature Range | -40°C to 125°C | °C |
| Full-Power Bandwidth | 1.5 MHz | MHz |
| SINAD at 500 kHz Input Frequency | 70 dB | dB |
| Interface | SPI, QSPI, MICROWIRE, DSP compatible | |
| Package Type | 28-pin TSSOP |
Key Features
- SampleSet Technology: Allows users to tailor individual sample rates for each input channel, providing greater sequencing flexibility and reducing microcontroller or DSP communication overhead.
- Internal and External Clock Modes: Supports both internal and external clock modes with internal averaging to increase signal-to-noise ratio (SNR) in internal clock mode.
- High-Speed and Low-Power Operation: Operates at up to 3 Msps with low power consumption of 15.2 mW at 1 Msps.
- Flexible Input Configuration: 16 entry first-in/first-out (FIFO), user-defined channel sequence with a maximum length of 256, and support for both single-ended and fully differential channel pairs.
- High Accuracy: ±1 LSB INL, ±1 LSB DNL, and 15-channel pseudo differential relative to a common input.
- External Differential Reference: Supports an external differential reference voltage range of 1V to VDD.
- No Pipeline Delay and No Missing Codes: Ensures accurate and continuous data conversion.
- SPI Interface: Compatible with SPI, QSPI, MICROWIRE, and DSP interfaces with logic levels in the range of 3.0V to 5.5V.
Applications
- Signal Processing: Ideal for applications requiring high-speed and accurate signal conversion.
- Industrial: Suitable for industrial automation and control systems.
- Power Management: Used in power management systems due to its low power consumption.
- Portable Devices: Perfect for portable battery-powered devices due to its low power and small package size.
- Medical: Applied in medical devices and sensor systems requiring precise analog-to-digital conversion.
Q & A
- What is the resolution and sampling rate of the MAX11131AUI+?
The MAX11131AUI+ has a 12-bit resolution and operates at a sampling rate of up to 3 Msps.
- What is the power consumption of the MAX11131AUI+ at 1 Msps?
The power consumption is 15.2 mW at 1 Msps.
- What is the operating temperature range of the MAX11131AUI+?
The operating temperature range is from -40°C to 125°C.
- What interface types does the MAX11131AUI+ support?
The device supports SPI, QSPI, MICROWIRE, and DSP compatible interfaces.
- What is the SampleSet technology in the MAX11131AUI+?
SampleSet technology allows users to tailor individual sample rates for each input channel, providing greater sequencing flexibility.
- Does the MAX11131AUI+ support both single-ended and differential input channels?
Yes, it supports both single-ended and fully differential channel pairs.
- What is the full-power bandwidth of the MAX11131AUI+?
The full-power bandwidth is 1.5 MHz.
- Is the MAX11131AUI+ suitable for portable battery-powered devices?
Yes, it is ideal for portable battery-powered devices due to its low power consumption and small package size.
- What is the SINAD at 500 kHz input frequency for the MAX11131AUI+?
The SINAD at 500 kHz input frequency is 70 dB.
- Does the MAX11131AUI+ have any pipeline delay or missing codes?
No, it does not have any pipeline delay or missing codes.
