Overview
The MAX11124ATI+ is a high-performance, low-power analog-to-digital converter (ADC) from Analog Devices Inc./Maxim Integrated. This device is part of the MAX11120–MAX11128 family, which features 12-/10-/8-bit successive approximation register (SAR) ADCs with external reference and industry-leading specifications. The MAX11124ATI+ is designed for applications requiring high speed, low power consumption, and small package size, making it ideal for portable battery-powered data-acquisition systems and other applications demanding low power and compact design.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Resolution | Number of bits | 12-/10-/8-bit |
| Conversion Rate | Samples per second | 1 Msps |
| Supply Voltage | Operating voltage range | 2.35V to 3.6V |
| Power Consumption | Power at 1 Msps with 3V supply | 5.4 mW |
| Full-Shutdown Current | Current in full-shutdown mode | 2 μA |
| Temperature Range | Operating temperature range | -40°C to +125°C |
| Package Type | Package dimensions | 28-pin, 5mm x 5mm TQFN |
| Serial Interface | Compatible interfaces | SPI, QSPI, MICROWIRE, DSP |
| Input Configuration | Analog input types | Single-ended, fully differential, pseudo-differential |
| Integral Nonlinearity (INL) | Maximum INL over temperature range | ±1 LSB |
| Differential Nonlinearity (DNL) | Maximum DNL over temperature range | ±1 LSB, no missing codes |
Key Features
Scan Modes and Internal Averaging: Supports scan modes in both internal and external clock modes, with internal averaging to improve signal-to-noise ratio (SNR) for noisy input signals.
SampleSet Technology: User-programmable analog input channel sequencer, providing flexibility for multichannel applications and reducing microcontroller or DSP communication overhead.
Integrated FIFO: Allows data to be sampled at high speeds and held for readout at any time or at a lower clock rate.
Flexible Input Configuration: Analog input channels can be configured as single-ended, fully differential pairs, or pseudo-differential inputs relative to a common input.
High Accuracy: ±1 LSB INL, ±1 LSB DNL, with no missing codes over the temperature range.
Low Power Consumption: Consumes only 5.4 mW at 1 Msps with a 3V supply, and 2 μA in full-shutdown mode.
High-Speed Serial Interface: 16 MHz, 3-wire SPI-/QSPI-/MICROWIRE-/DSP-compatible serial interface.
AutoShutdown and Fast Wake-Up: Features AutoShutdown and fast wake-up for optimal power management.
Applications
High-Speed Data Acquisition Systems: Ideal for applications requiring fast and accurate data conversion.
High-Speed Closed-Loop Systems: Suitable for control systems that need rapid feedback.
Industrial Control Systems: Used in industrial automation and control applications.
Medical Instrumentation: Applicable in medical devices requiring precise and low-power data acquisition.
Battery-Powered Instruments: Perfect for portable and battery-powered devices due to its low power consumption.
Portable Systems: Suitable for any portable system requiring compact and efficient data conversion.
Q & A
- What is the resolution of the MAX11124ATI+ ADC?
The MAX11124ATI+ ADC is available in 12-, 10-, and 8-bit resolutions.
- What is the conversion rate of the MAX11124ATI+?
The conversion rate is 1 Msps (million samples per second).
- What is the operating supply voltage range for the MAX11124ATI+?
The device operates from a 2.35V to 3.6V supply voltage.
- How much power does the MAX11124ATI+ consume at 1 Msps with a 3V supply?
The device consumes 5.4 mW at 1 Msps with a 3V supply.
- What is the full-shutdown current of the MAX11124ATI+?
The full-shutdown current is 2 μA.
- What types of analog input configurations are supported by the MAX11124ATI+?
The device supports single-ended, fully differential, and pseudo-differential input configurations.
- What is the temperature range for the MAX11124ATI+?
The operating temperature range is -40°C to +125°C.
- What is the SampleSet technology in the MAX11124ATI+?
SampleSet is a user-programmable analog input channel sequencer that provides greater sequencing flexibility and reduces microcontroller or DSP communication overhead.
- Does the MAX11124ATI+ support internal averaging?
- What is the package type and dimensions of the MAX11124ATI+?
The device is available in a 28-pin, 5mm x 5mm TQFN package.
