Overview
The MAX11322ATJ+T is a high-performance, low-power analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX11321–MAX11328 family, which features 12-/10-bit resolution and a sampling rate of 1 Msps. It is designed for multichannel applications, offering flexibility and efficiency in signal conditioning and data acquisition.
The MAX11322ATJ+T is particularly suited for applications requiring high-speed, low-power conversion with advanced features such as external signal conditioning access and a user-programmable analog input channel sequencer known as SampleSet™ technology.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated |
| Number of Bits | 12 |
| Sampling Rate (Per Second) | 1 Msps |
| Number of Inputs | 2, 4, 8, 16 |
| Input Type | Differential, Pseudo-Differential, Single Ended |
| Data Interface | SPI, DSP |
| Configuration | MUX-S/H-ADC |
| Architecture | SAR (Successive Approximation Register) |
| Reference Type | External |
| Voltage - Supply, Analog | 2.35V ~ 3.6V |
| Voltage - Supply, Digital | 2.35V ~ 3.6V |
| Operating Temperature | -40°C ~ 125°C |
| Package / Case | 32-WFQFN Exposed Pad (5x5 mm) |
| Power Consumption | 5.4mW at 1Msps |
Key Features
- SampleSet™ Technology: Allows user-defined channel sequence with a maximum length of 256, providing extreme flexibility in programming input configurations and sampling sequences.
- External Signal Conditioning Access: Provides access to the output of the integrated multiplexer and ADC inputs, simplifying multichannel signal conditioning even for differential signals.
- Low Power Consumption: Consumes only 5.4mW at 1Msps, extending battery life for portable applications.
- High-Speed Serial Interface: Supports SPI, QSPI, and MICROWIRE interfaces without external logic, with a clock rate up to 48MHz.
- Internal Averaging and FIFO: Features internal averaging to increase signal-to-noise ratio (SNR) and a 16-entry FIFO for high-speed data sampling and readout.
- AutoShutdown and Fast Wake-Up: Includes full power-down mode and fast wake-up capabilities for optimal power management.
Applications
The MAX11322ATJ+T is ideal for various applications that require high-speed, low-power data acquisition. These include:
- Portable Battery-Powered Devices: Its low power consumption makes it suitable for battery-powered applications where energy efficiency is crucial.
- Industrial Automation: The device's ability to handle multiple channels and its high-speed conversion rate make it a good fit for industrial automation and control systems.
- Medical Devices: The precision and low noise characteristics of the MAX11322ATJ+T are beneficial in medical devices that require accurate signal conversion.
- Aerospace and Defense: The device's robust operating temperature range and low power consumption are advantageous in aerospace and defense applications.
Q & A
- What is the sampling rate of the MAX11322ATJ+T?
The MAX11322ATJ+T has a sampling rate of 1 Msps (1 million samples per second).
- What types of input configurations are supported by the MAX11322ATJ+T?
The device supports single-ended, differential, and pseudo-differential input configurations.
- What is the power consumption of the MAX11322ATJ+T at 1 Msps?
The device consumes 5.4mW at 1 Msps.
- What is the operating temperature range of the MAX11322ATJ+T?
The operating temperature range is -40°C to 125°C.
- What is the SampleSet™ technology in the MAX11322ATJ+T?
SampleSet™ technology allows user-defined channel sequences with a maximum length of 256, providing flexibility in programming input configurations and sampling sequences.
- Does the MAX11322ATJ+T support internal averaging?
Yes, the device features internal averaging to increase the signal-to-noise ratio (SNR) in internal clock mode.
- What is the package type of the MAX11322ATJ+T?
The device is packaged in a 32-WFQFN exposed pad (5x5 mm).
- Is the MAX11322ATJ+T RoHS compliant?
Yes, the MAX11322ATJ+T is ROHS3 compliant.
- What is the maximum clock rate of the serial interface?
The serial interface supports up to 48MHz clock rate.
- Does the MAX11322ATJ+T have a FIFO for data storage?
Yes, the device includes a 16-entry FIFO for high-speed data sampling and readout.
