Overview
The MAX11325ATJ+T, produced by Analog Devices Inc./Maxim Integrated, is a high-performance, low-power analog-to-digital converter (ADC) belonging to the MAX11321–MAX11328 family. These devices are 12-/10-bit successive approximation register (SAR) ADCs, offering a sampling rate of 1 Msps and a full-linear bandwidth of 1 MHz. They are designed for multichannel applications, providing external access to the output of the integrated multiplexer and ADC inputs, which simplifies signal conditioning. The MAX11325ATJ+T is ideal for portable battery-powered data-acquisition applications and other scenarios requiring low power consumption and compact design.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-/10-bit |
| Sampling Rate | 1 Msps |
| Full Linear Bandwidth | 1 MHz |
| Analog Supply Voltage | 2.35V to 3.6V |
| Digital Supply Voltage | 1.5V to 3.6V |
| Power Consumption | 5.4mW at 1Msps (VDD = 3V) |
| Operating Temperature | -40°C to +125°C |
| Package Type | 32-pin, 5mm x 5mm TQFN |
| Signal to Noise Ratio (SNR) | 72.3 dB |
| Interface | High-speed 3-wire serial interface (SPI, QSPI, MICROWIRE) |
Key Features
- External access to the output of the integrated multiplexer and ADC inputs for simplified signal conditioning.
- Internal and external clock modes with scan mode and internal averaging to improve signal-to-noise ratio (SNR).
- SampleSet™ technology for user-programmable analog input channel sequencer with a maximum sequence length of 256.
- 16-entry First-In/First-Out (FIFO) buffer for high-speed data sampling and readout.
- AutoShutdown™, fast wake-up, and full power-down mode for optimal power management.
- Support for single-ended, fully differential, and pseudo-differential input configurations.
Applications
The MAX11325ATJ+T is well-suited for various applications that require high-speed, low-power, and compact design. These include:
- Portable battery-powered data-acquisition systems.
- Medical devices requiring low power and high precision.
- Industrial automation and control systems.
- Aerospace and defense applications where space and power are critical.
- Any application demanding low power consumption and small form factor.
Q & A
- What is the sampling rate of the MAX11325ATJ+T?
The MAX11325ATJ+T has a sampling rate of 1 Msps. - What are the available resolutions for the MAX11325ATJ+T?
The MAX11325ATJ+T is available in 12-bit and 10-bit resolutions. - What is the operating temperature range of the MAX11325ATJ+T?
The operating temperature range is -40°C to +125°C. - What is the power consumption of the MAX11325ATJ+T at 1 Msps?
The power consumption is 5.4mW at 1 Msps with a 3V supply. - What types of input configurations are supported by the MAX11325ATJ+T?
The device supports single-ended, fully differential, and pseudo-differential input configurations. - What is the purpose of the SampleSet™ technology in the MAX11325ATJ+T?
The SampleSet™ technology allows for user-programmable analog input channel sequencing to optimize the interface to the microcontroller. - What is the package type and size of the MAX11325ATJ+T?
The device is packaged in a 32-pin, 5mm x 5mm TQFN package. - Does the MAX11325ATJ+T support internal and external clock modes?
Yes, the device supports both internal and external clock modes with scan mode and internal averaging. - What is the signal-to-noise ratio (SNR) of the MAX11325ATJ+T?
The SNR is 72.3 dB. - What interfaces does the MAX11325ATJ+T support?
The device supports high-speed 3-wire serial interfaces such as SPI, QSPI, and MICROWIRE.
