Overview
The MAX11338ATJ+T, produced by Analog Devices Inc./Maxim Integrated, is a high-performance, low-power analog-to-digital converter (ADC) designed for a variety of data-acquisition applications. This 12-/10-bit successive approximation register (SAR) ADC features a full-linear-bandwidth and operates at a sampling rate of 500 ksps. It is part of the MAX11335–MAX11340 family, known for its excellent dynamic performance, low voltage operation, and compact package size.
The device is particularly suited for portable battery-powered applications and other scenarios where low power consumption and small form factor are critical. It offers both internal and external clock modes, along with advanced features such as internal averaging and SampleSet™ technology for flexible channel sequencing.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-/10-bit |
| Sampling Rate | 500 ksps |
| Signal to Noise Ratio (SNR) | 61.5 dB |
| Spurious-free Dynamic Range (SFDR) | 83.4 dB |
| Supply Voltage | 2.35V to 3.6V |
| Power Consumption | 4.2mW at 500ksps |
| Operating Temperature | -40°C to +125°C |
| Package Type | 32-pin TQFN (5mm x 5mm) |
| Interface | High-speed 3-wire serial interface (SPI, QSPI™, MICROWIRE® compatible) |
Key Features
- External access to the output of the integrated multiplexer and ADC inputs for simplified signal conditioning.
- Both internal and external clock modes with scan mode capability.
- Internal averaging in internal clock mode to improve Signal-to-Noise Ratio (SNR) for noisy input signals.
- SampleSet™ technology for user-programmable analog input channel sequencing in external clock mode.
- Analog input channels configurable as single-ended, fully differential, or pseudo-differential inputs.
- AutoShutdown™, fast wake-up, and full power-down mode for optimal power management.
- Integrated FIFO in internal clock mode for high-speed sampling and flexible readout.
Applications
The MAX11338ATJ+T is ideal for various data-acquisition applications, particularly those requiring low power consumption and compact form factors. Key application areas include:
- Portable battery-powered devices.
- Medical devices and diagnostic equipment.
- Industrial automation and control systems.
- Aerospace and defense systems.
- Automotive and transportation systems.
Q & A
- What is the resolution of the MAX11338ATJ+T ADC?
The MAX11338ATJ+T ADC has a resolution of 12-/10-bit.
- What is the sampling rate of the MAX11338ATJ+T?
The sampling rate is 500 ksps.
- What is the operating temperature range of the MAX11338ATJ+T?
The operating temperature range is -40°C to +125°C.
- What types of analog input configurations are supported by the MAX11338ATJ+T?
The device supports single-ended, fully differential, and pseudo-differential input configurations.
- Does the MAX11338ATJ+T support both internal and external clock modes?
- What is the power consumption of the MAX11338ATJ+T at 500ksps?
The power consumption is 4.2mW at 500ksps.
- What is the package type of the MAX11338ATJ+T?
The package type is 32-pin TQFN (5mm x 5mm).
- Does the MAX11338ATJ+T have an integrated FIFO?
- What interface types are supported by the MAX11338ATJ+T?
The device supports high-speed 3-wire serial interfaces compatible with SPI, QSPI™, and MICROWIRE®.
- What is the purpose of SampleSet™ technology in the MAX11338ATJ+T?
SampleSet™ technology allows for user-programmable analog input channel sequencing, providing greater flexibility for multichannel applications.
