Overview
The MAX11321ATJ+ 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 series, which features 10-/12-bit resolution and is designed for applications requiring precise signal conditioning and low power consumption.
The MAX11321ATJ+ is highly integrated, offering external access to the output of the integrated multiplexer and ADC input, which simplifies signal conditioning. It operates in both internal and external clock modes, supporting high-speed data acquisition and flexible configuration options.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 10/12 |
| Number of Inputs | 4/8/16 |
| Input Type | Single-Ended, Differential, Pseudo-Differential |
| Sampling Rate | 1 Msps |
| Data Interface | SPI, QSPI, MICROWIRE |
| Architecture | SAR (Successive Approximation Register) |
| Reference Type | External |
| Voltage - Supply, Analog | 2.35V to 3.6V |
| Voltage - Supply, Digital | 2.35V to 3.6V |
| Operating Temperature | -40°C to +125°C |
| Package/Case | 32-WFQFN Exposed Pad |
| Power Consumption | 5.4mW at 1Msps |
Key Features
- High-speed, low-power, serial-output successive approximation register (SAR) ADCs with 10-/12-bit resolution.
- External access to the output of the integrated multiplexer and ADC input for simplified signal conditioning.
- Both internal and external clock modes with internal averaging to improve signal-to-noise ratio (SNR).
- Flexible input configurations: single-ended, differential, or pseudo-differential inputs.
- User-defined channel sequence with a maximum length of 256.
- Scan modes, internal averaging, and internal clock with a 16-entry FIFO.
- AutoShutdown, fast wake-up, and full power-down mode for optimal power management.
- High-speed 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE.
- Low power consumption of 5.4mW at 1Msps, extending battery life for portable applications.
Applications
- Portable battery-powered data-acquisition systems.
- Industrial control systems.
- System supervision and control.
- Power-supply monitoring.
- Control for optical components.
- Medical devices requiring high precision and low power consumption.
Q & A
- What is the resolution of the MAX11321ATJ+ ADC?
The MAX11321ATJ+ ADC has a resolution of 10/12 bits.
- What are the input types supported by the MAX11321ATJ+?
The device supports single-ended, differential, and pseudo-differential inputs.
- What is the sampling rate of the MAX11321ATJ+?
The sampling rate is up to 1 Msps.
- What data interfaces are supported by the MAX11321ATJ+?
The device supports SPI, QSPI, and MICROWIRE interfaces.
- What is the power consumption of the MAX11321ATJ+ at 1 Msps?
The power consumption is 5.4mW at 1 Msps.
- What are the operating temperature ranges for the MAX11321ATJ+?
The operating temperature range is -40°C to +125°C.
- Does the MAX11321ATJ+ support internal averaging?
Yes, the device supports internal averaging to improve SNR in internal clock mode.
- What is the package type of the MAX11321ATJ+?
The device is available in a 32-WFQFN Exposed Pad package.
- Can the MAX11321ATJ+ be used in portable battery-powered applications?
Yes, it is suitable for portable battery-powered applications due to its low power consumption.
- Does the MAX11321ATJ+ have a full power-down mode?
Yes, the device features a full power-down mode for optimal power management.
