Overview
The MAX11040KGUU+ is a 24-bit, 4-channel, simultaneous-sampling, sigma-delta analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX11040K/MAX11060 family and is designed for high-precision analog-to-digital conversion. It features simultaneous sampling of up to 32 channels using a built-in cascade feature, allowing synchronization of up to eight devices. The ADC operates from a single 3.0V to 3.6V analog supply and a 2.7V to VAVDD digital supply, making it versatile for various applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 24-bit |
| Number of Channels | 4 |
| Sampling Mode | Simultaneous Sampling |
| Conversion Type | Sigma-Delta |
| Data Output Rate | 0.25ksps to 64ksps |
| Signal-to-Noise Ratio (SNR) | 106dB at 16ksps, 117dB at 1ksps |
| Analog Supply Voltage | 3.0V to 3.6V |
| Digital Supply Voltage | 2.7V to VAVDD |
| Analog Input Range | ±2.2V (internal reference), ±6V overvoltage protection |
| Interface Compatibility | SPI, QSPI, MICROWIRE, DSP |
| Clock Source | Internal crystal oscillator or external source |
Key Features
- Simultaneous sampling of up to 32 channels using cascaded devices.
- Single serial interface for controlling up to eight cascaded devices.
- Programmable data output rate from 0.25ksps to 64ksps.
- High SNR of 106dB at 16ksps and 117dB at 1ksps.
- Internal or external reference voltage options.
- Overvoltage protection up to ±6V on analog inputs.
- Compatibility with SPI, QSPI, MICROWIRE, and DSP interfaces.
- Internal crystal oscillator or external clock source.
Applications
The MAX11040KGUU+ is suitable for a variety of high-precision measurement applications, including:
- Industrial automation and control systems.
- Medical devices requiring precise analog-to-digital conversion.
- Aerospace and defense systems where high accuracy is critical.
- Test and measurement equipment.
- Automotive systems requiring robust and accurate data conversion.
Q & A
- What is the resolution of the MAX11040KGUU+ ADC?
The MAX11040KGUU+ has a resolution of 24 bits. - How many channels does the MAX11040KGUU+ support?
The device supports 4 channels. - What is the sampling mode of the MAX11040KGUU+?
The device operates in simultaneous sampling mode. - What is the range of the data output rate for the MAX11040KGUU+?
The data output rate ranges from 0.25ksps to 64ksps. - What is the signal-to-noise ratio (SNR) of the MAX11040KGUU+?
The SNR is 106dB at 16ksps and 117dB at 1ksps. - What are the supply voltage requirements for the MAX11040KGUU+?
The device operates from a single 3.0V to 3.6V analog supply and a 2.7V to VAVDD digital supply. - What is the analog input range for the MAX11040KGUU+?
The differential analog input range is ±2.2V when using the internal reference. - Does the MAX11040KGUU+ support external reference voltage?
Yes, the device supports both internal and external reference voltage options. - What interfaces is the MAX11040KGUU+ compatible with?
The device is compatible with SPI, QSPI, MICROWIRE, and DSP interfaces. - Can the MAX11040KGUU+ be cascaded with other devices?
Yes, the device can be cascaded with up to eight other devices for synchronized sampling.
