Overview
The MAX11644EUA+ is a low-power, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX11644/MAX11645 series, known for its high performance and compact design. It features an internal track/hold (T/H), voltage reference, clock, and an I2C-compatible 2-wire serial interface. The MAX11644EUA+ operates from a single supply voltage of 4.5V to 5.5V and is designed for low power consumption, making it suitable for a variety of applications requiring precise analog-to-digital conversion.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-bit |
| Number of Channels | 1 or 2 (single-ended or 1 differential) |
| Supply Voltage | 4.5V to 5.5V |
| Internal Reference Voltage | 4.096V |
| External Reference Voltage Range | 1V to VDD |
| Sampling Rate | Up to 94.4ksps |
| Current Consumption at 1ksps | 6μA |
| Current Consumption in Power-Down Mode | 0.5μA |
| Operating Temperature Range | -40°C to +85°C |
| Package Type | Ultra-tiny 1.9mm x 2.2mm WLP, 8-pin μMAX® |
| Data Interface | I2C-compatible 2-wire serial interface (400kHz Fast Mode, 1.7MHz High-Speed Mode) |
Key Features
- Ultra-tiny 1.9mm x 2.2mm Wafer Level Package and 8-pin μMAX® package options
- High-Speed I2C-Compatible Serial Interface with 400kHz Fast Mode and 1.7MHz High-Speed Mode
- Internal track/hold (T/H), voltage reference, and clock
- Software-configurable unipolar or bipolar, single-ended or differential operation
- Internal FIFO with channel-scan mode
- Low power consumption: 670μA at 94.4ksps, 6μA at 1ksps, and 0.5μA in power-down mode
- AutoShutdown™ feature to reduce supply current between conversions
Applications
The MAX11644EUA+ is suitable for a wide range of applications that require precise and low-power analog-to-digital conversion. These include:
- Industrial automation and control systems
- Medical devices and diagnostic equipment
- Aerospace and defense systems
- Automotive systems, especially those requiring low power consumption
- Consumer electronics and IoT devices
Q & A
- What is the resolution of the MAX11644EUA+ ADC?
The MAX11644EUA+ has a 12-bit resolution.
- What are the supply voltage ranges for the MAX11644EUA+?
The device operates from a single supply voltage of 4.5V to 5.5V.
- What is the internal reference voltage of the MAX11644EUA+?
The internal reference voltage is 4.096V.
- What is the maximum sampling rate of the MAX11644EUA+?
The maximum sampling rate is up to 94.4ksps.
- How much current does the MAX11644EUA+ consume at a 1ksps sampling rate?
The device consumes 6μA at a 1ksps sampling rate.
- What is the operating temperature range of the MAX11644EUA+?
The operating temperature range is -40°C to +85°C.
- What types of packages are available for the MAX11644EUA+?
The device is available in an ultra-tiny 1.9mm x 2.2mm WLP package and an 8-pin μMAX® package.
- What data interface does the MAX11644EUA+ use?
The device uses an I2C-compatible 2-wire serial interface with 400kHz Fast Mode and 1.7MHz High-Speed Mode.
- Does the MAX11644EUA+ support differential and single-ended inputs?
Yes, the device supports both differential and single-ended inputs and can be configured for unipolar or bipolar operation.
- What is the AutoShutdown™ feature in the MAX11644EUA+?
The AutoShutdown™ feature powers down the device between conversions, reducing the supply current to less than 1μA at low throughput rates.
