Overview
The MAX11644EUA+T is a low-power, 12-bit, 1-/2-channel analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX11644/MAX11645 family, known for their high performance and compact design. The MAX11644EUA+T operates from a single supply voltage of 4.5V to 5.5V and features an I²C-compatible 2-wire serial interface. It is designed for applications requiring low power consumption and high accuracy, making it suitable for a variety of industrial, medical, and consumer electronics.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 1 or 2 |
| Resolution | 12-bit |
| Supply Voltage | 4.5V to 5.5V |
| Input Type | Differential, Single-Ended |
| Data Interface | I²C (up to 1.7MHz High-Speed Mode) |
| Sampling Rate | Up to 94.4ksps |
| Internal Reference | 4.096V |
| External Reference Range | 1V to VDD |
| Power Consumption | 6μA at 1ksps, 0.5μA in Power-Down Mode |
| Operating Temperature | -40°C to +85°C |
| Package Type | Ultra-tiny 1.9mm x 2.2mm WLP, 8-pin μMAX® |
Key Features
- Ultra-tiny 1.9mm x 2.2mm WLP package and 8-pin μMAX® package options
- High-speed I²C-compatible serial interface (up to 1.7MHz)
- Internal track/hold (T/H), voltage reference, and clock
- Software-configurable unipolar/bipolar and single-ended/differential operation
- Internal FIFO with channel-scan mode
- Low power consumption with AutoShutdown™ feature reducing supply current to less than 1μA at low throughput rates
- Extended temperature range operation (-40°C to +85°C)
Applications
The MAX11644EUA+T is versatile and can be used in a variety of applications, including:
- Industrial automation and control systems
- Medical devices requiring precise analog-to-digital conversion
- Consumer electronics such as smart home devices and wearables
- Aerospace and defense systems where low power and high accuracy are critical
- Automotive systems for sensor data acquisition
Q & A
- What is the resolution of the MAX11644EUA+T ADC?
The MAX11644EUA+T has a 12-bit resolution.
- What are the supply voltage ranges for the MAX11644EUA+T?
The device operates from a single supply voltage of 4.5V to 5.5V.
- What types of analog inputs does the MAX11644EUA+T support?
The device supports both differential and single-ended analog inputs.
- What is the maximum sampling rate of the MAX11644EUA+T?
The maximum sampling rate is up to 94.4ksps.
- What is the internal reference voltage for the MAX11644EUA+T?
The internal reference voltage is 4.096V.
- How does the AutoShutdown™ feature work?
The AutoShutdown™ feature powers down the device between conversions, reducing supply current to less than 1μA at low throughput rates.
- What are the package options available for the MAX11644EUA+T?
The device is available in an ultra-tiny 1.9mm x 2.2mm WLP package and an 8-pin μMAX® package.
- What is the operating temperature range for the MAX11644EUA+T?
The device operates over an extended temperature range of -40°C to +85°C.
- Is the MAX11644EUA+T suitable for high-speed applications?
Yes, it features a high-speed I²C-compatible serial interface up to 1.7MHz.
- Can the MAX11644EUA+T be configured for different input modes?
Yes, the device is software-configurable for unipolar/bipolar and single-ended/differential operation.
