Overview
The MAX11645EUA+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 series, known for their high performance and compact design. The MAX11645EUA+T features an internal track/hold (T/H), voltage reference, clock, and an I²C-compatible 2-wire serial interface. It operates from a single supply voltage of 2.7V to 3.6V 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 |
|---|---|
| Number of Bits | 12 |
| Number of Channels | 1 or 2 (single-ended or 1 differential) |
| Supply Voltage | 2.7V to 3.6V |
| Internal Reference Voltage | 2.048V |
| External Reference Voltage Range | 1V to VDD |
| Sampling Rate | Up to 94.4ksps |
| Power Consumption | 6μA at 1ksps, <1μA in Power-Down Mode |
| Data Interface | I²C-compatible 2-wire serial interface (400kHz Fast Mode, 1.7MHz High-Speed Mode) |
| Operating Temperature Range | -40°C to +85°C |
| Package Type | Ultra-tiny 1.9mm x 2.2mm WLP package, 8-pin μMAX® package |
Key Features
- Ultra-tiny 1.9mm x 2.2mm Wafer Level Package (WLP) and 8-pin μMAX® package
- High-Speed I²C-Compatible Serial Interface (400kHz Fast Mode, 1.7MHz High-Speed Mode)
- 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
Applications
The MAX11645EUA+T is suitable for a wide range of applications, including:
- Industrial automation and control systems
- Medical devices requiring precise analog-to-digital conversion
- Automotive systems where low power and compact size are critical
- Consumer electronics, such as smart home devices and IoT applications
- Test and measurement equipment
Q & A
- What is the resolution of the MAX11645EUA+T ADC?
The MAX11645EUA+T is a 12-bit analog-to-digital converter. - What are the supply voltage ranges for the MAX11645EUA+T?
The device operates from a single supply voltage of 2.7V to 3.6V. - What is the internal reference voltage of the MAX11645EUA+T?
The internal reference voltage is 2.048V. - Can the MAX11645EUA+T use an external reference voltage?
Yes, it can use an external reference voltage ranging from 1V to VDD. - What is the maximum sampling rate of the MAX11645EUA+T?
The maximum sampling rate is up to 94.4ksps. - How much power does the MAX11645EUA+T consume at a 1ksps sample rate?
The device consumes only 6μA at a 1ksps sample rate. - What is the operating temperature range of the MAX11645EUA+T?
The operating temperature range is -40°C to +85°C. - What package types are available for the MAX11645EUA+T?
The device is available in an ultra-tiny 1.9mm x 2.2mm WLP package and an 8-pin μMAX® package. - Does the MAX11645EUA+T support differential and single-ended inputs?
Yes, it supports both differential and single-ended inputs, and the inputs are software-configurable for unipolar or bipolar operation. - What is the AutoShutdown™ feature of the MAX11645EUA+T?
The AutoShutdown™ feature powers down the device between conversions, reducing the supply current to less than 1μA at low throughput rates.
