Overview
The MAX11628EEE/V+T is a 12-bit, serial-output, multichannel analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX11626–MAX11629/MAX11632/MAX11633 family and is designed for low-power, high-accuracy data acquisition in various applications such as system monitoring, process control, and instrumentation.
It features an internal track and hold (T/H) circuitry, an analog multiplexer, and a 16-entry first-in/first-out (FIFO) buffer, making it suitable for multiple channel configurations. The ADC operates on a single supply voltage and supports both internal and external reference options.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Resolution | 12 | 12 | 12 | bits | |
| Sampling Rate | 300 | kSPS | |||
| Input Channel Type | Single Ended | ||||
| Supply Voltage | 4.75V | 5.25V | V | ||
| No. of Pins | 16 | Pins | |||
| Operating Temperature | -40°C | 85°C | °C | ||
| Data Interface | SPI | ||||
| Internal Reference Voltage | 4.024V | 4.096V | 4.168V | V | |
| Acquisition Time | 0.6µs | µs | |||
| Conversion Time (Internally clocked) | 3.5µs | µs | |||
| External Clock Frequency | 0.1MHz | 4.8MHz | MHz |
Key Features
- Internal Track and Hold (T/H) Circuitry: Supports single-ended inputs and ensures accurate sampling of analog signals.
- Analog Multiplexer: Offers 8 channels for the MAX11628 model, allowing for multiple input configurations.
- Internal Reference: Provides a stable reference voltage of 4.096V, with an option for an external reference from 1V to VDD.
- FIFO Buffer: A 16-entry first-in/first-out buffer for efficient data handling and reduced microprocessor overhead.
- Scan Mode and Internal Averaging: Enhances data acquisition flexibility and accuracy.
- Internal Clock and SPI Interface: Supports a 10MHz 3-wire SPI-/QSPI-/MICROWIRE-compatible interface for easy communication with microprocessors.
- Low Power Consumption: Operates with low power, making it suitable for battery-powered and power-sensitive applications.
- Small Package: Available in a 16-pin QSOP package, minimizing board space.
Applications
- System Monitoring: Ideal for monitoring various system parameters in industrial and automotive applications.
- Process Control: Used in process control systems to measure and control analog signals accurately.
- Instrumentation: Suitable for instrumentation applications requiring high accuracy and reliability.
- Medical Devices: Can be used in medical devices for precise measurement of physiological signals.
- Automotive Systems: Applicable in automotive systems for sensor data acquisition and monitoring.
Q & A
- What is the resolution of the MAX11628EEE/V+T ADC?
The MAX11628EEE/V+T has a resolution of 12 bits.
- What is the sampling rate of the MAX11628EEE/V+T?
The sampling rate is up to 300 kSPS.
- What type of input channels does the MAX11628EEE/V+T support?
The device supports single-ended input channels.
- What is the supply voltage range for the MAX11628EEE/V+T?
The supply voltage range is from 4.75V to 5.25V.
- What is the operating temperature range for the MAX11628EEE/V+T?
The operating temperature range is from -40°C to 85°C.
- What type of data interface does the MAX11628EEE/V+T use?
The device uses a 10MHz 3-wire SPI-/QSPI-/MICROWIRE-compatible interface.
- Does the MAX11628EEE/V+T have an internal reference voltage?
Yes, it has an internal reference voltage of 4.096V, with an option for an external reference.
- What is the acquisition time for the MAX11628EEE/V+T?
The acquisition time is 0.6 µs.
- Does the MAX11628EEE/V+T support scan mode and internal averaging?
Yes, it supports both scan mode and internal averaging for enhanced data acquisition flexibility and accuracy.
- What package type is the MAX11628EEE/V+T available in?
The device is available in a 16-pin QSOP package.
