Overview
The MX674AJCWI is a 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This component is part of the MAX174/MX574A/MX674A family, known for their high speed, low power consumption, and integrated clock and voltage reference. The MX674AJCWI is designed to provide accurate and efficient analog-to-digital conversion, making it suitable for a variety of applications requiring precise data acquisition.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Number of Bits | 12 | |
| Conversion Time | 15 μs | |
| Analog Input Range | 0 to +10V, 0 to +20V (unipolar), ±5V, ±10V (bipolar) | |
| Input Impedance | 3-7 kΩ (10V input), 6-14 kΩ (20V input) | kΩ |
| Power Consumption | 150 mW | mW |
| Package Type | 28-SOIC | |
| Lead Free Status / RoHS Status | Lead free / RoHS compliant |
Key Features
- High-speed conversion with a maximum conversion time of 15 μs
- Low power consumption of 150 mW, reducing power dissipation compared to similar devices
- Internal buried zener reference for low-drift and low-noise performance
- Versatile analog input structure supporting various input ranges (0 to +10V, 0 to +20V, ±5V, ±10V) with pin strapping
- Standard microprocessor interface architectures compatible with 8-, 12-, and 16-bit wide buses
- Three-state data outputs controlled by CS, CE, and R/C logic inputs
- Minimal external component requirements, limited to decoupling capacitors and fixed resistors
Applications
- Data acquisition systems requiring high accuracy and speed
- Industrial control and automation systems
- Medical devices and diagnostic equipment
- Aerospace and defense applications where low power and high reliability are crucial
- Automotive systems, including engine control and safety systems
Q & A
- What is the conversion time of the MX674AJCWI ADC?
The conversion time of the MX674AJCWI is 15 μs.
- What are the supported analog input ranges for the MX674AJCWI?
The MX674AJCWI supports 0 to +10V, 0 to +20V (unipolar), and ±5V, ±10V (bipolar) input ranges.
- What is the power consumption of the MX674AJCWI?
The power consumption of the MX674AJCWI is 150 mW.
- What type of package does the MX674AJCWI come in?
The MX674AJCWI comes in a 28-SOIC package.
- Is the MX674AJCWI lead-free and RoHS compliant?
Yes, the MX674AJCWI is lead-free and RoHS compliant.
- What is the input impedance of the MX674AJCWI?
The input impedance of the MX674AJCWI is 3-7 kΩ for 10V input and 6-14 kΩ for 20V input).
- How does the MX674AJCWI interface with microprocessors?
The MX674AJCWI uses standard microprocessor interface architectures and can be interfaced to 8-, 12-, and 16-bit wide buses).
- What external components are required for the MX674AJCWI?
The MX674AJCWI requires minimal external components, limited to decoupling capacitors and fixed resistors).
- What is the internal reference voltage of the MX674AJCWI?
The MX674AJCWI has an internal buried zener reference for low-drift and low-noise performance).
- What are some common applications of the MX674AJCWI?
The MX674AJCWI is commonly used in data acquisition systems, industrial control, medical devices, aerospace, and automotive systems).
