Overview
The MX674AJEPI+ is a complete 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This industry-standard ADC combines high speed, low power consumption, and on-chip clock and voltage reference, making it a versatile component for various applications. The MX674A series is known for its BiCMOS construction, which reduces power dissipation significantly compared to other devices. It features a successive approximation technique for converting analog inputs to digital outputs and supports multiple analog input ranges through pin strapping.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12-bit | |
| Conversion Time | 15 μs | |
| Analog Input Range | 0 to +10V, 0 to +20V (unipolar), ±5V, ±10V (bipolar) | |
| Analog Supply Voltage | ±12 V, ±15 V | V |
| Digital Supply Voltage | 5 V | V |
| Operating Temperature | -40°C to +85°C | °C |
| Package Type | 28-DIP (0.600, 15.24mm) | |
| Mounting Style | Through Hole | |
| Interface Type | Parallel | |
| Differential Nonlinearity (DNL) | ±1 LSB |
Key Features
- High-speed conversion with a maximum conversion time of 15 μs.
- Low power consumption with BiCMOS construction, reducing power dissipation to 150 mW.
- On-chip clock and voltage reference for simplified design.
- Internal buried zener reference for low-drift and low-noise performance.
- Versatile analog input structure supporting multiple input ranges through 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.
Applications
The MX674AJEPI+ is suitable for a wide range of applications requiring high-speed, low-power analog-to-digital conversion. These include:
- Industrial control systems.
- Medical devices.
- Aerospace and defense systems.
- Automotive systems.
- Data acquisition systems.
Q & A
- What is the resolution of the MX674AJEPI+ ADC?
The MX674AJEPI+ has a 12-bit resolution.
- What are the typical conversion times for the MX674AJEPI+?
The conversion time for the MX674AJEPI+ is 15 μs.
- What are the supported analog input ranges for the MX674AJEPI+?
The MX674AJEPI+ supports 0 to +10V, 0 to +20V (unipolar), and ±5V, ±10V (bipolar) input ranges.
- What is the operating temperature range for the MX674AJEPI+?
The operating temperature range is -40°C to +85°C.
- What type of package does the MX674AJEPI+ come in?
The MX674AJEPI+ comes in a 28-DIP (0.600, 15.24mm) package.
- How is the MX674AJEPI+ powered?
The MX674AJEPI+ requires ±12 V or ±15 V for the analog supply and 5 V for the digital supply.
- What is the differential nonlinearity (DNL) of the MX674AJEPI+?
The DNL is ±1 LSB.
- Can the MX674AJEPI+ be interfaced with various microprocessors?
Yes, it supports standard microprocessor interface architectures and can be interfaced to 8-, 12-, and 16-bit wide buses.
- What is the power consumption of the MX674AJEPI+?
The power consumption is 150 mW due to its BiCMOS construction.
- Does the MX674AJEPI+ require external components for operation?
It requires minimal external components, typically just decoupling capacitors and fixed resistors.
