Overview
The MX7828LCWI is a high-speed, 8-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This component is part of the MX7828 series, which includes a one-chip data acquisition system with either four or eight analog input channels. The MX7828LCWI specifically features eight analog input channels, making it suitable for a variety of applications requiring multiple input signals.
The device operates from a single +5V supply and has a conversion time of 2.5μs per channel, ensuring high-speed data acquisition. It also includes a built-in track/hold circuit, eliminating the need for external track/hold components with many input signals.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 8-bit |
| Number of Analog Input Channels | 8 |
| Conversion Time | 2.5μs per channel |
| Analog Input Range | 0V to +5V |
| Supply Voltage | +5V |
| Package Type | 28-SOIC |
| Interface | Microprocessor-compatible, latched three-state buffer circuitry |
Key Features
- High-speed, 8-bit analog-to-digital conversion with a conversion time of 2.5μs per channel.
- Eight analog input channels with a built-in multiplexer.
- Built-in track/hold circuit, eliminating the need for external track/hold components.
- Internal 2.5V reference (for certain models, though not specified for MX7828LCWI).
- Microprocessor-compatible interface with latched, three-state buffer circuitry for direct connection to a microprocessor data bus or system input port.
- Pin compatibility with Analog Devices' AD7824 and AD7828.
Applications
The MX7828LCWI is suitable for various high-speed data acquisition applications, including:
- Industrial control systems requiring multiple analog inputs.
- Medical devices that need fast and accurate analog-to-digital conversion.
- Aerospace and defense systems where high-speed data acquisition is critical.
- Automotive systems, especially those involving sensor data acquisition.
- Test and measurement equipment that require high-speed ADCs.
Q & A
- What is the resolution of the MX7828LCWI ADC?
The MX7828LCWI has an 8-bit resolution.
- How many analog input channels does the MX7828LCWI have?
The MX7828LCWI has eight analog input channels.
- What is the conversion time per channel for the MX7828LCWI?
The conversion time per channel is 2.5μs.
- What is the analog input range for the MX7828LCWI?
The analog input range is from 0V to +5V.
- Does the MX7828LCWI require an external track/hold circuit?
No, the MX7828LCWI includes a built-in track/hold circuit.
- What type of package does the MX7828LCWI come in?
The MX7828LCWI comes in a 28-SOIC package.
- Is the MX7828LCWI compatible with other Analog Devices products?
Yes, it is pin compatible with Analog Devices' AD7824 and AD7828.
- What is the supply voltage for the MX7828LCWI?
The supply voltage is +5V.
- How does the MX7828LCWI interface with microprocessors?
The MX7828LCWI has a microprocessor-compatible interface with latched, three-state buffer circuitry.
- What are some typical applications for the MX7828LCWI?
Typical applications include industrial control systems, medical devices, aerospace and defense systems, automotive systems, and test and measurement equipment.
