Overview
The MX7828KCWI 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 devices with either four or eight analog input channels. The MX7828 is designed to provide a complete data acquisition system in a single chip, making it highly versatile for various applications requiring rapid and precise analog-to-digital conversion.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Analog Input Channels | 8 channels |
| Conversion Time | 2.5μs per channel |
| Resolution | 8-bit |
| Analog Input Range | 0V to +5V |
| Supply Voltage | Single +5V supply |
| Internal Reference | 2.5V on-chip reference (MAX154/MAX158 compatible) |
| Package Type | 28-SOIC (0.295", 7.50mm Width) |
| Compatibility | Pin compatible with AD7824 and AD7828 |
Key Features
- High-speed conversion with a conversion time of 2.5μs per channel.
- Internal 2.5V reference, providing a complete data acquisition system.
- Built-in track/hold circuitry, eliminating the need for external track/hold with many input signals.
- Latched, three-state buffer circuitry for data outputs, allowing direct connection to a microprocessor data bus or system input port.
- Simplified microprocessor interfaces, capable of appearing as a memory location or I/O port without external logic.
Applications
The MX7828KCWI is suitable for a variety of high-speed data acquisition applications, including:
- Industrial control systems requiring rapid analog-to-digital conversion.
- Medical devices that need precise and fast data acquisition.
- Aerospace and defense systems where high-speed data conversion is critical.
- Automotive systems that require robust and high-speed ADCs.
Q & A
- What is the conversion time of the MX7828KCWI?
The conversion time of the MX7828KCWI is 2.5μs per channel.
- How many analog input channels does the MX7828KCWI have?
The MX7828KCWI has eight analog input channels.
- What is the resolution of the MX7828KCWI?
The resolution of the MX7828KCWI is 8-bit.
- What is the analog input range of the MX7828KCWI?
The analog input range of the MX7828KCWI is 0V to +5V.
- Does the MX7828KCWI have an internal reference voltage?
Yes, the MX7828KCWI is compatible with devices that have a 2.5V on-chip reference.
- What type of package does the MX7828KCWI come in?
The MX7828KCWI comes in a 28-SOIC package.
- Is the MX7828KCWI compatible with other Analog Devices products?
Yes, the MX7828KCWI is pin compatible with AD7824 and AD7828.
- How does the MX7828KCWI interface with microprocessors?
The MX7828KCWI can appear as a memory location or I/O port without the need for external logic, simplifying microprocessor interfaces.
- What are some typical applications of the MX7828KCWI?
The MX7828KCWI is used in industrial control systems, medical devices, aerospace and defense systems, and automotive systems.
- Does the MX7828KCWI have built-in track/hold circuitry?
Yes, the MX7828KCWI has built-in track/hold circuitry, eliminating the need for an external track/hold with many input signals.
