Overview
The MX7828LN+ is a high-speed, multi-channel analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This component is part of the MX7824/MX7828 family, which includes 8-bit ADCs with either 4 or 8 analog input channels. The MX7828 specifically features eight analog input channels, making it suitable for a wide range of data acquisition applications. It operates from a single +5V supply and includes a built-in track/hold circuit, eliminating the need for external track/hold components in many cases.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Number of Analog Input Channels | - | 8 | - | - |
| Conversion Time per Channel | - | 2.5μs | - | - |
| Analog Input Range | 0V | - | +5V | - |
| Supply Voltage | - | +5V | - | - |
| Resolution | - | 8 Bits | - | - |
| Operating Temperature Range | -40°C | - | +85°C | - |
| Storage Temperature Range | -65°C | - | +160°C | - |
| Input Capacitance | - | 5 pF | 8 pF | - |
| Input High Voltage | - | 2.4 V | - | - |
| Output Noise | - | 200 µV/rms | - | - |
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.
- Operates from a single +5V supply.
- Microprocessor-compatible interface, allowing the ADC to appear as a memory location or I/O port without external logic.
- Latched, three-state buffer circuitry for direct connection to microprocessor data buses or system input ports.
- Pin compatible with Analog Devices' AD7824 and AD7828.
Applications
The MX7828LN+ is suitable for various high-speed data acquisition applications, including:
- Industrial automation and control systems.
- Medical devices requiring multiple channel data acquisition.
- Aerospace and defense systems where high-speed and reliability are critical.
- Automotive systems for sensor data acquisition.
- Test and measurement equipment.
Q & A
- What is the conversion time per channel for the MX7828LN+?
The conversion time per channel is 2.5μs. - How many analog input channels does the MX7828LN+ have?
The MX7828LN+ has eight analog input channels. - What is the operating supply voltage for the MX7828LN+?
The operating supply voltage is +5V. - Does the MX7828LN+ require an external track/hold circuit?
No, it includes a built-in track/hold circuit. - Is the MX7828LN+ compatible with other Analog Devices products?
Yes, it is pin compatible with Analog Devices' AD7824 and AD7828. - What is the resolution of the MX7828LN+ ADC?
The resolution is 8 bits. - What is the operating temperature range for the MX7828LN+?
The operating temperature range is -40°C to +85°C. - How does the MX7828LN+ interface with microprocessors?
The ADC can appear as a memory location or I/O port without the need for external logic, and it uses latched, three-state buffer circuitry for direct connection to microprocessor data buses or system input ports. - What is the storage temperature range for the MX7828LN+?
The storage temperature range is -65°C to +160°C. - What are some typical applications for the MX7828LN+?
Typical applications include industrial automation, medical devices, aerospace and defense systems, automotive systems, and test and measurement equipment.
