Overview
The AD7828KN, produced by Analog Devices Inc., is a high-speed, 8-channel, 8-bit analog-to-digital converter (ADC). This device is part of the AD7828 series, which offers a cost-effective and space-saving solution for multichannel ADC systems. The AD7828KN operates on a single 5 V supply and features a built-in track-and-hold function, allowing it to handle signals up to 10 kHz bandwidth with a slew rate of 157 mV/µs. It is fabricated using an advanced, all ion-implanted, linear-compatible CMOS process (LC2MOS), ensuring low power dissipation and high reliability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 8 | |
| Resolution | 8-bit | |
| Conversion Time | 2.5 µs/channel | µs |
| Sampling Frequency | 50 kHz | kHz |
| Analog Input Range | 0 V to 5 V | V |
| Supply Voltage | 5 V | V |
| Power Dissipation | 40 mW (typ) | mW |
| Operating Temperature Range | 0°C to 70°C | °C |
| Package Type | 28-DIP (0.600, 15.24mm) |
Key Features
- Multi-Channel Input Multiplexer: The AD7828KN features an 8-channel input multiplexer, providing a cost-effective and space-saving solution for multichannel ADC systems.
- Fast Conversion Rate: The device has a fast conversion rate of 2.5 µs per channel, enabling high-speed data acquisition.
- Built-In Track-and-Hold Function: Capable of handling signals up to 10 kHz bandwidth with a slew rate of 157 mV/µs.
- Single 5 V Supply: Simplifies system power requirements with a single supply voltage.
- Low Power Dissipation: Typical power dissipation of 40 mW, making it suitable for power-sensitive applications.
- Easy Microprocessor Interface: No clock signal is required, and the device can be easily interfaced with most popular microprocessors using standard Chip Select (CS) and Read (RD) signals.
Applications
- Data Acquisition Systems: Ideal for high-speed data acquisition in various industrial, medical, and automotive applications.
- Process Control: Suitable for process control systems where multiple analog inputs need to be monitored and converted to digital signals.
- Medical Devices: Can be used in medical devices that require fast and accurate analog-to-digital conversion.
- Aerospace and Defense: Applicable in aerospace and defense systems due to its reliability and performance under various environmental conditions.
Q & A
- What is the resolution of the AD7828KN ADC?
The AD7828KN has an 8-bit resolution.
- How many analog input channels does the AD7828KN have?
The AD7828KN has 8 analog input channels.
- What is the conversion time per channel for the AD7828KN?
The conversion time per channel is 2.5 µs.
- What is the operating supply voltage for the AD7828KN?
The operating supply voltage is 5 V.
- What is the typical power dissipation of the AD7828KN?
The typical power dissipation is 40 mW.
- Does the AD7828KN require an external clock signal for operation?
No, the AD7828KN does not require an external clock signal.
- What is the maximum bandwidth of the analog input signals that the AD7828KN can handle?
The device can handle signals up to 10 kHz bandwidth.
- What type of package is the AD7828KN available in?
The AD7828KN is available in a 28-DIP (0.600, 15.24mm) package.
- What is the operating temperature range for the AD7828KN?
The operating temperature range is 0°C to 70°C.
- How does the AD7828KN interface with microprocessors?
The device interfaces with microprocessors using standard Chip Select (CS) and Read (RD) signals.
