Overview
The AD7828KPZ-REEL, produced by Analog Devices Inc., is a high-speed, 8-bit analog-to-digital converter (ADC) designed for multichannel applications. This component features an 8-channel input multiplexer, making it a cost-effective and space-saving solution for systems requiring multiple analog input channels. The AD7828 operates on a single 5 V supply and includes a built-in track-and-hold function, enabling the digitization of full-scale signals up to 10 kHz bandwidth with a slew rate of 157 mV/µs. The device is fabricated using an advanced, all ion-implanted, linear compatible CMOS process (LC2MOS), ensuring low power dissipation of typically 40 mW. The AD7828 is available in a 28-lead PLCC package and is RoHS compliant.
Key Specifications
| Parameter | Value | Unit | Conditions/Comments |
|---|---|---|---|
| Resolution | 8 | Bits | |
| Total Unadjusted Error | ±1/2 | LSB max | |
| Conversion Rate | 2.5 µs/channel | ||
| Sampling Frequency | 50 kHz | Per channel | |
| Analog Input Range | 0 V to 5 V | Using an external 5 V reference | |
| Supply Voltage | 5 V | ||
| Power Dissipation | 40 mW (typ) | ||
| Package Type | 28-lead PLCC | ||
| RoHS Compliance | Yes |
Key Features
- 4 or 8 analog input channels (AD7828 has 8 channels)
- Built-in track-and-hold function capable of handling signals up to 10 kHz bandwidth
- Fast conversion rate of 2.5 µs per channel
- Single 5 V supply simplifies system power requirements
- Tight total unadjusted error specification and channel-to-channel matching eliminate the need for user trims
- Fast, easy-to-use digital interface compatible with most popular microprocessors without requiring a clock signal
- Low power dissipation of typically 40 mW
- Advanced, all ion-implanted, linear compatible CMOS process (LC2MOS)
Applications
The AD7828KPZ-REEL is suitable for a variety of applications requiring high-speed, multichannel analog-to-digital conversion. These include:
- Industrial control systems
- Medical devices
- Aerospace and defense systems
- Automotive systems
- Data acquisition systems
- Embedded systems requiring multiple analog inputs
Q & A
- What is the resolution of the AD7828KPZ-REEL?
The AD7828KPZ-REEL has an 8-bit resolution.
- How many analog input channels does the AD7828KPZ-REEL have?
The AD7828KPZ-REEL has 8 analog input channels.
- What is the conversion rate of the AD7828KPZ-REEL?
The conversion rate is 2.5 µs per channel.
- What is the maximum sampling frequency per channel for the AD7828KPZ-REEL?
The maximum sampling frequency per channel is 50 kHz.
- What is the supply voltage for the AD7828KPZ-REEL?
The supply voltage is 5 V.
- Does the AD7828KPZ-REEL require an external clock signal for operation?
No, the AD7828KPZ-REEL does not require an external clock signal.
- What is the typical power dissipation of the AD7828KPZ-REEL?
The typical power dissipation is 40 mW.
- In what package type is the AD7828KPZ-REEL available?
The AD7828KPZ-REEL is available in a 28-lead PLCC package.
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- How does the AD7828KPZ-REEL interface with microprocessors?
The AD7828KPZ-REEL interfaces with microprocessors using standard Chip Select (CS) and Read (RD) signals, similar to Read Only Memory (ROM) devices.
