Overview
The AD7828LP, produced by Analog Devices Inc., is a high-speed, 8-bit analog-to-digital converter (ADC) with eight multiplexed analog input channels. This device is part of the AD7824/AD7828 series, known for its fast conversion rate and low power consumption. The AD7828LP operates from a single 5 V supply and features a built-in track-and-hold function, making it suitable for digitizing full-scale signals of up to 10 kHz. It is fabricated using an advanced, all ion-implanted, linear compatible CMOS process (LC2MOS), ensuring low power dissipation and high performance.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 8 |
| Number of Channels | 8 |
| Sampling Rate | 50 kSPS |
| Conversion Time | 2.5 µs/channel |
| Input Type | Single Ended |
| Data Interface | Parallel |
| Reference Type | External |
| Supply Voltage | 5 V |
| Operating Temperature | 0°C to 70°C |
| Package | 28-LCC (J-Lead) |
Key Features
- 8-channel input multiplexer, providing a cost-effective and space-saving multichannel ADC system.
- Fast conversion rate of 2.5 µs per channel using a half-flash conversion technique.
- Built-in track-and-hold function capable of digitizing full-scale signals of up to 10 kHz.
- Low power dissipation of 50 mW (typical).
- Single 5 V supply operation.
- Simple microprocessor interfacing using standard Chip Select (CS) and Read (RD) signals.
- No need for an external clock signal due to the half-flash conversion technique.
- External differential reference inputs for flexible input range adjustment.
Applications
- Data acquisition systems requiring multiple analog inputs.
- Industrial control and automation systems.
- Medical devices needing high-speed and accurate analog-to-digital conversion.
- Aerospace and defense applications where low power and high performance are critical.
- Automotive systems for sensor data processing.
Q & A
- What is the number of analog input channels on the AD7828LP?
The AD7828LP has 8 multiplexed analog input channels.
- What is the conversion rate of the AD7828LP?
The AD7828LP has a conversion rate of 2.5 µs per channel.
- What is the supply voltage requirement for the AD7828LP?
The AD7828LP operates from a single 5 V supply.
- Does the AD7828LP require an external clock signal?
No, the AD7828LP does not require an external clock signal due to its half-flash conversion technique.
- What is the operating temperature range of the AD7828LP?
The operating temperature range of the AD7828LP is 0°C to 70°C.
- What type of data interface does the AD7828LP use?
The AD7828LP uses a parallel data interface.
- What is the power dissipation of the AD7828LP?
The AD7828LP has a typical power dissipation of 50 mW.
- What is the package type of the AD7828LP?
The AD7828LP is available in a 28-LCC (J-Lead) package.
- Can the AD7828LP be used in high-speed applications?
- Is the AD7828LP compatible with most microprocessors?
