Overview
The AD7827BR-REEL is a high-performance, 8-channel, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed to provide high accuracy and reliability in various industrial and medical applications. The AD7827 features a successive approximation register (SAR) architecture, which ensures fast conversion times and low power consumption. The device is available in a 28-lead SSOP package and is suitable for use in a wide range of environments due to its robust design and high temperature stability.
Key Specifications
| Specification | Value |
|---|---|
| Number of Channels | 8 |
| Resolution | 12 bits |
| Conversion Time | 2.5 μs (typical) |
| Input Voltage Range | 0 to VREF (up to 5 V) |
| Reference Voltage | External (up to 5 V) |
| Power Supply | Single supply: 4.5 V to 5.5 V |
| Operating Temperature Range | -40°C to +85°C |
| Package Type | 28-lead SSOP |
| Interface | SPI-compatible serial interface |
Key Features
- High-speed conversion rate of up to 400 kHz
- Low power consumption: 15 mW (typical) at 5 V supply
- High accuracy: ±1 LSB INL and ±1 LSB DNL
- On-chip reference and temperature sensor
- SPI-compatible serial interface for easy communication
- Robust design with high temperature stability
Applications
- Industrial automation and control systems
- Medical devices and diagnostic equipment
- Test and measurement instruments
- Aerospace and defense systems
- Automotive systems and sensors
Q & A
- What is the resolution of the AD7827BR-REEL?
The AD7827BR-REEL has a resolution of 12 bits. - How many channels does the AD7827BR-REEL have?
The AD7827BR-REEL has 8 channels. - What is the typical conversion time of the AD7827BR-REEL?
The typical conversion time is 2.5 μs. - What is the operating temperature range of the AD7827BR-REEL?
The operating temperature range is -40°C to +85°C. - What type of package does the AD7827BR-REEL come in?
The AD7827BR-REEL comes in a 28-lead SSOP package. - Does the AD7827BR-REEL have an on-chip reference?
Yes, the AD7827BR-REEL has an on-chip reference and temperature sensor. - What is the power supply requirement for the AD7827BR-REEL?
The AD7827BR-REEL requires a single supply of 4.5 V to 5.5 V. - Is the AD7827BR-REEL compatible with SPI interfaces?
Yes, the AD7827BR-REEL has an SPI-compatible serial interface. - What are some common applications of the AD7827BR-REEL?
Common applications include industrial automation, medical devices, test and measurement instruments, aerospace and defense systems, and automotive systems. - Where can I find detailed specifications for the AD7827BR-REEL?
Detailed specifications can be found on the official Analog Devices website or through distributors like Digi-Key, Mouser, and Avnet.
