Overview
The AD7872BRZ-REEL, produced by Analog Devices Inc., is a 14-bit successive approximation analog-to-digital converter (ADC) designed for high precision and reliability. This component is part of the AD7871/AD7872 family, which are complete, fast, and feature-rich ADCs. The AD7872BRZ-REEL operates from ±5 V power supplies and accepts bipolar input signals up to ±3 V, making it suitable for a wide range of applications requiring accurate analog-to-digital conversion.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7872BRZ-REEL |
| Package | 16-Lead SOIC Wide |
| Number of Bits | 14 |
| Sampling Rate (Per Second) | 83 kHz |
| Number of Analog In Channels | 1 |
| Input Type | Single Ended |
| Data Interface | SPI, Serial |
| Architecture | Successive Approximation (SAR) |
| Reference Type | Internal, 3 V buried Zener reference |
| Voltage - Supply, Analog | ±5 V |
| Voltage - Supply, Digital | ±5 V |
| Operating Temperature | -40°C to +85°C |
| Analog Input Voltage Range | ±3 V |
Key Features
- High Precision: The AD7872BRZ-REEL features a 14-bit successive approximation ADC, ensuring high accuracy in analog-to-digital conversion.
- Internal Reference: It includes a 3 V buried Zener reference, which is temperature compensated and factory trimmed, providing stable and accurate reference voltage.
- Track-and-Hold Amplifier: The component has a high-speed track-and-hold amplifier with an input bandwidth greater than the Nyquist rate, allowing for accurate conversion of high-frequency signals.
- Self-Contained Clock: The ADC has a self-contained, laser-trimmed internal clock, eliminating the need for external clock timing components.
- Serial Output: The AD7872BRZ-REEL provides a serial data output, making it easy to interface with modern microprocessors and digital signal processors.
- Dynamic Performance: Fully specified for dynamic performance parameters including distortion and signal-to-noise ratio, ensuring robust performance in various applications.
Applications
The AD7872BRZ-REEL is versatile and can be used in a variety of applications, including:
- Industrial Automation: For precise measurement and control in industrial environments.
- Medical Devices: In medical equipment requiring high accuracy and reliability in signal conversion.
- Aerospace and Defense: For applications demanding robust and precise analog-to-digital conversion.
- Test and Measurement Equipment: In instruments such as oscilloscopes, multimeters, and data acquisition systems.
Q & A
- What is the resolution of the AD7872BRZ-REEL ADC?
The AD7872BRZ-REEL has a resolution of 14 bits.
- What is the sampling rate of the AD7872BRZ-REEL?
The sampling rate is up to 83 kHz.
- What type of input signals does the AD7872BRZ-REEL accept?
The component accepts bipolar input signals up to ±3 V.
- What is the power supply requirement for the AD7872BRZ-REEL?
The component operates from ±5 V power supplies.
- Does the AD7872BRZ-REEL have an internal clock?
Yes, it has a self-contained, laser-trimmed internal clock.
- What type of data output does the AD7872BRZ-REEL provide?
The component provides a serial data output.
- What is the operating temperature range of the AD7872BRZ-REEL?
The operating temperature range is -40°C to +85°C.
- Does the AD7872BRZ-REEL require external components for operation?
No, it requires no external components apart from power supply decoupling capacitors.
- What is the architecture of the AD7872BRZ-REEL ADC?
The architecture is based on a successive approximation (SAR) ADC.
- Is the AD7872BRZ-REEL RoHS compliant?
Yes, the component is RoHS compliant.
