Overview
The AD7872BRZ is a 14-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the AD7871/AD7872 family, which are fast, complete ADCs designed for high-performance applications. The AD7872 features a track-and-hold amplifier, a successive approximation ADC, a 3 V buried Zener reference, and versatile interface logic. It operates with a self-contained, laser-trimmed internal clock, eliminating the need for external clock timing components. The device can also be synchronized with external digital systems to minimize noise.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Data Output Format | Serial output only |
| Power Supply | ±5 V |
| Input Signal Range | ±3 V bipolar |
| Conversion Rate | Up to 41.5 kHz |
| Package Type | 16-Lead SOIC Wide |
| Fabrication Process | LC2MOS mixed technology process |
Key Features
- Self-contained, laser-trimmed internal clock for operation without external timing components.
- Capability to override the internal clock for synchronization with external digital systems.
- High dynamic performance, including specifications for distortion and signal-to-noise ratio.
- Compatibility with modern microprocessors and digital signal processors.
- Serial data output format for efficient data transfer.
Applications
The AD7872BRZ is suitable for a variety of high-performance applications, including:
- Data acquisition systems requiring high accuracy and speed.
- Industrial control systems where precise analog-to-digital conversion is necessary.
- Medical devices that demand high-resolution ADCs for signal processing.
- Aerospace and defense applications where reliability and performance are critical.
Q & A
- What is the resolution of the AD7872BRZ?
The AD7872BRZ has a resolution of 14 bits.
- What is the data output format of the AD7872BRZ?
The AD7872BRZ features a serial data output format only.
- What are the power supply requirements for the AD7872BRZ?
The device operates from ±5 V power supplies.
- What is the input signal range for the AD7872BRZ?
The device accepts bipolar input signals of ±3 V.
- What is the maximum conversion rate of the AD7872BRZ?
The AD7872BRZ can convert full power signals up to 41.5 kHz.
- In what package types is the AD7872BRZ available?
The AD7872BRZ is available in 16-Lead PDIP, CERDIP, and SOIC packages.
- What fabrication process is used for the AD7872BRZ?
The device is fabricated in Analog Devices, Inc., LC2MOS mixed technology process.
- Can the internal clock of the AD7872BRZ be overridden?
Yes, the internal clock can be overridden to synchronize ADC operation with external digital systems.
- Is the AD7872BRZ compatible with modern microprocessors and digital signal processors?
Yes, the device is compatible with modern microprocessors and digital signal processors.
- What are some typical applications for the AD7872BRZ?
The AD7872BRZ is used in data acquisition systems, industrial control systems, medical devices, and aerospace and defense applications.
