Overview
The AD7872JRZ-REEL 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 successive approximation ADC, a track-and-hold amplifier, a 3 V buried Zener reference, and versatile interface logic. It operates from ±5 V power supplies and accepts bipolar input signals of ±3 V, making it suitable for a wide range of analog input signals.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7872JRZ-REEL |
| Converter Type | SUCCESSIVE APPROXIMATION ADC |
| Number of Bits | 14 |
| Number of Analog In Channels | 1 |
| Analog Input Voltage-Max | 3 V |
| Analog Input Voltage-Min | -3 V |
| Conversion Time-Max | 10.5 µs |
| Sample Rate | 0.083 MHz |
| Power Supplies | ±5 V |
| Operating Temperature-Max | 70 °C |
| Package Type | SOIC, 16-pin |
| Package Body Material | PLASTIC/EPOXY |
| Technology | CMOS |
Key Features
- Self-Contained Clock: The AD7872 has an on-chip clock that can be overridden to synchronize with the digital system, minimizing noise.
- Internal Reference: A 3 V buried Zener reference is internally trimmed and available for external use.
- Track-and-Hold Amplifier: Allows for accurate conversion of input signals with a high input bandwidth and fast acquisition time.
- Serial Output: The AD7872 provides a 14-bit serial data stream output.
- Dynamic Performance: Fully specified for dynamic performance parameters including distortion and signal-to-noise ratio.
- Low Power Consumption: Operates from ±5 V power supplies with efficient power management.
Applications
The AD7872JRZ-REEL is suitable for various high-performance applications, including:
- Data Acquisition Systems: Ideal for systems requiring precise analog-to-digital conversion.
- Industrial Control Systems: Used in control systems that need accurate and fast analog signal processing.
- Medical Devices: Applicable in medical equipment that requires high accuracy and reliability in signal conversion.
- Aerospace and Defense: Suitable for applications in aerospace and defense where high precision and reliability are critical.
Q & A
- What is the resolution of the AD7872JRZ-REEL?
The AD7872JRZ-REEL is a 14-bit analog-to-digital converter.
- What is the maximum analog input voltage for the AD7872JRZ-REEL?
The maximum analog input voltage is ±3 V.
- What is the conversion time of the AD7872JRZ-REEL?
The maximum conversion time is 10.5 µs.
- Does the AD7872JRZ-REEL have an internal clock?
Yes, it has a self-contained, laser-trimmed internal clock that can be overridden if necessary.
- What type of output does the AD7872JRZ-REEL provide?
The AD7872JRZ-REEL provides a 14-bit serial data stream output.
- What are the power supply requirements for the AD7872JRZ-REEL?
The device operates from ±5 V power supplies.
- What is the operating temperature range of the AD7872JRZ-REEL?
The operating temperature range is 0°C to 70°C.
- What package type is the AD7872JRZ-REEL available in?
The AD7872JRZ-REEL is available in a 16-pin SOIC package.
- Is the AD7872JRZ-REEL RoHS compliant?
Yes, the AD7872JRZ-REEL is RoHS compliant.
- What is the sample rate of the AD7872JRZ-REEL?
The sample rate is up to 0.083 MHz.
