Analog Devices Inc. AD7863BRZ-10
| Parameters | |
|---|---|
| Series | - |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | 28-SOIC (0.295", 7.50mm Width) |
| Mfr | Analog Devices Inc. |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Input Type | Single Ended |
| Configuration | MUX-S/H-ADC |
| Supplier Device Package | 28-SOIC |
| Number of Inputs | 4 |
| Number of Bits | 14 |
| Number of A/D Converters | 2 |
| Architecture | SAR |
| Reference Type | External, Internal |
| Data Interface | Parallel |
| Sampling Rate (Per Second) | 175k |
| Voltage - Supply, Analog | 5V |
| Voltage - Supply, Digital | 5V |
| Ratio - S/H:ADC | 1:1 |
| Features | Simultaneous Sampling |
| Package | Tube |
| Product Status | Active |
| Base Product Number | AD7863 |
| REACH Status | REACH Unaffected |
| Standard Package | 27 |
| ECCN | EAR99 |
| HTSUS | 8542.39.0001 |
Analog-to-Digital Converter Dual-Channel 14-bit SAR ADC
The AD7863BRZ-10 is a high-performance, low-power, dual-channel 14-bit analog-to-digital converter (ADC) designed by Analog Devices. This chip is optimized for applications requiring simultaneous sampling and high-speed conversion, such as data acquisition systems, medical devices, and industrial control systems. It features two 14-bit successive approximation register (SAR) ADCs, each with a dual-channel input multiplexer, allowing for precise and simultaneous sampling of two analog inputs. The device operates on a single 5V power supply, making it suitable for a wide range of applications where power efficiency is critical. With its compact 28-pin SOIC-W package, the AD7863BRZ-10 is ideal for space-constrained designs while maintaining high reliability and performance.
Key Features
The AD7863BRZ-10 boasts a range of advanced features that make it a standout choice for high-speed data acquisition applications. It offers a conversion time of just 5.2 µs, enabling rapid and accurate signal processing. The device supports input ranges of ±10V, ±2.5V, and 0V to 2.5V, providing flexibility for various signal conditioning requirements. Each channel can simultaneously sample and convert two analog inputs, preserving the relative phase information between signals. The chip includes an internal 2.5V reference voltage source, eliminating the need for an external reference in many applications. Additionally, it features a high-speed parallel interface with standard CS and RD signals, facilitating easy integration with microcontrollers and other digital systems. The AD7863BRZ-10 also incorporates analog input overvoltage protection, safeguarding the device from input voltages up to ±17V, ±7V, or +7V, depending on the input range. These features, combined with its low power consumption of 70 mW (typical), make the AD7863BRZ-10 a versatile and reliable solution for demanding applications.
Applications
The AD7863BRZ-10 is well-suited for a variety of applications where high-speed, high-resolution analog-to-digital conversion is required.
In data acquisition systems, it enables precise monitoring and recording of analog signals, making it valuable in scientific research and laboratory equipment.
In medical devices, its simultaneous sampling capability is ideal for electrocardiogram (ECG) and electroencephalogram (EEG) systems, where maintaining the phase relationship between multiple signals is critical.
Industrial control systems benefit from its fast conversion time and robust overvoltage protection, ensuring reliable operation in harsh environments.
Additionally, the AD7863BRZ-10 is used in communication systems for signal processing and in automotive electronics for sensor data acquisition. Its versatility, combined with its high performance and low power consumption, makes it a preferred choice for engineers designing next-generation data acquisition solutions.
Alternative Models
● AD7863BR-10
● AD7863BR-10REEL
● AD7862
