Overview
The AD7863ARZ-2REEL7 is a high-speed, low-power, dual 14-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed for simultaneous sampling and conversion of two channels, making it ideal for applications requiring precise and synchronized data acquisition. The AD7863 operates from a single 5 V supply and features a high-speed parallel interface, facilitating easy connection to microprocessors, microcontrollers, and digital signal processors. The device is fabricated using Analog Devices' linear compatible CMOS (LC2MOS) process, combining precision bipolar circuits with low-power CMOS logic.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer Part Number | AD7863ARZ-2REEL7 |
| Manufacturer | Analog Devices Inc. |
| Description | 14 Bit Analog to Digital Converter 4 Input 2 SAR 28-SOIC W |
| Number of Bits | 14 |
| Sampling Rate (Per Second) | 175 kSPS |
| Number of Inputs | 4 |
| Input Type | Single Ended |
| Data Interface | Parallel |
| Configuration | MUX-S/H-ADC |
| Ratio - S/H:ADC | 1:1 |
| Number of A/D Converters | 2 |
| Architecture | SAR (Successive Approximation Register) |
| Reference Type | External, Internal |
| Voltage - Supply, Analog | 5 V |
| Voltage - Supply, Digital | 5 V |
| Package / Case | 28-SOIC (0.295", 7.50mm Width) |
| Operating Temperature | -40°C ~ 85°C |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
Key Features
- Simultaneous sampling and conversion of two channels, preserving relative phase information of the signals.
- High-speed parallel interface for easy connection to microprocessors, microcontrollers, and digital signal processors.
- Operates from a single 5 V supply and consumes 70 mW typical, with automatic power-down mode for battery-powered or portable applications.
- Overvoltage protection on analog inputs allows input voltages up to ±17 V, ±7 V, or +7 V without causing damage.
- Internal 2.5 V reference and high-speed track/hold amplifiers.
- Fabricated using Analog Devices' linear compatible CMOS (LC2MOS) process.
Applications
The AD7863ARZ-2REEL7 is suitable for a variety of applications that require high-speed, simultaneous data acquisition. These include:
- Industrial control systems
- Medical devices requiring precise signal measurement
- Aerospace and defense systems
- Automotive systems
- Portable and battery-powered devices
Q & A
- What is the resolution of the AD7863ARZ-2REEL7 ADC?
The AD7863ARZ-2REEL7 has a resolution of 14 bits. - How many analog inputs does the AD7863ARZ-2REEL7 have?
The AD7863ARZ-2REEL7 has four analog inputs grouped into two channels. - What is the sampling rate of the AD7863ARZ-2REEL7?
The sampling rate is 175 kSPS (kilosamples per second). - What type of data interface does the AD7863ARZ-2REEL7 use?
The AD7863ARZ-2REEL7 uses a parallel data interface. - Is the AD7863ARZ-2REEL7 RoHS compliant?
Yes, the AD7863ARZ-2REEL7 is lead-free and RoHS compliant. - What is the operating temperature range of the AD7863ARZ-2REEL7?
The operating temperature range is -40°C to 85°C. - Does the AD7863ARZ-2REEL7 have overvoltage protection?
Yes, the AD7863ARZ-2REEL7 has overvoltage protection on its analog inputs. - How is the conversion initiated on the AD7863ARZ-2REEL7?
Conversion is initiated by pulsing the CONVST input. - What is the power consumption of the AD7863ARZ-2REEL7?
The typical power consumption is 70 mW. - What packaging options are available for the AD7863ARZ-2REEL7?
The AD7863ARZ-2REEL7 is available in a 28-lead SOIC (Wide) package.
