Overview
The AD7893AR-5 is a 12-bit, single-supply, serial analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the AD7893 series, which offers high performance and compact packaging. The AD7893AR-5 operates from a single +5 V supply and is designed for low power consumption, making it suitable for battery-powered or portable applications. It integrates a fast 6 µs ADC, a track/hold amplifier, control logic, and a high-speed serial interface, all within an 8-pin package, providing significant space savings over alternative solutions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 12-bit | |
| Conversion Time | 6 µs | |
| Supply Voltage | +5 V | V |
| Power Consumption | 25 mW (typical) | mW |
| Operating Temperature Range | –40°C to +85°C | °C |
| Analog Input Range | ±10 V, ±2.5 V, 0 V to +5 V, 0 V to +2.5 V | V |
| Input Resistance | Typically 33 kΩ | kΩ |
| Package Type | 8-pin SOIC or mini-DIP | |
| Throughput Rate | Up to 117 kHz | kHz |
Key Features
- Fast 12-bit ADC with a conversion time of 6 µs.
- Low power consumption of 25 mW, making it ideal for battery-powered or portable applications.
- Single +5 V supply operation.
- High-speed serial interface.
- Compact 8-pin package available in SOIC or mini-DIP.
- Signal scaling for various input ranges (±10 V, ±2.5 V, 0 V to +5 V, 0 V to +2.5 V).
- On-chip buffered reference input.
- Dynamic performance parameters include harmonic distortion and signal-to-noise ratio.
Applications
- Battery-powered devices and portable equipment.
- Data acquisition systems.
- Medical devices requiring low power and high accuracy.
- Industrial control systems.
- Aerospace and defense applications where compact, low-power ADCs are necessary.
Q & A
- What is the resolution of the AD7893AR-5?
The AD7893AR-5 has a 12-bit resolution.
- What is the conversion time of the AD7893AR-5?
The conversion time is 6 µs.
- What is the supply voltage for the AD7893AR-5?
The supply voltage is +5 V.
- How much power does the AD7893AR-5 consume?
The power consumption is typically 25 mW.
- What are the available analog input ranges for the AD7893AR-5?
The available analog input ranges are ±10 V, ±2.5 V, 0 V to +5 V, and 0 V to +2.5 V.
- What types of packages are available for the AD7893AR-5?
The AD7893AR-5 is available in 8-pin SOIC or mini-DIP packages.
- What is the throughput rate of the AD7893AR-5?
The throughput rate is up to 117 kHz.
- Does the AD7893AR-5 have a high-speed serial interface?
- Is the AD7893AR-5 suitable for battery-powered applications?
- What are some common applications of the AD7893AR-5?
