Overview
The AD7899AR-3 is a high-performance, 14-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed for fast and accurate analog-to-digital conversion, making it suitable for a variety of applications that require high-speed and low-power operation. The AD7899AR-3 operates from a single 5 V supply and features a high-speed parallel interface, allowing easy integration with 3 V and 5 V microprocessors, microcontrollers, and digital signal processors.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Resolution | 14-bit | ||
| Throughput Rate | 400 kSPS | Maximum throughput rate | |
| Supply Voltage | 5 V ± 5% | V | Single supply operation |
| Power Consumption | 80 mW (typ) | mW | Typical power consumption |
| Power-Down Mode | 20 µW (typ) | µW | Typical power consumption in power-down mode |
| Input Voltage Ranges | ±10 V, ±5 V, ±2.5 V, 0 V to 2.5 V, 0 V to 5 V | V | Different versions offer various input ranges |
| Aperture Delay | 20 ns (max) | ns | Maximum aperture delay |
| Aperture Jitter | 25 ps (typ) | ps | Typical aperture jitter |
| Operating Temperature | -40°C to +85°C | °C | Operating temperature range |
| Package | 28-lead SOIC and SSOP | Available package types |
Key Features
- Fast conversion rate with a throughput of up to 400 kSPS and a track-and-hold acquisition time of 0.3 µs.
- High-speed parallel interface compatible with both 3 V and 5 V processors.
- Low power consumption with a typical power consumption of 80 mW and a power-down mode of 20 µW.
- Overvoltage protection on analog inputs.
- Single 5 V supply operation.
- High accuracy and linearity with positive and negative gain errors of ±14 LSB max.
- Available in various input ranges: ±10 V, ±5 V, ±2.5 V, 0 V to 2.5 V, and 0 V to 5 V.
- RoHS compliant and tested for rugged environments.
Applications
The AD7899AR-3 is suitable for a wide range of applications, including:
- Industrial control systems requiring high-speed and accurate analog-to-digital conversion.
- Medical devices that need low-power and high-performance ADCs.
- Aerospace and defense systems where ruggedness and reliability are critical.
- Automotive systems that require robust and high-speed data conversion.
- Portable and battery-powered devices due to its low power consumption.
Q & A
- What is the resolution of the AD7899AR-3 ADC?
The AD7899AR-3 has a 14-bit resolution. - What is the maximum throughput rate of the AD7899AR-3?
The maximum throughput rate is 400 kSPS. - What is the supply voltage for the AD7899AR-3?
The AD7899AR-3 operates from a single 5 V supply. - What are the available input voltage ranges for the AD7899AR-3?
The available input voltage ranges include ±10 V, ±5 V, ±2.5 V, 0 V to 2.5 V, and 0 V to 5 V. - Does the AD7899AR-3 have overvoltage protection?
Yes, the AD7899AR-3 has overvoltage protection on its analog inputs. - What is the typical power consumption of the AD7899AR-3?
The typical power consumption is 80 mW, and in power-down mode, it is 20 µW. - What types of packages are available for the AD7899AR-3?
The AD7899AR-3 is available in 28-lead SOIC and SSOP packages. - Is the AD7899AR-3 RoHS compliant?
Yes, the AD7899AR-3 is RoHS compliant. - What is the operating temperature range for the AD7899AR-3?
The operating temperature range is -40°C to +85°C. - Can the AD7899AR-3 interface with 3 V processors?
Yes, the high-speed parallel interface of the AD7899AR-3 is compatible with both 3 V and 5 V processors.
