Overview
The AD7899BR-3 is a high-performance, 14-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed for fast and low-power applications, making it ideal for a variety of industrial and portable uses. The AD7899BR-3 operates from a single 5 V supply and features a high-speed parallel interface, allowing it to interface with both 3 V and 5 V microprocessors, microcontrollers, and digital signal processors.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Bits | 14 | |
| Sampling Rate | 400 kSPS | |
| Supply Voltage | 5 V | V |
| Power Consumption (Typical) | 80 mW | mW |
| Power-Down Mode | 20 μW (Typical) | μW |
| Input Voltage Ranges | ±10 V, ±5 V, ±2.5 V, 0 V to 2.5 V, 0 V to 5 V | V |
| Track/Hold Acquisition Time | 0.3 μs | μs |
| Conversion Time | 2.2 μs | μs |
| Package Type | 28-lead SOIC and SSOP | |
| Operating Temperature Range | –40°C to +85°C | °C |
Key Features
- Fast conversion time of 2.2 μs, allowing throughput rates of up to 400 kSPS.
- Low power consumption of 80 mW typical, with a power-down mode of 20 μW typical.
- Single 5 V supply operation.
- High-speed parallel interface compatible with 3 V and 5 V processors.
- Multiple input voltage ranges: ±10 V, ±5 V, ±2.5 V, 0 V to 2.5 V, and 0 V to 5 V.
- Overvoltage protection on analog inputs.
- No missing codes guaranteed.
- Lead-free and RoHS compliant packaging.
Applications
- Industrial control systems.
- Portable and battery-powered devices.
- Medical devices requiring high accuracy and low power consumption.
- Aerospace and defense applications where reliability and precision are critical.
- Data acquisition systems in various fields such as automotive, consumer electronics, and scientific instruments.
Q & A
- What is the resolution of the AD7899BR-3 ADC?
The AD7899BR-3 has a resolution of 14 bits.
- What is the maximum sampling rate of the AD7899BR-3?
The maximum sampling rate is 400 kSPS.
- What is the typical power consumption of the AD7899BR-3?
The typical power consumption is 80 mW.
- What are the available input voltage ranges for the AD7899BR-3?
The available input voltage ranges are ±10 V, ±5 V, ±2.5 V, 0 V to 2.5 V, and 0 V to 5 V.
- Does the AD7899BR-3 support both 3 V and 5 V processors?
- What is the conversion time of the AD7899BR-3?
The conversion time is 2.2 μs.
- Is the AD7899BR-3 lead-free and RoHS compliant?
- What is the operating temperature range of the AD7899BR-3?
The operating temperature range is –40°C to +85°C.
- Does the AD7899BR-3 have overvoltage protection on analog inputs?
- What is the typical power consumption in power-down mode?
The typical power consumption in power-down mode is 20 μW.
