Overview
The AD7899ARZ-1, produced by Analog Devices Inc., is a high-performance, 14-bit analog-to-digital converter (ADC) designed for a wide range of applications requiring fast and accurate analog-to-digital conversion. This component operates from a single 5 V supply, making it suitable for low-power and portable applications. It features a successive-approximation ADC, a track/hold amplifier, an internal 2.5 V reference, and a high-speed parallel interface. The AD7899ARZ-1 is available in a 28-lead SOIC (Wide) package and is known for its low power consumption and high throughput rate of up to 400 kSPS.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Throughput Rate | Up to 400 kSPS |
| Conversion Time | 2.2 µs |
| Track/Hold Acquisition Time | 0.3 µs |
| Supply Voltage | 5 V |
| Power Consumption | 80 mW (typical), 20 µW (power-down mode) |
| Analog Input Ranges | ±10 V, ±5 V, ±2.5 V, 0 V to 2.5 V, 0 V to 5 V |
| Overvoltage Protection | Up to ±18 V (depending on input range) |
| Interface | High-speed parallel interface (compatible with 3 V and 5 V processors) |
| Package | 28-Lead SOIC (Wide) |
Key Features
- Fast 14-bit ADC with a conversion time of 2.2 µs and a throughput rate of up to 400 kSPS.
- Single 5 V supply operation with low power consumption (80 mW typical) and a power-down mode (20 µW typical).
- High-speed parallel interface compatible with both 3 V and 5 V processors.
- Multiple analog input 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 to prevent damage from excessive input voltages.
- Internal 2.5 V reference and on-chip clock oscillator.
Applications
The AD7899ARZ-1 is suitable for a variety of applications, including:
- Portable and battery-powered devices due to its low power consumption.
- High-speed data acquisition systems requiring fast and accurate analog-to-digital conversion.
- Industrial control systems where multiple input ranges and high-speed interfaces are necessary.
- Medical devices and diagnostic equipment that require precise and fast data conversion.
- Aerospace and defense applications where reliability and performance are critical.
Q & A
- What is the resolution of the AD7899ARZ-1 ADC?
The AD7899ARZ-1 has a resolution of 14 bits. - What is the maximum throughput rate of the AD7899ARZ-1?
The maximum throughput rate is up to 400 kSPS. - What is the conversion time of the AD7899ARZ-1?
The conversion time is 2.2 µs. - What are the available analog input ranges for the AD7899ARZ-1?
The available analog input ranges are ±10 V, ±5 V, ±2.5 V, 0 V to 2.5 V, and 0 V to 5 V. - Does the AD7899ARZ-1 have overvoltage protection?
Yes, the AD7899ARZ-1 has overvoltage protection on its analog inputs. - What type of interface does the AD7899ARZ-1 use?
The AD7899ARZ-1 uses a high-speed parallel interface compatible with both 3 V and 5 V processors. - What is the typical power consumption of the AD7899ARZ-1?
The typical power consumption is 80 mW, with a power-down mode of 20 µW. - In what package is the AD7899ARZ-1 available?
The AD7899ARZ-1 is available in a 28-Lead SOIC (Wide) package. - Can the AD7899ARZ-1 be used in portable devices?
Yes, the AD7899ARZ-1 is suitable for portable and battery-powered devices due to its low power consumption. - Is the AD7899ARZ-1 compatible with 3 V processors?
Yes, the high-speed parallel interface of the AD7899ARZ-1 is compatible with both 3 V and 5 V processors.
