Overview
The AD7899SR-1 is a high-performance, 14-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is designed for fast and accurate analog-to-digital conversion, making it suitable for a wide range of applications that require high precision and speed. The AD7899SR-1 operates from a single 5 V supply, which enhances its usability in low-power and portable systems.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Resolution | 14 | Bits | |
| Sampling Rate | 400 kSPS | ||
| Supply Voltage | 5 V | Analog and Digital | |
| Power Consumption | 80 mW (typ) | Normal operation | |
| Power-Down Mode | 20 μW (typ) | via STBY pin | |
| Input Voltage Range | ±10 V, ±5 V, ±2.5 V, 0 V to 2.5 V, 0 V to 5 V | Depending on version | |
| Input Current | 0.8 mA max (±10 V, ±5 V), 0.4 mA max (0 V to 2.5 V), 800 μA max (0 V to 5 V) | Depending on input range | |
| Operating Temperature | -55°C to +125°C | ||
| Package | 28-SOIC | ||
| Interface | High-Speed Parallel | Compatible with 3 V and 5 V processors |
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 via the STBY pin.
- High-speed parallel interface compatible with both 3 V and 5 V microprocessors, microcontrollers, and digital signal processors.
- Selection of 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.
- No missing codes guaranteed.
Applications
The AD7899SR-1 is suitable for various applications requiring high-speed and high-precision analog-to-digital conversion. These include:
- Industrial control systems.
- Medical devices.
- Aerospace and defense systems.
- Automotive systems.
- Data acquisition systems.
Q & A
- What is the resolution of the AD7899SR-1 ADC?
The AD7899SR-1 has a resolution of 14 bits. - What is the maximum sampling rate of the AD7899SR-1?
The maximum sampling rate is 400 kSPS. - What is the supply voltage for the AD7899SR-1?
The supply voltage is 5 V for both analog and digital supplies. - How much power does the AD7899SR-1 consume in normal operation?
The device consumes 80 mW typical in normal operation. - What is the power consumption in power-down mode?
The power consumption in power-down mode is 20 μW typical. - What are the available input voltage ranges for the AD7899SR-1?
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. - What type of interface does the AD7899SR-1 use?
The AD7899SR-1 uses a high-speed parallel interface compatible with both 3 V and 5 V processors. - Does the AD7899SR-1 have overvoltage protection?
Yes, the AD7899SR-1 has overvoltage protection on its analog inputs. - What is the operating temperature range of the AD7899SR-1?
The operating temperature range is -55°C to +125°C. - In what package is the AD7899SR-1 available?
The AD7899SR-1 is available in a 28-SOIC package.
