Overview
The AD7899ARSZ-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 ADC operates from a single 5 V supply and is known for its low power consumption and high throughput rate. It features a successive-approximation ADC, a track/hold amplifier, an on-chip clock oscillator, and a high-speed parallel interface, making it suitable for various industrial, medical, and automotive applications.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Resolution | 14-bit | ||
| Throughput Rate | 400 kSPS | ||
| Conversion Time | 2.2 µs | Successive-approximation ADC | |
| Track/Hold Acquisition Time | 0.3 µs | ||
| Analog Input Ranges | ±10 V, ±5 V, ±2.5 V, 0 V to 2.5 V, 0 V to 5 V | ||
| Supply Voltage | 5 V ± 5% | Single supply operation | |
| Power Consumption | 80 mW (typ), 20 µW (power-down mode) | ||
| Package | 28-Lead SSOP | ||
| Operating Temperature Range | -40°C to 85°C |
Key Features
- Fast conversion time of 2.2 µs, allowing for throughput rates of up to 400 kSPS.
- Low power consumption of 80 mW (typ) and a power-down mode consuming 20 µW (typ).
- High-speed parallel interface compatible with both 3 V and 5 V microprocessors, microcontrollers, and digital signal processors.
- Overvoltage protection on analog inputs to prevent damage from excessive input voltages.
- Internal clock oscillator or external clock option for conversion speed control.
- Available in various versions with different analog input ranges.
Applications
The AD7899ARSZ-1 is versatile and can be used in a variety of applications, including:
- Industrial automation and control systems.
- Medical devices requiring high accuracy and low power consumption.
- Automotive systems, such as engine control units and safety systems.
- Data acquisition systems in scientific and research environments.
- Portable and battery-powered devices where low power is crucial.
Q & A
- What is the resolution of the AD7899ARSZ-1 ADC?
The AD7899ARSZ-1 has a resolution of 14 bits. - What is the maximum throughput rate of the AD7899ARSZ-1?
The maximum throughput rate is 400 kSPS. - What are the available analog input ranges for the AD7899ARSZ-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. - How much power does the AD7899ARSZ-1 consume?
The AD7899ARSZ-1 consumes 80 mW (typ) in normal operation and 20 µW (typ) in power-down mode. - What type of interface does the AD7899ARSZ-1 use?
The AD7899ARSZ-1 uses a high-speed parallel interface compatible with both 3 V and 5 V microprocessors. - Does the AD7899ARSZ-1 have overvoltage protection?
Yes, the AD7899ARSZ-1 has overvoltage protection on its analog inputs. - What is the operating temperature range of the AD7899ARSZ-1?
The operating temperature range is -40°C to 85°C. - In what package is the AD7899ARSZ-1 available?
The AD7899ARSZ-1 is available in a 28-Lead SSOP package. - Can the AD7899ARSZ-1 be controlled by an external clock?
Yes, the AD7899ARSZ-1 can be controlled by either an internal clock oscillator or an external clock. - What are some common applications for the AD7899ARSZ-1?
The AD7899ARSZ-1 is commonly used in industrial automation, medical devices, automotive systems, data acquisition systems, and portable devices.
