Overview
The AD7899ARSZ-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 data acquisition, making it suitable for a variety of applications that require high-speed and low-power conversion. The AD7899ARSZ-3 operates from a single 5 V supply and features a successive approximation register (SAR) architecture, ensuring reliable and efficient data conversion.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Resolution | 14 bits |
| Number of Channels | 1 Channel |
| Sampling Rate | 400 kSPS |
| Input Type | Single-Ended |
| Architecture | SAR (Successive Approximation Register) |
| Reference Type | External, Internal |
| Package / Case | 28-Lead SSOP |
| Operating Supply Voltage | 5 V |
| Power Consumption | 80 mW (typical) |
| Operating Temperature | -40°C to +85°C |
| SNR - Signal to Noise Ratio | 78 dB |
| DNL - Differential Nonlinearity | +/- 1 LSB |
| INL - Integral Nonlinearity | +/- 2 LSB |
| Gain Error | +/- 14 LSB |
| Input Voltage Range | ±10 V, ±5 V, ±2.5 V, 0 V to 2.5 V, 0 V to 5 V |
| Interface Type | Parallel |
| Sample and Hold | Yes |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
Key Features
- High-Speed Conversion: The AD7899ARSZ-3 features a fast 2.2 µs successive approximation ADC, allowing throughput rates of up to 400 kSPS.
- Low Power Consumption: Operates from a single 5 V supply, consuming only 80 mW typical, making it ideal for low-power and portable applications.
- High-Speed Parallel Interface: Compatible with both 3 V and 5 V microprocessors, microcontrollers, and digital signal processors.
- Sample and Hold Feature: Includes a track/hold amplifier for accurate sampling of the analog input signal.
- Overvoltage Protection: Protects the analog inputs from overvoltage conditions without damaging the part or affecting ongoing conversions.
- Low Noise Performance: Offers high signal-to-noise ratio (SNR) of 78 dB, ensuring reliable conversion accuracy.
- Flexible Input Ranges: Accepts various analog input ranges including ±10 V, ±5 V, ±2.5 V, 0 V to 2.5 V, and 0 V to 5 V.
- Power-Down Mode: Features a power-down mode via the STBY pin, reducing power consumption to 20 µW typical.
Applications
- Data Acquisition Systems: Ideal for high-speed data acquisition in various industrial, medical, and scientific applications.
- Medical Imaging Systems: Suitable for medical imaging due to its high accuracy and low noise performance.
- Portable Devices: Low power consumption makes it suitable for battery-powered devices and portable equipment.
- Industrial Automation: Used in industrial automation for precise measurement and control systems.
- Scientific Instruments: Employed in scientific instruments requiring high-speed and accurate data conversion.
Q & A
- What is the resolution of the AD7899ARSZ-3?
The AD7899ARSZ-3 has a resolution of 14 bits.
- What is the sampling rate of the AD7899ARSZ-3?
The sampling rate is up to 400 kSPS.
- What type of input does the AD7899ARSZ-3 support?
The AD7899ARSZ-3 supports single-ended inputs.
- What is the operating supply voltage of the AD7899ARSZ-3?
The operating supply voltage is 5 V.
- Does the AD7899ARSZ-3 have overvoltage protection?
Yes, it has overvoltage protection on the analog inputs.
- What is the typical power consumption of the AD7899ARSZ-3?
The typical power consumption is 80 mW.
- What is the operating temperature range of the AD7899ARSZ-3?
The operating temperature range is -40°C to +85°C.
- Is the AD7899ARSZ-3 RoHS compliant?
Yes, it is RoHS compliant and lead-free.
- What type of interface does the AD7899ARSZ-3 use?
The AD7899ARSZ-3 uses a high-speed parallel interface.
- Does the AD7899ARSZ-3 have a sample and hold feature?
Yes, it includes a track/hold amplifier.
