Overview
The AD7899ARSZ-3REEL 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 data acquisition, making it ideal for a variety of applications requiring high-speed and accurate analog-to-digital conversion.
The AD7899 operates from a single 5V supply and features a successive approximation register (SAR) architecture, which enables a conversion time of 2.2 µs and a throughput rate of up to 400 kSPS. The device includes a track/hold amplifier, an on-chip clock oscillator, and signal conditioning circuitry, ensuring reliable and efficient data conversion.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer Part Number | AD7899ARSZ-3REEL |
| Number of Bits | 14 |
| Sampling Rate (Per Second) | 400 kSPS |
| Conversion Time | 2.2 µs |
| Supply Voltage | 5V ± 5% |
| Power Consumption | 80 mW (typ), 20 µW (power-down mode) |
| Input Type | Single-Ended |
| Analog Input Ranges | ±10 V, ±5 V, ±2.5 V, 0 V to 2.5 V, 0 V to 5 V |
| Reference Type | External, Internal |
| Package / Case | 28-SSOP (0.209", 5.30mm Width) |
| Operating Temperature | -40°C to 85°C |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
Key Features
- Fast Conversion Time: 2.2 µs successive approximation ADC, allowing throughput rates of up to 400 kSPS.
- Low Power Consumption: Operates at 80 mW typical, with a power-down mode consuming 20 µW.
- High-Speed Parallel Interface: Compatible with both 3V and 5V processors, microcontrollers, and digital signal processors.
- Overvoltage Protection: Protects analog inputs from overvoltage conditions without damaging the part.
- Single Supply Operation: Operates from a single 5V supply.
- 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.
- Track/Hold Acquisition Time: 0.3 µs track/hold acquisition time.
- Lead Free and RoHS Compliant: Ensures environmental sustainability and compliance with regulatory standards.
Applications
- Data Acquisition Systems: Ideal for high-speed data acquisition in various industrial and scientific applications.
- Medical Imaging Systems: Used in medical imaging equipment due to its high accuracy and reliability.
- Portable and Battery-Powered Devices: Suitable for low-power and portable applications requiring efficient data conversion.
- Industrial Automation: Employed in industrial automation systems where fast and accurate data conversion is crucial.
- Aerospace and Defense: Used in aerospace and defense applications requiring high reliability and performance.
Q & A
- What is the resolution of the AD7899ARSZ-3REEL ADC?
The AD7899ARSZ-3REEL has a 14-bit resolution.
- What is the maximum sampling rate of the AD7899ARSZ-3REEL?
The maximum sampling rate is 400 kSPS.
- What is the typical power consumption of the AD7899ARSZ-3REEL?
The typical power consumption is 80 mW, with a power-down mode of 20 µW.
- What are the available analog input ranges for the AD7899ARSZ-3REEL?
The device accepts analog input ranges of ±10 V, ±5 V, ±2.5 V, 0 V to 2.5 V, and 0 V to 5 V.
- Does the AD7899ARSZ-3REEL have overvoltage protection?
- What type of interface does the AD7899ARSZ-3REEL use?
The device uses a high-speed parallel interface compatible with both 3V and 5V processors.
- What is the operating temperature range of the AD7899ARSZ-3REEL?
The operating temperature range is -40°C to 85°C.
- Is the AD7899ARSZ-3REEL lead free and RoHS compliant?
- What is the package type of the AD7899ARSZ-3REEL?
The device is packaged in a 28-SSOP (0.209", 5.30mm Width).
- What is the moisture sensitivity level (MSL) of the AD7899ARSZ-3REEL?
The MSL is 3 (168 Hours).
