Overview
The AD8139ARDZ is an ultralow noise, high-performance differential amplifier manufactured by Analog Devices Inc. This device is distinguished by its rail-to-rail output, low noise, high Spurious-Free Dynamic Range (SFDR), and wide bandwidth. These characteristics make it an ideal choice for various high-precision signal processing applications.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage | ±5 V to ±15 V |
| Output Voltage Range | Rail-to-Rail |
| Noise (1 kHz to 10 kHz) | 2.2 nV/√Hz (typical) |
| Bandwidth | 350 MHz (G = 1), 200 MHz (G = 2) |
| Spurious-Free Dynamic Range (SFDR) | 85 dBc (typical at 10 MHz, G = 1) |
| Input Offset Voltage | ±1 mV (maximum) |
| Input Bias Current | ±10 μA (maximum) |
| Operating Temperature Range | -40°C to +85°C |
Key Features
- Ultralow Noise: The AD8139ARDZ features a low noise floor of 2.2 nV/√Hz, making it suitable for high-sensitivity applications.
- High SFDR: With an SFDR of 85 dBc at 10 MHz, this amplifier ensures high signal integrity and minimal distortion.
- Wide Bandwidth: It offers a bandwidth of up to 350 MHz, allowing for the amplification of high-frequency signals.
- Rail-to-Rail Output: The output voltage range extends to the supply rails, maximizing the dynamic range of the output signal.
- High Gain Accuracy: The device provides precise gain settings, making it reliable for applications requiring consistent signal amplification.
Applications
- High-Speed Data Acquisition Systems: The AD8139ARDZ is ideal for amplifying high-frequency signals in data acquisition systems.
- Medical Imaging Equipment: Its low noise and high SFDR make it suitable for medical imaging applications such as MRI and ultrasound.
- Test and Measurement Equipment: It is used in various test and measurement instruments where high signal fidelity is crucial.
- Audio and Video Equipment: The device can be used in professional audio and video equipment to enhance signal quality.
Q & A
- What is the typical noise level of the AD8139ARDZ?
The typical noise level of the AD8139ARDZ is 2.2 nV/√Hz in the 1 kHz to 10 kHz frequency range.
- What is the maximum bandwidth of the AD8139ARDZ?
The maximum bandwidth of the AD8139ARDZ is 350 MHz at a gain of 1.
- What is the SFDR of the AD8139ARDZ at 10 MHz?
The SFDR of the AD8139ARDZ at 10 MHz is typically 85 dBc.
- What is the operating temperature range of the AD8139ARDZ?
The operating temperature range of the AD8139ARDZ is -40°C to +85°C.
- What is the input offset voltage of the AD8139ARDZ?
The input offset voltage of the AD8139ARDZ is ±1 mV (maximum).
- What are some common applications of the AD8139ARDZ?
The AD8139ARDZ is commonly used in high-speed data acquisition systems, medical imaging equipment, test and measurement equipment, and professional audio and video equipment.
- What is the supply voltage range for the AD8139ARDZ?
The supply voltage range for the AD8139ARDZ is ±5 V to ±15 V.
- Does the AD8139ARDZ have rail-to-rail output?
Yes, the AD8139ARDZ has a rail-to-rail output, which maximizes the dynamic range of the output signal.
- What is the input bias current of the AD8139ARDZ?
The input bias current of the AD8139ARDZ is ±10 μA (maximum).
- Where can I find detailed specifications for the AD8139ARDZ?
Detailed specifications for the AD8139ARDZ can be found in the datasheet available on the Analog Devices website and other electronic component distributors like Digi-Key and Mouser.
