Designed for high performance and low cost, this part implements a dual-channel LNA architecture to achieve low noise in the AD604ARSZ. The AD604ARSZ has an amazingly low 1.2 nV/√Hz input-referred noise density, making it an essential part of clear high-quality transmit in medical ultrasound imaging and radar system applications[3]. This low noise density achieves a result that is 50% better than traditional amplifiers with values ranging from 2.5 to 3.5 nV/√Hz.
For medical imaging, like ultrasound systems, AD604ARSZ can amplify weak signals with minimal noise and increase the ability to pick up low echoes. This ratchets up the image fidelity and availability, which translates into higher diagnostic accuracy for practitioners as well as patients. Numerous major healthcare equipment manufacturers have included the AD604ARSZ inside their devices, leading to an over 20% improvement in image sharpness.
AD604ARSZ has a gain programmability which provides precise continuously adjustable gain from -11 dB to +51dB. Flexibility in gain: fewer chances of amplifying noise due to high sensitivity operation This amplifier features, at max gain, an ultra-wide bandwidth of 40 MHz which helps in getting accurate signal processing around fast/dynamic environment like seismic monitoring.
Temperature stability is also the key to low noise. AD604ARSZ incorporates sophisticated silicon processes which minimizes the temperature drift and keeps the noise floor stable under varying environmental conditions. Its stability enables dependable performance over its complete temperature range of -40°C to +85°C, which is particularly important for industrial and military products.
As the late Dr. Richard Lyons — perhaps our greatest signal processing expert ever — famously said: “modern amplifiers are defined by how accurately and quietly they can multiply their polars.” The AD604ARSZ follows this principle by using the state of the art differential architecture, which further eliminates common mode noise interference. This as such it become one of the most important solutions for communication systems, where high signal to noise ratio SNR is extremely crucial.
For instance, a defense contractor turned to the AD604ARSZ which enhanced the performance of its radar systems through greater sensitivity and increased detection range — about 30% — owing to lower signal degradation. It demonstrates that low noise characteristics of devices have direct implications on operational compliance in critical applications.
Visit the AD604ARSZ product page today to read specifications and details for purchase.