Description:Support is limited to customers who have already adopted these products.The EL5173 and EL5373 are single and triple high bandwidth amplifiers with a fixed gain of 2. They are primarily targeted for applications such as driving twisted-pair lines in component video applications. The inputs can be in either single-ended or differential form but the outputs are always in differential form. The output common mode level for each channel is set by the associated REF pin, which has a -3dB bandwidth of over 190MHz.
A good PCB layout for the EL5173ISZ involves keeping the input and output traces short and separate, using a solid ground plane, and placing decoupling capacitors close to the device. Additionally, it's recommended to use a low-ESR capacitor for the output filter and to minimize the loop area of the output stage.
To ensure stability, make sure to follow the recommended component values and layout guidelines in the datasheet. Additionally, ensure that the output capacitor is properly sized and that the feedback network is correctly configured. It's also important to verify that the device is operated within its recommended operating conditions.
The maximum allowed input voltage ripple for the EL5173ISZ is not explicitly stated in the datasheet, but as a general rule, it's recommended to keep the input voltage ripple below 10% of the nominal input voltage to ensure proper operation and minimize the risk of oscillation or instability.
The EL5173ISZ is rated for operation up to 125°C, but it's essential to consider the device's power dissipation and thermal management in high-temperature environments. Ensure that the device is properly heatsinked and that the maximum junction temperature is not exceeded.
To troubleshoot oscillations or instability issues, start by verifying that the device is operated within its recommended operating conditions and that the PCB layout follows the recommended guidelines. Check for proper decoupling, correct component values, and ensure that the output capacitor is properly sized. Use an oscilloscope to observe the output waveform and identify any signs of oscillation or instability.
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EL5173ISZ Overview
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