Part Number: OPA855-Q1 Other Parts Discussed in Thread: OPA855 We are developing Lidar by applying OPA855-Q1. OPA855-Q1 product bandwidth is 8GHz. The PD Bandwidth we are applying is 2GHz. We use the product at 100MHz. Is it possible for the product to operate…
Hi,
The reason you are seeing this disturbance is because the simulation is reaching an output limit. Although in a real-world scenario the device will saturate and reach a final level, the model is likely not clamping correctly. Despite the model error…
Part Number: OPA855 Other Parts Discussed in Thread: OPA858 Hi Team, I'm experiencing Bias issues when using Models from the OPA855 Unencrypted PSpice Model Package (Rev. D).
As shown in Fig. 1, it is an inverting amplifier with a gain of -10 V/V…
Part Number: OPA855 Hello,
I want to design an active high pass filter using OPA855 which starts amplifying arounf 45MHz and stops around 100MHz. I tried Sallen-key topology first but I faced some issues, then changed it to a simple High pass. It seems…
Hello Nick,
I have a similar problem. Can you please give me some advice?
I use OPA855 as a TIA. The SIPM's output voltage is 32mV, rise time is 1.3ns, capacitance is 555pF.
I calculate the bandwidth is 270MHz by the equation is rise time (tr)=0.35…
Part Number: OPA855 Hi,
Please see
OPA855: OPA855 Circuit Analysis and Debugging - Amplifiers forum - Amplifiers - TI E2E support forums
Can you confirm that you are driving the input with a 50 ohm impedance input source? If the input source has a different…
Hi Anurag,
Can you confirm that you are driving the input with a 50 ohm impedance input source? If the input source has a different impedance, the input will not be properly matched and you will see reflections that will result in distortion or instability…
Part Number: OPA855DSGEVM Other Parts Discussed in Thread: OPA855 I am designing a board with 4 OPA855 on a 4 layer board.
Looking at the evaluation board layout, it split the power plane and used the upper half for the positive(VS+) and the bottom half…
Part Number: OPA855 Hello, I'm using OPA855 for TIA(transimpedance amplifier) with avalanche photodidoe.
However my TIA circuit has the spikes with laser signals.
(I'm using laser diode '905D1S09S', Laser components. And laser diode driver 'PCO-7114…