Dear All
I need to quickly switch “On” and “Off” a predefined DC level but to do that in four channels synchronously. The TS3V330 video switch seems to satisfy the requirements:
- About 2ns rising/falling edge of the switch output pulse;
- Low Ton/Toff times ~6 ns;
- Low On resistance ~5 Ohms.
There are a few questions manly related to the variability of the parameters quoted in the datasheet. Please, find below my questions and some additional comments:
- The practical test I made showed that TS3V330 can achieve rising and falling times that are about 2ns. Is there any variability of this parameter between the channels in the same chip? What is the variability between different chips/batches?
- What is the Δron (on state resistance match between the channels)? Even a coarse value will be highly appreciated.
- Do the ranges of the Ton/Toff times given in the datasheet concern the variations between the channels in the same chip or between different chips/batches?
- What is the minimum control pulse width (IN input) that can reliably drive the switches taking into account the Ton/Toff times? Any specifics one has to know to estimate it (apart from the time parameters/delays)?
- Can one expect significant variation of the Ton/Toff/Trise/Tfall times as a function of the temperature?
- Can one assume that having the four switches in the same chip guarantees to some extend a relative match of their parameters?
Thank you very much for your time and help.
Andrey