1NTHRU 1N ELECTRICAL CHARACTERISTICS. Ratings at 25’C ambient temperature unless otherwise specified. Type. 1N 1N 1N 1N Zener Diodes are available at Mouser Electronics. Mouser offers inventory, pricing, & datasheets for 1N Zener Diodes. 1N THRU 1N TA = 25°C. IR mA. Maximum regulator current(2). IZM mA. 1N . This datasheet has been download from.
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The small signal output impedance is due to the op-amp open-loop gain not being infinite. Home Questions Tags Users Unanswered.
1N Datasheet(PDF) – Comchip Technology
Email Required, but never shown. And as a result this internal output impedance would behave like the ”series” resistor or that’s incorrect?
I tried that on real circuits with TL Adtasheet and the same happened. So, what exactly is going on in this circuit? Even feedback resistors can be regarded as a load – anything that takes current from the output pin. This means that there is current limiting built in.
1N Datasheet PDF –
Tony EE rocketscientist 62k 2 21 Shouldn’t a zener have datasheeh series resistor in order to clamp correctly? Here I have the image of a signal in the output of U2, and the output is shown in green in the graph sorry for the poor quality. Now I have the same circuit but with that 1N zener connected across and the output signal behaves like below: Yet, the real question is I don’t get the fact the zener is being able to clamp the output voltage without a resistor in series with it.
Not sure if this answers your comment? I’ve also checked the TL output resistance and it’s about 0. I wouldn’t see it so easily like you did in the datasheet, thank you very much. In my understanding the zener should face the whole sinusoidal wave since there’s no resistor in series to share the remaining voltage with. If you have 11n4728 simulator handy it’s easy to simulate.
Thank you for any help. Looking at Figure 7 the positive current limit applicable to your design datasheef 20 mA but temperature dependent. Sign up or log in Sign up using Google.
I guess I’ve gotten the idea.
It’s a calculated graph based on the open-loop gain graph datzsheet the amount of gain a particular op-amp may be configured for. As the zener voltage starts to be exceeded, the load resistance that it produces drops rapidly down to a few tens of ohms so, as per datqsheet graph above you would expect the voltage to become clamped at around the zener point.
It has been clearer since the first comment up to now. What exactly would be the loading in this case?
It made my thoughts clearer now. I know it’s not clearly stated that it is for small signals but it’s something that you get used to seeing and understanding. I would design for 10 mA maximum.