The major difference between it and a Push Pull is the amount of current that it can sink or source. A Push Pull output is chosen when an Open Collector output will not work with the controller that is connected to the encoderĪ Totem Pole output is essentially the same as a Push Pull output however, it is the terminology commonly used when referring to a TTL device. This type of an output allows you to sink more current than a Totem Pole output and follow the input voltage. It can also help in increasing the distance in which a signal is transmitted.Ī Push Pull output is an output that allows you to connect either a sinking or sourcing circuit. A differential line driver will work both with a sinking or sourcing circuit. A differential line driver also allows you to sink or source more current then a Totem Pole output. A differential line driver is used to help increase noise immunity. A differential output refers to the fact that each channel has a complement channel, i.e.
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