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A triangle like an op-amp but with a digital output.
Also known as: Voltage comparator, Analogue comparator, Triangle with two inputs
A comparator is drawn as a triangle identical to an operational amplifier's, and the two are not interchangeable: a comparator is built to slam its output to one rail or the other, while an op-amp is built to stay linear. Using one as the other produces a circuit that mostly works and oscillates.
Denotes a comparator: a device whose output indicates which of two input voltages is greater.
Contexts: Electrical equipment
Shares its triangular symbol with the operational amplifier, though the two are not interchangeable — a comparator has no frequency compensation and an op-amp is slow to saturate.
Contexts: Electrical equipment
Often has an open-collector output requiring an external pull-up resistor, which an op-amp does not.
Contexts: Electrical equipment
A triangle pointing right with two input lines entering its flat left side, marked plus and minus, and one output from its point.