What is the dual supplie condition for TS393 comparator?

[jsmit.1]

I have q question about TS393 comparator.

Datasheet says : 

Wide single supply range 2.7 V to 16 V or dual supplies (±1.35 V to ±8 V)

I dont understand dual supplies condition.What does mean "dual supplies (±1.35 V to ±8 V)"?

[Peter BENSCH]

Welcome, @jsmit.1​, to the community!

The TS393 has two pins for the power supply: VCC- (pin 4) and Vcc+ (pin 8), but no pin for GND. The voltage difference between these two pins may be between Vmax=2.7-16V, whereby it doesn't matter whether you connect

• VCC- to GND and VCC+ to this voltage, i.e. Vmax (this is also called unipolar), or
• whether you work symmetrically to GND, i.e. VCC-= -Vmax/2 and VCC+=+Vmax/2 (bipolar).

You can only process signals that lie in the respective voltage range, i.e. approx. 0...Vmax for unipolar supply and -Vmax/2...+Vmax/2 for bipolar supply.

Does it answer your question?

Regards

/Peter