Single Supply Op Amp with Drive to True GND (TIPD145)

Single supply rail-to-rail amplifiers are commonly used in analog systems. In some cases it is important to have an amplifier output that drives very close to GND (i.e. a few microvolts). However, no amplifier can inherently drive this close to GND. This TI Precision Design shows a simple design modification that allows most standard single supply rail-to-rail amplifiers to drive very close to GND.


Drives output to true GND Avoids output swing limitations near GND using pull-down Single-Supply Solution


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Single Supply Op Amp with Drive to True GND TIPD145

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