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Analog Devices Op Amp: The LT1210 results in slightly different headroom voltages from the power rails on the power and GND sides. Please tell me the reason.
device specifications. The headroom voltage is taken from the simplified schematic on page 13 of the datasheet.
Power supply side: VF+VSAT voltage (of npn Tr.)
GND side: VF+VSAT voltage (of pnp Tr.)
becomes.
The difference occurs because the npn Tr. and pnp Tr. have different Vf and VSAT characteristics.
Please refer to the graph in the data sheet "Output Saturation Voltage and Junction Temperature" for reference values.
(Published in December 2021)
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