I'm using MCP6044 Quad OpAmp (Datasheet) for battery powered PIR sensor, it works fine but draws too much current. When I plug it to 3V source (VDD: 3V, VSS: GND) with no load it draws around 550uA, where I suppose it should be around 3uA (600nA/amp). Let me know if it's something wrong with chip or I do something incorrectly.
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7\$\begingroup\$ schematic would help \$\endgroup\$– user_1818839Jul 27, 2020 at 20:06
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4\$\begingroup\$ Also, are you actually measuring that low a current properly? \$\endgroup\$– DKNguyenJul 27, 2020 at 20:06
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\$\begingroup\$ What temperature is the amplifier? \$\endgroup\$– Voltage Spike ♦Jul 27, 2020 at 20:22
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2\$\begingroup\$ Are there any inputs or outputs connected, or are just floating and there really is only power pins connected? \$\endgroup\$– JustmeJul 27, 2020 at 20:27
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1\$\begingroup\$ Temperature of amplifier is around 27 C after 5 min of working \$\endgroup\$– ArksuJul 28, 2020 at 9:08