1 Features
• High precision:
– Offset drift: 0.01 μV/°C
– Low offset voltage: 1 μV
• Low quiescent current: 90 μA
• Excellent dynamic performance:
– Gain bandwidth: 750 kHz
– Slew rate: 0.35 V/μs
• Robust design:
– RFI/EMI filtered inputs
• Rail-to-rail input/output
• Supply range: 4.5 V to 24 V
• Temperature: –40°C to +125°C

2 Applications
• PC PSU and game console unit
• Merchant DC/DC
• Flow transmitter
• Pressure transmitter
• Merchant battery charger
• Electricity meter

3 Description
The OPA2186 is a low-power, 24-V, rail-to-rail input
and output zero-drift operational amplifier (op amp).
This amp features only 8 μV of offset voltage
(max) and 0.04 μV/°C of offset voltage drift over
temperature (max). This device is a great choice for
precision instrumentation, signal measurement, and
active filtering applications.
Low quiescent current consumption (90 μA) makes
the OPA2186 an excellent option for power-sensitive
applications, such as battery-powered instrumentation
and portable systems.
Moreover, the high common-mode architecture along
with low offset voltage allows for high-side current
shunt monitoring at the positive rail. This device
also provides robust ESD protection during shipment,
handling, and assembly.