OPA227 Datasheet, PDF (30/46 Pages) Burr-Brown (TI) – High Precision, Low Noise OPERATIONAL AMPLIFIERS

OPA227, OPA2227, OPA4227
OPA228, OPA2228, OPA4228
SBOS110B – MAY 1998 – REVISED JUNE 2015
10.2 Layout Example
VIN
RG
+
RF
VOUT
(Schematic Representation)
Run the input traces
as far away from
the supply lines
as possible
Place components
close to device and to
each other to reduce
parasitic errors
RG
GND
RF
Offset trim
±IN
VIN
+IN
V±
Offset trim
V+
OUTPUT
NC
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VS+
GND
Use low-ESR, ceramic
bypass capacitor
Use low-ESR,
ceramic bypass
capacitor
GND
VS±
VOUT
Ground (GND) plane on another layer
Figure 57. OPAx227 Layout Example
30
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