AMC1100 Datasheet, PDF (13/22 Pages) Texas Instruments – Fully-Differential Isolation Amplifier for Energy Metering

AMC1100
www.ti.com
SBAS562 – APRIL 2012
As shown in Figure 33, it is recommended to place the bypass and filter capacitors as close as possible to the AMC1100 to ensure best performance.
Top View
VDD1
VDD2
To Shunt
12 W
SMD 0603
12 W
SMD 0603
330 pF
SMD
0603
0.1 mF
SMD
1206
VINP
VINN
Device
VOUTP
VOUTN
0.1mF
0.1 mF
SMD
S1M206D
1206
To Filter or ADC
GND1
GND2
LEGEND
Top layer; copper pour and traces
High-side area
Controller-side area
Via
Clearance area.
Keep free of any
conductive materials.
Figure 33. AMC1100 Layout Recommendation
To maintain the isolation barrier and the common-mode transient immunity (CMTI) of the device, the distance between the high-side ground (GND1) and
the low-side ground (GND2) should be kept at maximum; that is the entire area underneath the device should be kept free of any conducting materials.
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Product Folder Link(s): AMC1100
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