Texas Instruments AMC1100 Evaluation Module AMC1100EVM AMC1100EVM 데이터 시트
제품 코드
AMC1100EVM
VOUT+
VOUT-
J4
1
2
7
6
R3
0 W
VDD1
C7
4.7 F
4.7 F
m
J1
2
1
isoGND
isoGND
D1
5.1 V
(Not installed)
5.1 V
(Not installed)
VDD2
C2
4.7
F
m
J3
1
2
Power Supplies
2.2
Analog Output
The analog output from the AMC1100EVM board is a fully-differential signal centered at VDD2/2. The
output is available on the two screw terminals of J4 as
output is available on the two screw terminals of J4 as
shows.
Figure 2. AMC1100EVM Schematic: Analog Output Section
3
Power Supplies
The AMC1100 requires two separate power rails, VDD1 and VDD2. VDD1 is on the high voltage side of
the amplifier. VDD2 is on the user side of the amplifier.
the amplifier. VDD2 is on the user side of the amplifier.
3.1
VDD1 Input
J1 provides access to the to the VDD1 supply. For power provided from high-side isolated rails, such as
from a gate drive supply, zener diode D1 may be installed by the user. Depending on the characteristics of
the zener diode, resistor R1 (default 0
from a gate drive supply, zener diode D1 may be installed by the user. Depending on the characteristics of
the zener diode, resistor R1 (default 0
Ω
) may need to be resized and replaced. The VDD1 supply should
be between 4.5 V
DC
and 5.5 V
DC
. The input power is shown in
.
Figure 3. VDD1 Input
3.2
VDD2 Input
The user side of the AMC1100 isolation amplifier is rated for 2.7 V
DC
to 5.5 V
DC
and is applied to the
amplifier using J3.
illustrates the power input for VDD2.
Figure 4. VDD2 Input Connector
3
SBAU196 – February 2012
AMC1100EVM
Copyright © 2012, Texas Instruments Incorporated