MAX9725E Evaluation Kit
Evaluating the MAX9725A–MAX9725D
The MAX9725E EV kit can also evaluate the fixed-gain
MAX9725A, MAX9725B, MAX9725C, or MAX9725D ICs
after performing the following:
1) Replace U1 with the alternate MAX9725 IC.
2) Replace resistors R1 and R2 with 0 ? 0603 surface-
mount resistors.
3) Remove resistors R3 and R4.
VDD
FB3
FERRITE
VDD
C4
C3
PGND
4.7 μ F
R4
1 μ F
VINL
VINR
C5
1 μ F
C6
1 μ F
R1
10k ? OUTL
1%
R2
10k ? OUTR
1%
18.2k ?
1%
R3
18.2k ?
1%
A3
A4
B1
PGND
INL
INR
U1
MAX9725E
C2
V DD
OUTR
OUTL
C4
C3
OUTR
OUTL
FB1
FERRITE
FB2
FERRITE
OUTR
OUTL
4
2
1
OUT
VDD
A2
PV SS
SGND
SGND
SHDN
JU1
C2
1 μ F
B4
B2
V SS
SHDN
C1N
C1P
A1
C1
C1
1 μ F
Figure 1. MAX9725E EV Kit Schematic
R5
10k ?
1%
SGND
B3
_______________________________________________________________________________________
3
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相关代理商/技术参数
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