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Broadcom ACPL-C740 User Manual page 10

Evaluation kit board isolated sigma-delta modulator

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ACPL-C740 Evaluation Kit Board User Guide
Figure 7: PCB Description
C740-SDM-EVBD Schematic Diagram
Figure 8: C740-SDM-EVBD Schematic Diagram
Vdd1
H3
U10
2
R1
0R
5
VOUT
1
+
C1
10 uF
4
NC
S-1200B50
GND1
P1
RSHUNT+
Rsm
Rshunt
10m
10m
DNM
DNM
P2
RSHUNT-
GND1
RF1
RF2
RUBBER
RUBBER
FOOTER
FOOTER
Broadcom
2.5V
Regulator
1
VIN
2
VSS
C2
C3
C4
3
0.1 uF
1 uF
10 uF
EN
DNM
GND1
R5
10R
R7
0R
C10
DNM
22 nF
+
C11
R6
10R
10 uF
RF3
RF4
RUBBER
RUBBER
FOOTER
FOOTER
1.2V
Regulator
3.3V
Regulator
T1
1:1.3
D1
6
1
MBR0520L
+
5
2
D2
4
3
MBR0520L
750313638
Vdd1
U1
1
8
VDD1
VDD2
2
7
VIN+
MCLK
3
6
VIN-
MDAT
4
5
GND1
GND2
ACPL-C740
C12
100 nF
GND1
8 mm Isolation
GND2
12
OUTA
11
SGND
10
OUTB
C5
1 uF
GND2
+
C8
GND2
10 uF
GND2
VDD2
R8
MCLK
R9
MDAT
R10
C13
C14
C15
+
0.1 uF
1 uF
10 uF
DNM
GND2
Isolated Sigma-Delta Modulator
C6
100 pF
U9
PE22100
4
EN
5
VREG
6
RSET
R2
C7
R3
82K
470 nF
0R
DNM
GND2
5VCC
R4
0R
C9
100 nF
5VCC
J5
1
2
0R
3
0R
4
0R
5
6
7
8
Header pin 1x8 RA
GND2
ACPL-C740-EvalKit-UG100
10

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