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2.4 Power and AES Drivers
POWER SUPPLIES
5V
5V
VCC_5V_In
J100
5V Ext
2
J24
1
5V EB
3
C36
PJ-202AH
EEV-FK1C221XP
3.3V FPGA
5V Input
GND
U14
VCC_5V
5
1
IN
OUT
6
20
IN
OUT
7
19
IN
OUT
8
18
IN
OUT
10
17
BIAS
NC
11
16
EN
FB
PWRGD_3V3
9
15
PG
SS
C87
C86
1u
22u
TPS74201_RGW
C85
10n
GND
VCC_3.3V
TP2
+1.2V
+1.2V
U4
LT3021ES8-1.2
8
2
IN
OUT
5
3
C40
SHDN
SENSE
C39
22u
33u
6
1
4 PGND
NC
7
AGND
NC
GND
GND
Heat sink
on copper
VCC_5V
VCC_3.3V_reg
U15
R96
1
6
VCCA
VCCB
VCC_5V
49.9K
2
5
GND
GND
DIR
R57
PWRGD_3V3
3
4
A
B
240R
SN74LVC1T45DRLR
LNJ311G8PRA
Figure 2-4: Power and AES Drivers Schematics
EB-GS2971
Evaluation Board User Guide
52169 - 2
June 2012
VCC_MB
SW100
VCC_5V_In
VCC_3.3V
5
1
VCC_5V
VCC_3.3V_reg
6
2
C102
VCC_MB
VCC_3.3V
7
3
470u
VCC_LED
VCC_MB_F
8
4
GND
SW SLIDE-DP3T
VCC_MB
0603L035
VCC_3.3V_reg
R3
3.57K
C3
22u
R6
1.15K
GND
GND
VCC_3.3V
500mA
U22
LT3021ES8-1.8
8
2
IN
OUT
5
3
SHDN
SENSE
C84
C90
1u
0.1u
6
1
PGND
NC
4
7
AGND
NC
GND
Heat sink
on copper
VCC_3.3V
R100
240R
D102
D11
LNJ311G8PRA
GND
GND
AES AUDIO OUT
VCC_3.3V
AOUT_1/2
D100
D101
C103
3.6V
3.6V
22u
GND
VCC_MB_F
F101
AOUT_3/4
AOUT_5/6
500mA
VCC_1.8V
C88
33u
GND
AOUT_7/8
VCC_3.3V
C70 0.1u
GND
U17
1
AOUT_1/2
C92 0.1u
A
Vcc
3
R 5
4
B
GND
2
SN65LVDT2
GND
GND
VCC_3.3V
C58 0.1u
GND
U18
1
AOUT_3/4
C93 0.1u
3
A
Vcc
R 5
4
B
GND
2
SN65LVDT2
GND
GND
VCC_3.3V
C63 0.1u
GND
U19
1
AOUT_5/6
C94 0.1u
A
3
Vcc
R 5
4
B
GND
2
SN65LVDT2
GND
GND
VCC_3.3V
C65 0.1u
GND
1
U20
AOUT_7/8
C95 0.1u
3
A
Vcc
R 5
4
B
GND
2
SN65LVDT2
GND
GND
Proprietary & Confidential
AES Ch 1_2
AES Ch 3_4
AES Ch 5_6
AES Ch 7_8
12 of 22
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