Semtech EB-GS2971 - Power and AES Drivers

EB-GS2971
Evaluation Board User Guide
52169 - 2 June 2012
12 of 22
Proprietary & Confidential
2.4 Power and AES Drivers
Figure 2-4: Power and AES Drivers Schematics
GND
C70
0.1u
C95
0.1u
C85
10n
C65
0.1u
C87
1u
5V
J24
5V Input
C92
0.1u
C39
33u
C40
22u
A
3
B
4
R
5
GND
2
Vcc
1
110R
U19
SN65LVDT2
C93
0.1u
R57
240R
A
3
B
4
R
5
GND
2
Vcc
1
110R
U20
SN65LVDT2
R96
49.9K
A
3
B
4
R
5
GND
2
Vcc
1
110R
U18
SN65LVDT2
IN
8
SHDN
5
AGND
4
PGND
6
SENSE
3
OUT
2
NC
1
NC
7
U4
LT3021ES8-1.2
R6
1.15K
PWR
VCCA
1
GND
2
A
3
B
4
DIR
5
VCCB
6
SN74LVC1T45DRLR
U15
PWRGD_3V3
C58
0.1u
C86
22u
AES AUDIO OUT
C94
0.1u
C63
0.1u
R3
3.57K
C3
22u
VCC_5V
IN
5
IN
6
IN
7
IN
8
BIAS
10
PG
9
OUT
1
OUT
18
OUT
19
OUT
20
NC
17
FB
16
EN
11
SS
15
GND
12
NC
13
NC
14
NC
2
NC
3
NC
4
Pad
U14
TPS74201_RGW
D11
LNJ311G8PRA
A
3
B
4
R
5
GND
2
Vcc
1
110R
U17
SN65LVDT2
GND
GND
VCC_3.3V
GND
GND
GND
VCC_3.3V
GND
GND GND
GND
VCC_3.3V
GND GND
GND
VCC_3.3V
GND
VCC_5V_In
GNDGND
GND
VCC_3.3V_reg
VCC_5V
VCC_3.3V
+1.2V
GND
GND
VCC_5V
GND
VCC_3.3V_reg
GND
D101
3.6V
VCC_MB
R100
240R
3.3V MB
D102
LNJ311G8PRA
GND
C84
0.1u
C88
33u
He at s in k
on copper
IN
8
SHDN
5
AGND
4
PGND
6
SENSE
3
OUT
2
NC
1
NC
7
U22
LT3021ES8-1.8
500mA
VCC_3.3V
VCC_1.8V
C90
1u
GND
GND
D100
3.6V
VCC_3.3V
VCC_3.3V
3
2
1
J100
PJ-202AH
1
2
3
4
5
6
7
8
SW100
SW SLIDE-D P3T
F101
0603L035
C102
470u
VCC_3.3V
VCC_MB
TP2
VCC_3.3V_reg
C36
EEV-FK1C221XP
VCC_3.3V
VCC_MB_F
VCC_MB_F
AOUT_1/2
VCC_5V_In
PWRGD_3V3
AOUT_3/4
VCC_5V
AOUT_5/6
VCC_MB
VCC_LED
AOUT_7/8
5V
5V Ext
5V EB
GND
3.3V FPGA
AES Ch 1_2
AES Ch 3_4
AES Ch 5_6
He at s in k
on copper
AES Ch 7_8
POWER SUPPLIES
500mA
C103
22u
+1.2V
AOUT_3/4
AOUT_5/6
AOUT_7/8
AOUT_1/2