1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
K
K
J
J
I
I
H
H
G
G
F
F
E
E
D
D
C
C
B
B
A
A
DSP
Section:
Product(s):
DSP.SchDoc
M1950
2
3
Sheet
Of
PCB#:
Rev#:
Modified:
V01
File:
2021-03-03
SA115S/SA221S
EML Rev#:
V01
Tmp Rev:
V031
GAIN
GROUND GNDA
NODES ON
POWER AMP
3K32
0805
R176
1K5
R10
50V
100N
0805
C134
+VPS
VREFL
50V
100N
0805
C30
VREFL
AVERAGE POWER SELECT
499R
0805
R11
499R
499R
0805
R27
499R
0805
R9
DGGND
CLIP
XLIM
TLIM
DGGND
+3V3
VSS
50V
100N
C34
CODEC
INPUT1
OUTPUT1
INPUT2
VSS
4
9
R
9
0
60
3
R
8200NH
L6
100N
0805
50V
C29
10U
0805
10V
C18
+3V3
+3V3POT
VREFL
+3V3POT
DGGND
VREFL
50V
100N
C21
+3V3
DGGND
25V
1U
C22
1206
25V
C27
100N
0805
50V
C28
+3V3
DGGND
50V
100N
C25
+3V3
DGGND
25V
1U
C26
50V
100N
0805
C23
+3V3
DGGND
1206
25V
1U
C24
50V
100N
C47
+3V3
DGGND
25V
1U
C46
ELE 8mm
C55
RAD
6V3
470U
C6
3K74
0805
R2
1K21
0R27
1206
R15
DO214AC
B160-13-F
D1
220UH
8152
L3
GND
GND
GND
GND
+5V SUPPLY
STEP DOWN
CONVERTER
+15SUPPLY
FOR U1 DSP
+5V
GNDA
GND
TO92
LP2950-33
7012
U5
TO92
LP2950-33
7012
U6
63V
100N
RAD .2in
C16
63V
100N
RAD .2in
C42
DGGND
+3V3
+3V3CD
VSS
FROM MAIN SUPPLY
25V
1206
C35
DGGND
VSS
TP1
TP12
TP7
+3V3CD
+3V3
DGGND
PUT BESIDE EACH OTHER
TP10
ADC1_MP/DP
ANALOG TP'S
NET TIE
RAD .2in
C41
R
A
D
F
IL
M
C
L
O
S
E
T
O
M
IC
R
O
RAIL SENSE
TP8
+5V
VOLTAGE
TEST POINTS
100K
0805
R177
0805
C43
0805
C44
DGGND
DGGND
SO8
U2
TP13
GND
0603
50V
470P
C32
ACTIVE
249R0
0805
R35
7967
L11
+15V
TP14
VSS
47R
0805
R20
0805
C45
OUTPUT2
GND
VSS
8200NH
L7
63V
100N
RAD .2in
C11
ALUMINUM
SPACER
TO CHASSIS
GNDA
50V
100N
0805
C135
VREFL
4K7
0805
R44
W2-PIN2
U3
50V
100N
C12
RAD .2in
C8
+3V3CD
+3V3
4189
S4
DGGND
10K00
R24
VSS
VSS
VSS
DGGND
+3V3POT
+3V3
10K00
0805
R25
N1
W5
Program
+3V3
DGGND
RESET
SWD_DIO
SWD_CLK
HEADER
PROGRAM
+3V3
DGGND
W3:10
RESET
SWD_DIO
SWD_CLK
GRN
.
7031
LD6
YEL
.
7032
LD2
YEL
.
7032
LD4
7033
LD3
750R
0805
R1
750R
0805
R14
750R
0805
R8
50V
100N
0805
C1
DGGND
LEDSOFF
POWER LED
GRN
.
7031
LD1
249R0
R36
LED
DO214AC
B160
D4
4K7
0805
R29
+3V3
10K00
0805
R26
1K02
0805
R178
U
P
D
O
W
N
3522
S1:1
3
5
2
2
U
P
D
O
W
N
3522
S1:2
3
5
2
2
GND
GND
DOWN SA221S
K
1
:3
+15V
10K00
0805
R66
S
O
T
-2
3
MMBT5401
7837
Q1
DGGND
47K
0805
R69
47K
R70
SOT-23
Q3
SOT-23
Q2
10K00
R67
SOD-323
18V0
D5
D1005
CDSF4148
D6
-15V
698R
R68
37K4
R41
37K4
R72
+3V3
DGGND
33R
R71
33R
R45
1206
C3
W8:1
W8:2
33R
0805
R46
AC CURRENT SENSE
P4:1
P4:2
D
B
10K
.
2339
P4:3
100N
50V
C4
CHSGND1
+15V
GNDA
+15V
GNDA
-15V
-15V
CHSGND1
CHSGND1
Summary of Contents for Synergy SA221S
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