73D02963C06-O
SHEET 2 OF 8
N.C.
Pull_Down
AI=IN*0.8193
Two options for loading ADC
Internal Reference of ADC is 4V(2V)
IN
N.C.
2.1
Reference 2.5V
R127
MC33272
U6
6
5
7
8
4
Not placed in the case of using internal reference
Analog Inputs
Q15
AGND
AGND
AD_GND
R126
R125
0
0
R124
0
0
R122
R123
0
R121
0
R119
0
10K
R22
R118
0
0
100.n
0
4
U2
REF192GS
GND
AGND
Ref_GND
DVai
R116
0
N.C.
C32
1u
100n
AGND
AGND
AGND
AGND
C49
C31
1u
100n
C48
AGND
AVai
AVee
R218
7.5K
3
1
8
4
R214
34K
AVai
AVee
U6
MC33272
2
R115
0
0
R114
R67
10K
C20
1u
100.n
C77
11
PWDN
12
REFM
14
REFP
15
SCLK
3
SDI
2
SDO
1
VCC
5
DVai
tlv2544idr
U1
A0
6
A1
7
A2
8
A3
9
CS
16
CSTART
10
EOC_INT
4
FS
13
GND
R120
AGND
Ref_GND
DVai
R117
0
C33
1u
AVai
AGND
Com1
Com2
Com3
Com4
IN_1
IN_2
IN_3
IN_4
Selected_input
Ref_GND
AGND
AI_Input_Stage
AN_1
AN_2
AN_3
AN_4
AN_VREF
AN_ZERO
C113
1.n
C34
AGND
AGND
100n
1u
P2-10
10
C80
P2-1
1
NC1
8
NC2
7
SHUT.
3
TP
1
TP1
5
VOUT
6
VPOS
2
C78
100.n
C79
R81
P2-2
2
10.K
4
P2-3
3
P2-5
5
P2-4
P2-6
6
8
P2-7
7
P2-9
9
P2-8
DGND
AN4_GND
AN3_GND
AN2_GND
AN1_GND
ANZ_GND
ANV_GND
DVai
10K
R23
R206
300.
Bat_GND
V_Normal
DGND
Q27
10.K
R83
Q7
51.p
C109
3.K
R94
Bat_GND
V_Normal
DGND
DVai
300.
R205
4
6
Q26
DS2
TLP112
1
5
3
R82
10.K
Q6
51.p
C108
V_Normal
DGND
DVai
R93
3.K
R562
300.
Bat_GND
Q25
1
5
3
4
6
DVai
DGND
DGND
TLP112
DS1
C205
100.n
3
GND
2
1
NC
4
5
VCC
TC7S14F
U26
5
EMI
3
NC
4
NC1
8
NC2
300.
R204
D3
1
ANODE
7
BASE
2
CATODE
6
COLL
Bat_GND
V_Normal
TP_SMD_60X60
TP1
IL205AT
10.K
Q9
R85
51.p
C111
3.K
R96
1
5
3
4
6
DGND
DS3
TLP112
R84
10.K
Q8
C110
51.p
R95
3.K
AN_1
AN_2
DIN_AI
CLK_AI
CS_AI
OUT_AI
VRF
AI
SCLK
SDI
SDI
SDO
AI
AN_3
AN_4
AN_VREF
AN_ZERO
VRF