UG-1757
Rev. 0 | Page 12 of 17
OPTION TO SHORT AVSS TO GND => UNIPOLAR SUPPLY
ZENER CLAMPS VIN TO 15V IF A LARGER VOLTAGE IS APPLIED
VIN = 3V TO 15V
REFIN OPTIONS
VLOGIC SOURCE OPTIONS
TERMINAL BLOCK DECOUPLING CAPACITORS
0.1µF
REFGND
WHT
WHT
WHT
WHT
WHT
WHT
REFGND
GND
4.7µF
69157-102
BLK
0.1µF
REFGND
ADR4525BRZ
REFGND
REFGND
GND
RED
RED
RED
1.0µF
0.1µF
69157-102
4.7µF
4.7µF
GND
0
GND
GND
0.1µF
GND
BLK
GND
RED
BLK
0.1µF
REFIN
VLOGIC
JP3
JP1
JP5
GND6
GND5
GND4
GND3
GND2
REFOUT
ADR-REF
AVDD2_
AVSS
AVDD1
D1
JP17
R2
JP4
JP2
C11
C9
C8
GND1
AVDD1-AVDD2-SHRT
C4
C7
C5
C6
C3
C2
AVDD2
AVDD1/AVSS
U1
AVSS
GND
AVDD1
AVSS
REFOUT
ADR-REF
VLOGIC
ADR-REF
3.3V_SDP
AVDD2
VLDO
AVDD2
AVDD1
GND
REFIN
AVDD2
1
1
1
1
1
1
1
1
1
1
1
1
A
C
1
2
6
2
8
7
5
3
1
4
NC
NC
NC
NC
V
IN
GN
D
TP
V
OUT
2
314
6 -
0
15
OUT
OUT
OUT
OUT
OUT
OUT
IN
IN
IN
IN
IN
IN
1
2
1
2
1
21
2
1
2
1
2
1