Analog Devices EVAL-AD4696FMCZ User Manual page 24

UG-1882
CHDR2 R137 R112
10K 0
R144
10K
AGND AGND
R139 R113
CHDR2
10K 0
R145
10K
AGND AGND
CHDR2 R75 R114
10K 0
R77
10K
AGND AGND
R76 R115
CHDR2
10K 0
R78
10K
AGND AGND
REFERENCE SOURCE OPTIONS
ON-BOARD OR EXTERNAL REFERENCE
3PINJUMPER_0603
JP11
1
REF_EXT
A
2 VREF
COM
3
5V_REF
B
DEFAULT POSITION: B
VREF
EXTERNAL REFERENCE TERMINAL BLOCK
P5
REF_EXT
1
2
KRM 02
AGND
DEFAULT POSITION: A
VREF R53
AGND
A4
2
-INA
R168 R172
1
OUTA
3
0 200
+INA
LT6237HMS8#TRPBF
R161
DNI 0
A4
6
-INB
R169 R173
7
OUTB
5
0 200
+INB
LT6237HMS8#TRPBF
R163
DNI 0
AGND
A5
2
-INA
R81 R83
1
OUTA
3
0 200
+INA
LT6237HMS8#TRPBF
R79
DNI 0
A5
6
-INB
R82 R84
7
OUTB
5
0 200
+INB
LT6237HMS8#TRPBF
R80
DNI 0
Figure 27. EVAL-AD4696FMCZ Driver Amplifier Schematic, IN8 to IN15
VREF/2 DIVIDER CIRCUIT
+VS_C
C53
0.1UF
AGND
A8
6
1 4 3
+IN
RN1
+VS
C56
5
R1 R2
DISABLE VOUT
0.1UF
2 3
4 -VS
-IN
10K/10K
2
AGND
ADA4807-1ARJZ
C54
-VS_C
C58
DNI
3PINJUMPER_0603 R55
JP2
+VS_C
1
A
2
COM
3
B
AGND
DC BIAS CH0-CH7
+VS_C
C55
0.1UF
AGND
3
0
2
R54 C52
POWER DOWN 8
0 DNI
DNI 2700PF
DEFAULT POSITION: A
AGND
3PINJUMPER_0603
JP3
+VS_C
1
A
2
COM
3
B
AGND
Figure 28. EVAL-AD4696FMCZ Buffer Schematic
ADC DRIVERS (B)
C44
180PF
IN8 CHDR2 R85
10K
R90
10K
AGND AGND
CHDR2 R86
IN9
10K
C45 R91
180PF 10K
AGND
AGND AGND
C46
180PF
IN10 CHDR2 R88
10K
R92
10K
AGND AGND
CHDR2 R89
IN11
10K
C47 R93
180PF 10K
AGND
AGND AGND
VREF
DNI
VREF/2
1 RCU-0C
R87 R29
1 VREF/2
200 0
C57
510PF
DEFAULT POSITION: A
AGND
0.1UF 3PINJUMPER_0603
JP4
AGND
COM
2700PF
0
U7
VREF
7
VS+ R57
CHDR1
6
V
OUT
VS- 0
4
ADA4841-1YRZ
C60
0.1UF AGND
-VS_C
C59
DNI 2700PF
R56
0
Rev. 0 | Page 24 of 28
EVAL-AD4696FMCZ
A6
2
-INA
1
OUTA
R116
3
+INA
0
LT6237HMS8#TRPBF
R94
DNI 0
A6
6
-INB
7
OUTB
R117
5
+INB
0
LT6237HMS8#TRPBF
R95
DNI 0
A7
2
-INA
R100
1
OUTA
R118
3
+INA
0
LT6237HMS8#TRPBF
R96
DNI 0
A7
6
-INB
R101
7
OUTB
R119
5
+INB
0
LT6237HMS8#TRPBF
R97
DNI 0
ON-BOARD REFERENCE BUFFER
R120
DNI 0
+VS_C
C62
0.1UF
AGND
A10
R59 6
3
+IN
100 10UF
+VS
5 1
R61 C65
DISABLE VOUT
DNI
-VS
4
0
-IN
2
ADA4807-1ARJZ
AGND
C63 0.1UF
AGND
+VS_C
1
A
-VS_C
2
C64
3
B
DNI 2700PF
AGND
R62
10
DC BIAS CH8-CH15
+VS_C
C69
0.1UF
AGND
R58
3
7
0 VS+
2
V
R60 C68 OUT
VS-
POWER DOWN 8
DNI DNI
ADA4841-1YRZ
4
0 2700PF
DEFAULT POSITION: A
AGND
3PINJUMPER_0603
JP5 C66
1
+VS_C
A
2
COM
3
B
-VS_C
AGND
DNI
User Guide
AGND
C48
180PF
R98 R102
IN12
0 200
R99 R103
IN13
0 200
C49
180PF
AGND
AGND
C50
180PF
R104
IN14
0 200
R105
IN15
0 200
C51
180PF
AGND
R64
REF
0
U9
R66
6 CHDR2
0
0.1UF
AGND
C67
2700PF
R63
0