Analog Devices EVAL-ADAQ7767-1 User Manual page 13

User Guide
EVALUATION BOARD HARDWARE
Table 3. Default Links and Link Options (Continued)
Function
VDD2_ADC Supply
ADP5076 VR1 Positive Output
Voltage (P_BST)
ADP5076 VR1 Negative Output
Voltage (N_BST)
ADP7142 Output Voltage (INT_VDD) R91
ADP7182 Output Voltage (INT_VSS) R80
Reference Buffer A2
analog.com
Link Default Position
R16 0 Ω at R16
R67 0 Ω at R67
R68 R68 not placed
R69 R69 not placed
R61 0 Ω at R61
R66 R66 not placed
R71 R71 not placed
0 Ω at R91
R92 R92 not placed
R100 R100 not placed
0 Ω at R80
R82 R82 not placed
R85 R85 not placed
R20 11 Ω at R20
R19 R19 not placed
R26 R26 not placed
R18 R18 not placed
EVAL-ADAQ7767-1
Comment
The VDD2_ADC pin of the ADAQ7767-1 uses the internal
LDO regulator by default. Optionally, remove R16 and
connect the external supply to the VDD2_ADC turret.
P_BST is set at 17 V by default. Optionally, move 0 Ω to R68
to set P_BST = 26 V. In addition, set the
voltage, INT_VDD, to 24 V by moving the 0 Ω from R91 to
R92. Also, optionally move 0 Ω to R69 to set P_BST = 7 V. In
addition, set the ADP7142 output voltage, INT_VDD, to 5 V
by moving the 0 Ω from R91 to R100.
N_BST is set at −17 V by default. Optionally, move 0 Ω to
R66 to set N_BST = −26 V. In addition, set the
output voltage, INT_VSS, to −24 V by moving 0 Ω from R80
to R82. Also, optionally, move 0 Ω to R71 to set N_BST = −7
V. In addition, set the ADP7182 output voltage, INT_VSS, to
−5 V by moving 0 Ω from R80 to R85.
INT_VDD at 15 V by default. Optionally, move 0 Ω to R92 to
set INT_VDD = 24 V. In addition, set the ADP5076 positive
output voltage, P_BST, to 26 V by moving 0 Ω from R67 to
R68.Also, optionally move 0 Ω to R100 to set INT_VDD =
5 V. In addition, set the ADP5076 positive output voltage,
P_BST, to 7 V by moving 0 Ω from R67 to R69.
INT_VSS is at −15 V by default. Optionally, move 0 Ω to
R82 to set INT_VSS = −24 V. In addition, set the ADP5076
negative output voltage, N_BST, to −26 V by moving 0 Ω
from R61 to R66. Also, optionally, move 0 Ω to R85 to set
INT_VSS = −5 V. In addition, set the ADP5076 negative
output voltage, N_BST, to −7 V by moving 0 Ω from R61 to
R71.
Reference Buffer A2 is bypassed; the
reference) output directly connects to the ADAQ7767-1 by
default. Optionally, remove 11 Ω at R20 and insert 0 Ω at
R19, R26, and R18 to use the reference buffer.
ADP7142 output
ADP7182
ADR444 (voltage
Rev. 0 | 13 of 26