EVAL-AD7902SDZ Datasheet, PDF (9/32 Pages) Analog Devices – On-board reference

EVAL-AD7902SDZ User Guide
(OPTIONAL)
V_IN = 9V
WALL ADAPTER
–V_S
GND
+V_S
(OPTIONAL)
VDD
GND
VSDP
POWER SUPPLY CIRCUITRY
ADP7104, ADP2301
+7.5V/–2.5V
2.5V
+7.5V 3.3V +5V
ADR435
VCM
5V
AD8031
VIN1+
VIN1–
ADA4841-1
+7.5V
–2.5V
+7.5V
ADA4841-1
–2.5V
AB
VDD1 REF1 VIO1
IN1+
SDI1
ADC1 ^SCK1
IN1–
SDO1
GND _CNV1
2.5V
5V
VIN2+
VIN2–
ADA4841-1 +7.5V
–2.5V
ADA4841-1 ^+7.5V
VDD2 REF2 VIO2
IN2+
SDI2
ADC2 ^SCK2
IN2–
SDO2
GND _CNV2
AB
–2.5V
AD7902/AD7903 PulSAR EVALUATION BOARD
GLUE
LOGIC
GLUE
LOGIC
+5V
ADSP-BF527
DSP
SPORT
SDP BOARD
Figure 16. Simplified Evaluation Board Functional Block Diagram
UG-608
Rev. 0 | Page 9 of 32