5962-9152101MXA Datasheet, PDF (14/16 Pages) Analog Devices – LC2MOS 4-Channel, 12-Bit Simultaneous Sampling Data Acquisition System

AD7874
V+
C3
LK1
SKT1
LK2
SKT2
LK3
IC3
78L05
C7
C4
IC1
C8
V_{DD AD713}
V_DD
V_{IN1 CONVST}
DB11
DB0
V_IN2
INT
CS
CONVST
SKT6
DATA BUS
SKT3
LK4
SKT4
V_SS
C1
C2
V–
IN
V_{IN3 IC2}
AD7874
A
IC5
IC5
V_IN4
RD
REF IN
B
A
AGND
B
REF
DGND _OUT
V_{SS CLK}
LK5
OUT
IC4
79L05
C5
A
B
C6 _CLK
SKT5
REFERENCE
SKT6
SKT8
11
22
8
+ 5V
5
23, 24
R2 R1
2
1
3
DGND
25, 26
Figure 20. Data Acquisition Circuit Using the AD7874
Figure 21. PCB Silkscreen for Figure 20
–14–
REV. C