AD7874 Analog Devices, AD7874 Datasheet - Page 14

• Manufacturer Part Number: AD7874
• Description: LC2MOS 4-Channel/ 12-Bit Simultaneous Sampling Data Acquisition System
• Manufacturer: Analog Devices

AD7874
SKT1
SKT2
SKT3
SKT4
V +
V–
C3
C1
LK1
LK2
LK3
LK4
V
Figure 20. Data Acquisition Circuit Using the AD7874
SS
C4
C2
V
IN
DD
Figure 21. PCB Silkscreen for Figure 20
78L05
IC3
IC1
AD713
79L05
IC4
C5
V
V
V
V
DGND
AGND
OUT
IN2
IN3
IN4
IN1
C7
AD7874
V
SS
CONVST
IC2
REF IN
C8
–14–
V
DB11
C6
DB0
OUT
CLK
REF
DD
INT
RD
CS
SKT5
A
CLK
LK5
B
CONVST
SKT6
B
A
DATA BUS
REFERENCE
IC5
A
B
SKT6
IC5
R2
DGND
+
R1
5V
11
23, 24
1
25, 26
SKT8
22
3
5
2
8
REV. C