Datasheet

Data Sheet AD7734
Rev. A | Page 31 of 32
+
10µF 0.1µF
+
10µF0.1µF
ANALOG
INPUTS
R=15.5kΩ
4 TO 20mA
0V TO 10V
–10V TO +10V
0V TO 5V
CLOCK
GENERATOR
MCLKIN
MCLKOUT
33pF 33pF
6.144MHz
AIN0(+)
BIAS0(+)
500R
7R
MUX
R
7R
24-BIT
Σ-∆ ADC
BUFFER
DV
DD
AIN3
BIAS3
R
7R
AIN2
BIAS2
R
7R
AIN1
BIAS1
REFIN(–)
REFIN(+)
AGND
10µF
+
0.01µF
+
10µF
AD780
VOUT+VIN
TEMP
+2.5V
AD7734
R
7R
SERIAL
INTERFACE
AND
CONTROL
LOGIC
SCLK
DIN
DOUT
CS
RDY
RESET
DGND
HOST
SYSTEM
BIASHI
BIASLO
AV
DD
AV
DD
DV
DD
DV
DD
AV
DD
Figure 29. Typical Connections for the AD7734 Application