AD7707 Analog Devices, AD7707 Datasheet - Page 44
AD7707
Manufacturer Part Number
AD7707
Description
Manufacturer
Analog Devices
Datasheet
1.AD7707.pdf
(52 pages)
Specifications of AD7707
Resolution (bits)
16bit
# Chan
3
Sample Rate
n/a
Interface
Ser,SPI
Analog Input Type
Diff-Uni,SE-Bip
Ain Range
Bip (Vref)/(PGA Gain),Bip 10V,Bip 5.0V,Uni (Vref)/(PGA Gain),Uni 10V,Uni 5.0V
Adc Architecture
Sigma-Delta
Pkg Type
SOIC,SOP
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AD7707BRUZ
Manufacturer:
ADI
Quantity:
1 000
Part Number:
AD7707BRUZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Company:
Part Number:
AD7707BRUZ-REEL7
Manufacturer:
ADI
Quantity:
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Part Number:
AD7707BRZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
AD7707
THERMOCOUPLE
SENSORS
RTD
mV
V
AV
AIN1
AIN2
AIN3
DD
AGND
AD7707
DV
DD
MCLK OUT
AD420
CONTROL
DAC
REF IN(–)
MCLK IN
DGND
REF IN(+)
ROOM
4.7µF
Figure 26. Smart Valve/Actuator Control Using the AD7707
VALVE/ACTUATOR
ACTUATOR/
VALVE
Figure 27. Smart Transmitter Using the AD7707
100kΩ
SMART
+2.5V
Rev. B | Page 44 of 52
±10V
RSENSE
MICROCONTROLLER UNIT
•PID
•RANGE SETTING
•CALIBRATION
•LINEARIZATION
•OUTPUT CONTROL
•SERIAL COMMUNICATION
•HART PROTOCOL
+5V
V
VBIAS
HICOM
LOCOM
AIN2
AIN3
REF IN(+)
REF IN(–)
AGND
DGND
AIN1
CC
AV
AD7707
DD
COM
MAIN TRANSMITTER ASSEMBLY
DV
DD
3V
1.25V
MCLK OUT
MCLK IN
4.7µF
CONTROLLER
0.01µF
MICRO-
V
REF OUT1
REF OUT2
REF IN
C1 C2 C3
CC
0.01µF
2.2µF
AD421
0.1µF
0.0033µF
BOOST
COMP
DRIVE
LOOP
COM
RTN
DN25D
1000pF
0.01µF
1kΩ
4mA
TO
20mA