參數(shù)資料
型號(hào): AD7707
廠商: Analog Devices, Inc.
英文描述: ECONOLINE: REC2.2-S_DR/H1 - 2.2W DIP Package- 1kVDC Isolation- Regulated Output- UL94V-0 Package Material- Continuous Short Circiut Protection- Internal SMD design- 100% Burned In- Efficiency to 75%
中文描述: 3 V / 5號(hào)第五,1毫瓦3 -10 V輸入范圍通道16位Σ-Δ模數(shù)轉(zhuǎn)換器
文件頁數(shù): 34/40頁
文件大小: 316K
代理商: AD7707
REV. A
AD7707
–34–
AD420
DAC
CONTROL
ROOM
AD7707
DV
DD
+5V
AIN2
REF IN(–)
AGND
MCLK IN
MCLK OUT
REF IN(+)
AV
DD
AIN1
LOCOM
2.5V
AIN3
VBIAS
HICOM
DGND
MICRO-
CONTROLLER
ACTUATOR/
VALVE
6
10V
SMART
VALVE/ACTUATOR
RSENSE
Figure 25. Smart Valve/Actuator Control Using the AD7707
AV
DD
REF IN
4.7
m
F
100k
V
MCLK IN
MCLK OUT
AD7707
MICROCONTROLLER UNIT
PID
RANGE SETTING
CALIBRATION
LINEARIZATION
OUTPUT CONTROL
SERIAL COMMUNICATION
HART PROTOCOL
V
CC
COM
V
CC
BOOST
REF OUT1
REF OUT2
REF IN
AD421
C1 C2 C3
COM
LOOP
RTN
COMP
DRIVE
4.7
m
F
0.01
m
F
0.1
m
F
2.2
m
F
DN25D
1k
V
1000pF
0.01
m
F
0.01
m
F
0.0033
m
F
SENSORS
RTD
mV
MAIN TRANSMITTER ASSEMBLY
4mA
TO
20mA
AGND
DGND
THERMOCOUPLE
6
V
AV
DD
AIN1
3V
1.25V
AIN2
AIN3
Figure 26. Smart Transmitter Using the AD7707
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