參數(shù)資料
型號: EVAL-AD7712EB
廠商: Analog Devices, Inc.
英文描述: 0.1UF 50V +-20% 0805 X7R CERAMIC CAPACITOR
中文描述: LC2MOS信號調(diào)理模數(shù)轉(zhuǎn)換器
文件頁數(shù): 27/28頁
文件大?。?/td> 229K
代理商: EVAL-AD7712EB
2
–27–
REV. E
AD7712
CLOCK
GENERATION
SERIAL INTERFACE
OUTPUT
REGISTER
CHARGE-BALANCING A/D
CONVERTER
AUTO-ZEROED
MODULATOR
DIGITAL
FILTER
AD7712
AGND DGND
MODE SDATA SCLK
A0
MCLK OUT
MCLK IN
AIN1(+)
AIN1(–)
REF
IN (–)
REF
IN (+)
SYNC
4.5
m
A
A = 1 – 128
DRDY
TFS
RFS
REF OUT
2.5V REFERENCE
VOLTAGE
ATTENUATION
AIN2
STANDBY
CONTROL
REGISTER
V
SS
500
V
PGA
M
U
X
AV
DD
AV
DD
DV
DD
ANALOG +5V SUPPLY
V
BIAS
4–20mA
LOOP
Figure 21. 4–20 mA Loop Measurement Using the AD7712
APPLICATIONS
4–20 mA LOOP
The AD7712’s high level input can be used to measure the current
in 4–20 mA loop applications as shown in Figure 21. In this
case, the system calibration capabilities of the AD7712 can be
used to remove the offset caused by the 4 mA flowing through
the 500
resistor. The AD7712 can handle an input span as
low as 3.2
×
V
REF
(= 8 V with a V
REF
of +2.5 V) even though the
nominal input voltage range for the input is 10 V. Therefore, the
full span of the A/D converter can be used for measuring the
current between 4 mA and 20 mA.
相關(guān)PDF資料
PDF描述
EVAL-AD7713EB CAP CERAMIC 1.0UF 10V 10% X7R 0805 SMD
EVAL-AD7714-3EB 3 V/5 V, CMOS, 500 uA Signal Conditioning ADC
EVAL-AD7714-5EB 3 V/5 V, CMOS, 500 uA Signal Conditioning ADC
EVAL-AD7715-3EB 3 V/5 V, 450 uA 16-Bit, Sigma-Delta ADC
EVAL-AD7715-5EB 3 V/5 V, 450 uA 16-Bit, Sigma-Delta ADC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EVAL-AD7713EB 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS Loop-Powered Signal Conditioning ADC
EVAL-AD7714-3EB 制造商:Analog Devices 功能描述:EVALUATION BOARD - Bulk
EVAL-AD7714-3EBZ 功能描述:BOARD EVAL FOR AD7714 RoHS:是 類別:編程器,開發(fā)系統(tǒng) >> 評估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:- 產(chǎn)品培訓模塊:Obsolescence Mitigation Program 標準包裝:1 系列:- ADC 的數(shù)量:1 位數(shù):12 采樣率(每秒):94.4k 數(shù)據(jù)接口:USB 輸入范圍:±VREF/2 在以下條件下的電源(標準):- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板,軟件
EVAL-AD7714-5EB 制造商:Analog Devices 功能描述:EVALUATION BOARD - Bulk
EVAL-AD7715-3EB 制造商:AD 制造商全稱:Analog Devices 功能描述:3 V/5 V, 450 uA 16-Bit, Sigma-Delta ADC