參數(shù)資料
型號(hào)： AD628ARZ-RL
廠商： ANALOG DEVICES INC
元件分類(lèi)： 運(yùn)動(dòng)控制電子
英文描述： High Common-Mode Voltage, Programmable Gain Difference Amplifier
中文描述： OP-AMP, 1500 uV OFFSET-MAX, PDSO8
封裝： ROHS COMPLIANT, MS-012AA, SOIC-8
文件頁(yè)數(shù)： 17/20頁(yè)
文件大?。?/td> 298K
代理商： AD628ARZ-RL
AD628
Rev. F | Page 17 of 20
5
1
3
4
8
2
7
+Vs
–Vs
6
–IN
+IN
V
REF
100k
10k
100k
10k
10k
A1
A2
4
5
6
3
1
2
SCLK
SDATA
CS
GND
VDD
V
IN
AD628
SERIAL DATA
REF195
+12V
V
OUT
V
IN
2
3
4
6
C
FILT
R
G
10
μ
F
0.1
μ
F
10
μ
F
0.1
μ
F
10
μ
F
0.1
μ
F
10
μ
F
0.1
μ
F
AD7940
+/–10V
15nF
2
3
1
AD8606
1/2
49.9
33nF
+12V
–12V
10k
10k
AD628 REFERENCE VOLTAGE
R
EXT2
10k
R
EXT1
15k
AD8606
2/2
5
6
7
4
8
0
Figure 32. Level Shifter
CURRENT LOOP RECEIVER
Analog data transmitted on a 4 to 20 mA current loop can be
detected with the receiver shown in Figure 33. The AD628 is an
ideal choice for such a function because the current loop is
driven with a compliance voltage sufficient to stabilize the loop,
and the resultant common-mode voltage often exceeds com-
monly used supply voltages. Note that with large shunt values, a
resistance of equal value must be inserted in series with the
inverting input to compensate for an error at the noninverting
input.
MONITORING BATTERY VOLTAGES
Figure 34 illustrates how the AD628 is used to monitor a battery
charger. Voltages approximately eight times the power supply
voltage can be applied to the input with no damage. The resistor
divider action is well-suited for the measurement of many
power supply applications, such as those found in battery
chargers or similar equipment.
6
8
1
4
5
7
2
3
AD628
+15V
+2.5V
9.53k
Ω
–15V
10k
Ω
0V TO 5V
TO ADC
I = 4 TO 20mA
100k
Ω
210k
Ω
100k
Ω
100k
Ω
249
Ω
V
CM
= 15V
10k
Ω
10k
Ω
249
Ω
0
Figure 33. Level Shifter for 4 to 20 mA Current Loop
相關(guān)PDF資料
PDF描述
AD629ANZ High Common-Mode Voltage, Difference Amplifier
AD629ARZ High Common-Mode Voltage, Difference Amplifier
AD629ARZ-R7 High Common-Mode Voltage, Difference Amplifier
AD629ARZ-RL High Common-Mode Voltage, Difference Amplifier
AD629BNZ High Common-Mode Voltage, Difference Amplifier
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AD629AN 功能描述:IC AMP DIFF 25MA LDRIFT 8DIP RoHS:否 類(lèi)別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類(lèi)型:通用 電路數(shù):1 輸出類(lèi)型:滿(mǎn)擺幅 轉(zhuǎn)換速率:0.11 V/µs 增益帶寬積:350kHz -3db帶寬:- 電流 - 輸入偏壓:4nA 電壓 - 輸入偏移:20µV 電流 - 電源:260µA 電流 - 輸出 / 通道:20mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 36 V，±1.35 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SO 包裝:帶卷 (TR)
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