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參數(shù)資料
| 型號： | AD628ARZ |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 運動控制電子 |
| 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 |
| 文件頁數(shù)： | 18/20頁 |
| 文件大?。?/td> | 298K |
| 代理商： | AD628ARZ |
AD628
Rev. F | Page 18 of 20
+IN
–IN
G = +0.1
10k
Ω
A1
–IN
100k
Ω
+V
S
5V
V
REF
–V
S
+IN
–IN
A2
OUT
AD628
100k
Ω
10k
Ω
OTHER
BATTERIES IN
CHARGING
CIRCUIT
CHARGING
CIRCUIT
+1.5V
BATTERY
10k
Ω
+IN
nV
BAT
(V)
R
EXT1
10k
Ω
0V TO 5V
TO ADC
C
FILT
R
G
0
Figure 34. Battery Voltage Monitor
FILTER CAPACITOR VALUES
Connect a capacitor to Pin 4 (C
FILT
) to implement a low-pass
filter. The capacitor value is
( )
15.9/
t
f
C
=
where
f
t
is the desired 3 dB filter frequency.
Table 7 shows several frequencies and their closest standard
capacitor values.
Table 7. Capacitor Values for Various Filter Frequencies
Frequency (Hz)
Capacitor Value (μF)
10
1.5
50
0.33
60
0.27
100
0.15
400
0.039
1 k
0.015
5 k
0.0033
10 k
0.0015
KELVIN CONNECTION
In certain applications, it may be desirable to connect the
inverting input of an amplifier to a remote reference point.
This eliminates errors resulting in circuit losses in interconnect-
ing wiring. The AD628 is particularly suited for this type of
connection. In Figure 35, a 10 kΩ resistor added in the feedback
matches the source impedance of A2. This is described in more
detail in the Gain Adjustment section.
+IN
–IN
A2
+V
S
5V
–IN
+IN
V
REF
OUT
CIRCUIT
LOSS
LOAD
+IN
–IN
G = +0.1
A1
AD628
–V
S
10k
Ω
10k
Ω
10k
Ω
100k
Ω
100k
Ω
V
S
/2
C
FILT
R
G
10k
Ω
0
Figure 35. Kelvin Connection
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD628ARZ-R7 | 功能描述:IC AMP PGA DIFF PREC 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:50 系列:LinCMOS™ 放大器類型:通用 電路數(shù):4 輸出類型:- 轉(zhuǎn)換速率:0.05 V/µs 增益帶寬積:110kHz -3db帶寬:- 電流 - 輸入偏壓:0.7pA 電壓 - 輸入偏移:210µV 電流 - 電源:57µA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):3 V ~ 16 V，±1.5 V ~ 8 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SOIC 包裝:管件 產(chǎn)品目錄頁面:865 (CN2011-ZH PDF) 其它名稱:296-1834296-1834-5 |
| AD628ARZ-RL | 功能描述:IC AMP PGA DIFF PREC 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:50 系列:- 放大器類型:通用 電路數(shù):2 輸出類型:滿擺幅 轉(zhuǎn)換速率:1.8 V/µs 增益帶寬積:6.5MHz -3db帶寬:4.5MHz 電流 - 輸入偏壓:5nA 電壓 - 輸入偏移:100µV 電流 - 電源:65µA 電流 - 輸出 / 通道:35mA 電壓 - 電源，單路/雙路(±):1.8 V ~ 5.25 V，±0.9 V ~ 2.625 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:10-MSOP 包裝:管件 |
| AD628-EVAL | 制造商:Analog Devices 功能描述:Evaluation Board For High Voltage Current Shunt Sensing |
| AD629 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Dual-Channel Audio Difference Amplifier |
| AD629_07 | 制造商:AD 制造商全稱:Analog Devices 功能描述:High Common-Mode Voltage, Difference Amplifier |
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