FN7386.6 July 7, 2009 Differential Output Instrumentation Amplifier The addition of a third amplifier to the conventional three amplifie" />
參數(shù)資料
型號(hào): EL5157IWZ-T7
廠商: Intersil
文件頁(yè)數(shù): 5/17頁(yè)
文件大?。?/td> 0K
描述: IC AMP VFA 600MHZ SGL SOT23-5
標(biāo)準(zhǔn)包裝: 1
放大器類型: 電壓反饋
電路數(shù): 1
轉(zhuǎn)換速率: 700 V/µs
增益帶寬積: 210MHz
-3db帶寬: 600MHz
電流 - 輸入偏壓: 400nA
電壓 - 輸入偏移: 500µV
電流 - 電源: 6mA
電流 - 輸出 / 通道: 140mA
電壓 - 電源,單路/雙路(±): 4.5 V ~ 12 V,±2.25 V ~ 6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: SC-74A,SOT-753
供應(yīng)商設(shè)備封裝: SOT-23-5
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: EL5157IWZ-T7DKR
13
FN7386.6
July 7, 2009
Differential Output Instrumentation Amplifier
The addition of a third amplifier to the conventional three
amplifier instrumentation amplifier introduces the benefits of
differential signal realization, specifically the advantage of
using common mode rejection to remove coupled noise and
ground potential errors inherent in remote transmission. This
configuration also provides enhanced bandwidth, wider
output swing and faster slew rate than conventional three
amplifier solutions with only the cost of an additional
amplifier and a few resistors.
FIGURE 36. SALLEN KEY HIGH PASS FILTER
Equations simplify if we let
all components be equal to R = C
+
-
V+
V-
V2
5V
L1
10H
L1
10H
R6
1k
Ω
C5
1nF
C4
1nF
VOUT
R7
1k
Ω
V3
5V
R1
1k
Ω
R2
1k
Ω C2
1nF
V1
C1
1nF
C5
1nF
R5
1k
Ω
C3
1nF
RA
1k
Ω
RB
1k
Ω
TUNED POWER
BYPASS NETWORK
TUNED POWER
BYPASS NETWORK
wo
1
R1C1R2C2
-----------------------------------
=
Q
1
1K
R1C1
R2C2
---------------
R1C2
R2C1
---------------
R2C2
R1C1
---------------
++
--------------------------------------------------------------------------------------------
=
Holp
K
=
Holp
K
4K
-------------
=
wo
2
RC
---------
=
Q
2
4K
-------------
=
+
-
+
-
+
-
eo
eo4
eo3
REF
R3
R2
RG
A2
e2
A4
A3
R3
A1
e1
+
-
eo3
12R2 RG
+
() e
1
e2
()
=
eo4
12R2 RG
+
() e
1
e2
()
=
eo
21 2R2 RG
+
() e
1
e2
()
=
BW
2fC1 2
,
ADi
------------------
=
ADi
21 2R2 RG
+
()
=
EL5156, EL5157, EL5256, EL5257
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