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參數(shù)資料
| 型號： | EL5451ISZ |
| 廠商： | Intersil |
| 文件頁數(shù)： | 5/18頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC VFA QUAD 200MHZ 14-SOIC |
| 標(biāo)準(zhǔn)包裝： | 55 |
| 放大器類型： | 電壓反饋 |
| 電路數(shù)： | 4 |
| 轉(zhuǎn)換速率： | 100 V/µs |
| 增益帶寬積： | 40MHz |
| -3db帶寬： | 200MHz |
| 電流 - 輸入偏壓： | 20nA |
| 電壓 - 輸入偏移： | 500µV |
| 電流 - 電源： | 1.35mA |
| 電流 - 輸出 / 通道： | 70mA |
| 電壓 - 電源，單路/雙路(±)： | 5 V ~ 12 V，±2.5 V ~ 6 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 |
13
FN7384.7
January 16, 2008
Power Supply Bypassing Printed Circuit Board
Layout
As with any high frequency device, a good printed circuit
board layout is necessary for optimum performance. Lead
lengths should be as short as possible. The power supply
pin must be well bypassed to reduce the risk of oscillation.
For normal single supply operation, where the VS- pin is
connected to the ground plane, a single 4.7F tantalum
capacitor in parallel with a 0.1F ceramic capacitor from VS+
to GND will suffice. This same capacitor combination should
be placed at each supply pin to ground if split supplies are to
be used. In this case, the VS- pin becomes the negative
supply rail.
Printed Circuit Board Layout
For good AC performance, parasitic capacitance should be
kept to a minimum. Use of wire wound resistors should be
avoided because of their additional series inductance. Use
of sockets should also be avoided if possible. Sockets add
parasitic inductance and capacitance that can result in
compromised performance. Minimizing parasitic capacitance
at the amplifier's inverting input pin is very important. The
feedback resistor should be placed very close to the
inverting input pin. Strip line design techniques are
recommended for the signal traces.
Application Circuits
Sallen Key Low Pass Filter
A common and easy to implement filter taking advantage of
the wide bandwidth, low offset and low power demands of
the EL5150. A derivation of the transfer function is provided
for convenience (see Figure 41).
Sallen Key High Pass Filter
Again, this useful filter benefits from the characteristics of the
EL5150. The transfer function is very similar to the low pass
so only the results are presented (see Figure 42).
FIGURE 41. SALLEN KEY LOW PASS FILTER
K
3
1
Q
RC
1
wo
K
Holp
C
R
C
R
C
R
C
R
C
R
C
R
)
K
1
(
1
Q
C
R
C
R
1
wo
K
Holp
)
C
R
C
R
C
R
)
K
1
((
jw
C
R
C
R
w
1
)
jw
(
H
1
s
)
C
R
C
R
C
R
)
K
1
((
s
C
R
C
R
K
)
s
(
H
0
s
C
1
Vi
Vo
R
V
K
Vo
1
R
Vi
V
1
s
C
R
1
K
Vo
R
1
K
1
2
1
2
1
2
1
2
1
2
1
2
1
2
21
2
1
2
1
2
1
2
A
B
=
+
=
+
+
=
+
+
=
+
+
+
=
+
=
Equations simplify if we let all
components be equal R = C
+
-
0.1F
5V
V2
C1
R1
R2
V1
1k
C2
RA
1k
RB
0.1F
5V
V3
R7
1k
VOUT
1
3
2
V+
V-
4
U1A
1n
1k
11
EL5150, EL5151, EL5250, EL5251, EL5451
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| EL5451ISZ-T13 | 功能描述:IC VFA QUAD 200MHZ 14-SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 其它有關(guān)文件:Automotive Product Guide 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:通用 電路數(shù):1 輸出類型:滿擺幅 轉(zhuǎn)換速率:3 V/µs 增益帶寬積:10MHz -3db帶寬:- 電流 - 輸入偏壓:1pA 電壓 - 輸入偏移:70µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:48mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 5.5 V，±1.35 V ~ 2.75 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應(yīng)商設(shè)備封裝:SOT-6 包裝:Digi-Reel® 其它名稱:MAX4475AUT#TG16DKR |
| EL5451ISZ-T7 | 功能描述:IC VFA QUAD 200MHZ 14-SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 其它有關(guān)文件:Automotive Product Guide 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:通用 電路數(shù):1 輸出類型:滿擺幅 轉(zhuǎn)換速率:3 V/µs 增益帶寬積:10MHz -3db帶寬:- 電流 - 輸入偏壓:1pA 電壓 - 輸入偏移:70µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:48mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 5.5 V，±1.35 V ~ 2.75 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應(yīng)商設(shè)備封裝:SOT-6 包裝:Digi-Reel® 其它名稱:MAX4475AUT#TG16DKR |
| EL5455 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:300MHz Amplifiers |
| EL5455IS | 功能描述:運算放大器 - 運放 300 MHz V-FB RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| EL5455IS-T13 | 功能描述:IC AMP VFA QUAD 270MHZ 14-SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)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 |
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