參數(shù)資料
型號(hào): RC4156
廠商: Fairchild Semiconductor Corporation
元件分類: 運(yùn)動(dòng)控制電子
英文描述: High Performance Quad Operational Amplifiers
中文描述: 高性能四路運(yùn)算放大器
文件頁數(shù): 9/13頁
文件大?。?/td> 103K
代理商: RC4156
RC4156/RC4157
PRODUCT SPECIFICATION
REV. 1.0.1 6/13/01
9
Figure 16. Bandpass Active Filter
These equations can be combined to obtain the transfer function:
and
65-0752
Set Center Frequency
C1
1000 pF
RC4156/57
B
V
BP
R2
R1
C2
1000 pF
RC4156/57
C
R6
100K
RC4156/57
A
R4
10K
R5
100K
R3
R7
V
Trim
Gain
and Q
IN
3
2
1
5
6
7
10
9
8
V
BP
s
( )
R1C1S
HP
s
( )
=
V
LP
s
( )
R2C2S
BP
s
( )
=
V
s
( )
IN
s
( )
V
R3
R3
R1C1
S
2
R7
R6
R5
R4
R4
+
+
R1C1
S
R5
R1C1R2C2
+
+
------------------------------------------------------------------------------------------------------------------------------------------------------
=
Defining 1/R1C1 as
ω
1, 1/R2C2 as
ω
2, and substituting in
the assigned values for R4, R5, and R6, then the transfer
function simplifies to:
This is now in a convenient form to look at the center-
frequency
ω
0
and filter Q.
and
The frequency responses for various values of Q are shown
in Figure 17.
V
s
( )
IN
s
( )
V
4
R3
ω
1
s
S
2
1.1
-------------R3
ω
1
s
4
5
10
+
1
R7
+
1
ω
2
----1
+
+
----------------------------------------------------------------------
=
ω
0
0.1
ω
1
ω
2
=
ω
0
10
9
0.1R1R2
=
Q
1
5
4
R7
+
1.1
R3
+
----------------------
ω
0
=
Figure 17. Bandpass Transfer Characteristics Normalized
for Unity Gain and Frequency
0
-10
-20
-30
-40
-50
-60
(
0.1
1.0
10
6
Q = 0.5
Q = 1.0
Q = 2.0
Q = 5.0
Q = 10
Q = 20
Q = 50
Q = 100
ω
ω
o
ω
ω
o
1
Q
V
V
=
1 -
+
2
2
2
ω
ω
o
1
Q
ω
ω
o
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參數(shù)描述
RC4156/RC4157 制造商:未知廠家 制造商全稱:未知廠家 功能描述:High Performance Quad Operational Amplifiers
RC4156D 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Feedback Operational Amplifier
RC4156M 功能描述:運(yùn)算放大器 - 運(yùn)放 SOIC-14 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(bǔ)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
RC4156M_32 功能描述:運(yùn)算放大器 - 運(yùn)放 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(bǔ)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
RC4156MT 功能描述:運(yùn)算放大器 - 運(yùn)放 SOIC-14 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(bǔ)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