參數(shù)資料
型號： MAX261BCWG+
廠商： Maxim Integrated Products
文件頁數(shù)： 8/26頁
文件大小： 0K
描述： IC FILTER ACT MPU PROG 24-SOIC
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 30
濾波器類型： 通用開關(guān)電容器
頻率 - 截止或中心： 57kHz
濾波器數(shù)： 2
濾波器階數(shù)： 2nd
電源電壓： 4.74 V ~ 12.6 V，±2.37 V ~ 6.3 V
安裝類型： 表面貼裝
封裝/外殼： 24-SOIC（0.295"，7.50mm 寬）
供應(yīng)商設(shè)備封裝： 24-SOIC W
包裝： 管件
MAX260/MAX261/MAX262
Microprocessor Programmable
Universal Active Filters
16
______________________________________________________________________________________
Figures 7 through 11 show symbolic representations of
the MAX260 filter modes. Only one second-order sec-
tion is shown in each case. The A and B sections of
one MAX260/MAX261/MAX262 can be programmed for
different modes if desired. The f0, fN (notch), Q, and
various output gains in each case are shown in Table 5.
Filter Mode Selection
MODE 1 (Figure 7) is useful when implementing allpole
lowpass and bandpass filters such as Butterworth,
Chebyshev, Basset, etc. It can also be used for notch
filters, but only second-order notches because the rela-
tive pole and zero locations are fixed. Higher order
notch filters require more latitude in f0 and 1N, which is
why they are more easily implemented with mode 3A.
1D
3
4
7
8
13
14
2D
3D
4D
6D
WR
5D
1Q
2Q
3Q
20
OCTAL D FLIP-FLOP
74HC374
VCC
5Q
6Q
4Q
A0
A1
A2
D1
D2
A3
2
5
6
12
15
110
11
-5V
9
OC
CK
GND
MAX260
MAX261
MAX262
A0
A1
A2
A3
D2
D1
+5V
V+
-5V
V-
GND
WR
Figure 6. Buffering/Latching Logic Inputs
SCN
IN
SCN
N
BP
LP
+
-
MODE 1
+
-
∫
SCN
Σ
SCN = SWITCHED-CAPACITOR NETWORK
Figure 7. Filter Mode 1: Second-Order Bandpass, Lowpass,
and Notch
MODE
M1,
M0
FILTER
FUNCTIONS
f0
QfN
HOLP
HOBP
HON1
(f
0)
HON2
(f
fCLK/4)
OTHER
1
0, 0
LP, BP, N
f0
-1
-Q
-1
2
0, 1
LP, BP, N
f0
√2
-0.5
-Q/
√2
-0.5
-1
3
1, 0
LP, BP, HP
-1
-Q
HOHP = -1
-1
-Q
HOHP = -1
4
1, 1
LP, BP, AP
SEE
TABLE
2
SEE
TABLE
3
-2
-2Q
HOAP = -1
fZ = f0, QZ = Q
Table 5. Filter Modes for Second-Order Functions
Notes:
f0 = Center Frequency
fN = Notch Frequency
HOLP = Lowpass Gain at DC
HOBP = Bandpass Gain at f0
HOHP = Highpass Gain as f approaches fCLK/4
HON1 = Notch Gain as f approaches DC
HON2 = Notch Gain as f approaches fCLK/4
HOAP = Allpass Gain
fz, Qz = f and Q of Complex Pole Pair
+
R
G
H
+
R
G
L
f
R
H
L
0
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX261BCWG+ 功能描述:有源濾波器 MPU Programmable Universal RoHS:否 制造商:Maxim Integrated 通道數(shù)量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
MAX261BCWG+T 功能描述:有源濾波器 MPU Programmable Universal RoHS:否 制造商:Maxim Integrated 通道數(shù)量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
MAX261BCWG-T 功能描述:有源濾波器 RoHS:否 制造商:Maxim Integrated 通道數(shù)量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
MAX261BENG 功能描述:有源濾波器 RoHS:否 制造商:Maxim Integrated 通道數(shù)量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
MAX261BENG+ 功能描述:有源濾波器 MPU Programmable Universal RoHS:否 制造商:Maxim Integrated 通道數(shù)量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
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