參數資料
型號： MAX7427
廠商： Maxim Integrated Products, Inc.
英文描述： Quadruple 2-Line To 1-Line Data Selectors/Multiplexers 16-CDIP -55 to 125
中文描述： 五階、低通、橢圓函數、開關電容濾波器
文件頁數： 1/12頁
文件大小： 209K
代理商： MAX7427
General Description
The MAX7426/MAX7427 5th-order, lowpass, elliptic,
switched-capacitor filters (SCFs) operate from a single
+5V (MAX7426) or +3V (MAX7427) supply. The devices
draw only 0.8mA of supply current and allow corner fre-
quencies from 1Hz to 12kHz, making them ideal for
low-power post-DAC filtering and anti-aliasing applica-
tions. They can be put into a low-power mode, reducing
supply current to 0.2μA.
Two clocking options are available: self-clocking (through
the use of an external capacitor) or external clocking for
tighter cutoff-frequency control. An offset-adjust pin
allows for adjustment of the DC output level.
The MAX7426/MAX7427 deliver 37dB of stopband
rejection and a sharp rolloff with a transition ratio of
1.25. Their fixed response limits the design task to
selecting a clock frequency.
Applications
CT2 Base Stations
Speech Processing
ADC Anti-Aliasing
Post-DAC Filtering
Features
o
5th-Order, Elliptic Lowpass Filters
o
Low Noise and Distortion: -80dB THD + Noise
o
Clock-Tunable Corner Frequency (1Hz to 12kHz)
o
Single-Supply Operation
+5V (MAX7426)
+3V (MAX7427)
o
Low Power
0.8mA (Operating Mode)
0.2μA (Shutdown Mode)
o
Available in 8-Pin μMAX/PDIP Packages
o
Low Output Offset: ±4mV
M
5th-Order, Lowpass, Elliptic,
Switched-Capacitor Filters
________________________________________________________________
Maxim Integrated Products
For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
1
OS
OUT
V
DD
1
2
8
7
CLK
SHDN
IN
GND
COM
μ
MAX/PDIP
TOP VIEW
3
4
6
5
MAX7426
MAX7427
V
DD
IN
CLK
OUT
GND
INPUT
0.1
μ
F
0.1
μ
F
CLOCK
SHDN
OUTPUT
COM
OS
MAX7426
MAX7427
V
SUPPLY
Typical Operating Circuit
19-1710; Rev 0; 4/00
Pin Configuration
Ordering Information
PART
MAX7426
CUA
MAX7426CPA
MAX7426EUA
MAX7426EPA
MAX7427
CUA
MAX7427CPA
MAX7427EUA
MAX7427EPA
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
8 μMAX
8 Plastic DIP
8 μMAX
8 Plastic DIP
8 μMAX
8 Plastic DIP
8 μMAX
8 Plastic DIP
PART
TRANSITION RATIO
OPERATING
VOLTAGE (V)
+5
+3
MAX7426
MAX7427
r = 1.25
r = 1.25
Selector Guide
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
相關PDF資料
PDF描述
MAX7427EPA Quadruple 2-Line To 1-Line Data Selectors/Multiplexers 16-CFP -55 to 125
MAX7426EUA 5th-Order, Lowpass, Elliptic, Switched-Capacitor Filters
MAX7427CUA SWTCH ROLLER DPDT 10A SCRW TERM
MAX7427EUA 5th-Order, Lowpass, Elliptic, Switched-Capacitor Filters
MAX742 Dual 2-Line To 4-Line Decoders/Demultiplexers 20-LCCC -55 to 125
相關代理商/技術參數
參數描述
MAX7427CPA 功能描述:有源濾波器 RoHS:否 制造商:Maxim Integrated 通道數量: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 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
MAX7427CPA+ 功能描述:有源濾波器 5th-Order Lowpass Elliptic Filter RoHS:否 制造商:Maxim Integrated 通道數量: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 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
MAX7427CUA 功能描述:有源濾波器 RoHS:否 制造商:Maxim Integrated 通道數量: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 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
MAX7427CUA+ 功能描述:有源濾波器 5th-Order Lowpass Elliptic Filter RoHS:否 制造商:Maxim Integrated 通道數量: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 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
MAX7427CUA+T 功能描述:有源濾波器 5th-Order Lowpass Elliptic Filter RoHS:否 制造商:Maxim Integrated 通道數量: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 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
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