參數(shù)資料
型號： MAX7426CUA
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 運動控制電子
英文描述： Quadruple 2-Line To 1-Line Data Selectors/Multiplexers 16-CFP -55 to 125
中文描述： SWITCHED CAPACITOR FILTER, ELLIPTIC, LOWPASS, PDSO8
封裝： MICRO MAX PACKAGE-8
文件頁數(shù)： 10/12頁
文件大?。?/td> 209K
代理商： MAX7426CUA
M
5th-Order, Lowpass, Elliptic,
Switched-Capacitor Filters
10
______________________________________________________________________________________
Characteristics
table for the input voltage range of COM
and OS. Changing the voltage on COM or OS signifi-
cantly from midsupply reduces the dynamic range.
Power Supplies
The MAX7426 operates from a single +5V supply, and
the MAX7427 operates from a single +3V supply.
Bypass V
DD
to GND with a 0.1μF capacitor. If dual
supplies are required, connect COM to the system
ground and GND to the negative supply. Figure 4
shows an example of dual-supply operation. Single-
supply and dual-supply performance are equivalent.
For either single-supply or dual-supply operation, drive
CLK and
SHDN
from GND (V- in dual-supply operation)
to V
DD
. Use the MAX7427 for ±2.5, and use the
MAX7426 for ±1.5V. For ±5V dual-supply applications,
refer to the MAX291/MAX292/MAX295/MAX296 and
MAX293/MAX294/MAX297 data sheets.
Input Signal Amplitude Range
The optimal input signal range is determined by observ-
ing the voltage level at which the signal-to-noise plus
distortion (SINAD) ratio is maximized for a given corner
frequency. The
Typical Operating Characteristics
show
the THD + Noise response as the input signal’s peak-to-
peak amplitude is varied.
Anti-Aliasing and Post-DAC Filtering
When using the MAX7426/MAX7427 for anti-aliasing or
post-DAC filtering, synchronize the DAC (or ADC) and
the filter clocks. If the clocks are not synchronized,
beat frequencies may alias into the desired passband.
Harmonic Distortion
Harmonic distortion arises from nonlinearities within the
filter. These nonlinearities generate harmonics when a
pure sine wave is applied to the filter input. Table 2 lists
typical harmonic distortion values with a 10k
load at
T
A
= +25°C.
V
DD
V+
V-
IN
CLK
GND
INPUT
OUTPUT
OUT
COM
0.1
μ
F
CLOCK
*CONNECT SHDN TO V- FOR LOW-POWER SHUTDOWN MODE.
SHDN
OS
0.1
μ
F
MAX7426
MAX7427
*
V+
V-
Figure 4. Dual-Supply Operation
Table 2. Typical Harmonic Distortion
FILTER
f
IN
(Hz)
V
IN
(Vp-p)
2nd
4th
f
CLK
(kHz)
TYPICAL HARMONIC DISTORTION (dB)
3rd
5th
MAX7426
1k
200
4
500
100
-73
-71
-88
1k
-90
-92
MAX7427
200
2
500
100
-87
-90
-90
-90
-82
-86
-86
-87
-88
-90
-90
TRANSISTOR COUNT: 1457
PROCESS: BiCMOS
Chip Information
相關PDF資料
PDF描述
MAX7426EPA Quadruple 2-Line To 1-Line Data Selectors/Multiplexers 20-LCCC -55 to 125
MAX7427 Quadruple 2-Line To 1-Line Data Selectors/Multiplexers 16-CDIP -55 to 125
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
相關代理商/技術參數(shù)
參數(shù)描述
MAX7426CUA+ 功能描述:有源濾波器 5th-Order Lowpass Elliptic Filter 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 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
MAX7426CUA+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(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 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
MAX7426CUA-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 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
MAX7426EPA 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 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
MAX7426EPA+ 功能描述:有源濾波器 5th-Order Lowpass Elliptic Filter 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 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
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