參數(shù)資料
型號(hào)： MAX7411
廠商： Maxim Integrated Products, Inc.
英文描述： 5th-order，lowpass，elliptic，switched-capacitor filters
中文描述： 五階、低通、橢圓函數(shù)、開(kāi)關(guān)電容濾波器
文件頁(yè)數(shù)： 10/12頁(yè)
文件大?。?/td> 137K
代理商： MAX7411
M
5th-Order, Lowpass, Elliptic ,
S witc hed-Capac itor Filters
10
______________________________________________________________________________________
Characteristics table for the input voltage range of COM
and OS. Changing the voltage on COM or OS signifi-
cantly from mid-supply reduces the dynamic range.
Power S upplies
The MAX7408/MAX7411 operate from a single +5V
supply and the MAX7412/MAX7415 operate from a sin-
gle +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 equiv-
alent. For either single-supply or dual-supply operation,
drive CLK and
SHDN
from GND (V- in dual supply
operation) to V
DD
. Use the MAX7408/MAX7411 for
±2.5, and use the MAX7412/MAX7415 for ±1.5V. For
±5V dual-supply applications, see the MAX291/
MAX292/MAX295/MAX296 and MAX293/MAX294/
MAX297 data sheets.
Input S ignal 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 MAX7408/MAX7411/MAX7412/
MAX7415 for anti-aliasing or post-DAC filtering, syn-
chronize 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 1 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 TOV- FOR LOW-POWER SHUTDOWN MODE.
SHDN
OS
0.1
μ
F
MAX7408
MAX7411
MAX7412
MAX7415
*
V+
V-
Figure 4. Dual-Supply Operation
Table 1. Typical Harmonic Distortion
FILTER
f
IN
(Hz)
V
IN
(Vp-p)
MAX7408
1k
200
4
2nd
4th
f
CLK
(kHz)
500
100
-78.4
-85.5
-88.2
TYPICAL HARMONIC DISTORTION (dB)
-92.8
-93
-86.9
-83.1
-89.5
3rd
5th
MAX7411
1k
200
4
500
100
-80
-90
-88
1k
-92
-92
MAX7415
200
2
500
100
-87
-90
-90
-90
-88
-86
-86
-87
-88
-90
-90
MAX7412
1k
200
2
500
100
-93.1
-86.6
-88.2
-90
-88.9
-85.6
-85.1
-85.7
相關(guān)PDF資料
PDF描述
MAX7411CPA Data Selectors/Multiplexers 20-LCCC -55 to 125
MAX7411EPA Data Selectors/Multiplexers 16-CDIP -55 to 125
MAX7412 5thorder，lowpass，elliptic，switched-capacitor filters
MAX7412EPA 5th-Order, Lowpass, Elliptic, Switched-Capacitor Filters
MAX7415 5th-order，lowpass，elliptic，switched-capacitor filters
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX7411CPA 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
MAX7411CPA+ 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(fēng)格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
MAX7411CUA 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
MAX7411CUA+ 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(fēng)格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
MAX7411CUA+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(fēng)格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
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