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参数资料
| 型号： | MAX7401EPA+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 12/12页 |
| 文件大小： | 0K |
| 描述： | IC FILTER LOWPASS 8-DIP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 滤波器类型： | 贝塞尔，低通开关电容器 |
| 频率 - 截止或中心： | 5kHz |
| 滤波器数： | 1 |
| 滤波器阶数： | 8th |
| 电源电压： | 4.5 V ~ 5.5 V |
| 安装类型： | 通孔 |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 8-PDIP |
| 包装： | 管件 |
MAX7401/MAX7405
8th-Order, Lowpass, Bessel,
Switched-Capacitor Filters
_______________________________________________________________________________________
9
GND to the negative supply. Figure 4 shows an example
of dual-supply operation. Single- and dual-supply perfor-
mance are equivalent. For either single- or dual-supply
operation, drive CLK and SHDN from GND (V- in dual-
supply operation) to VDD. For ±5V dual-supply applica-
tions, use the MAX291–MAX297.
Input Signal Amplitude Range
The optimal input signal range is determined by observ-
ing the voltage level at which the total harmonic distor-
tion plus noise (THD+N) is minimized for a given corner
frequency. The
Typical Operating Characteristics show
graphs of the devices’ THD+N response as the input
signal’s peak-to-peak amplitude is varied. These mea-
surements are made with OS and COM biased at mid-
supply.
Anti-Aliasing and Post-DAC Filtering
When using the MAX7401/MAX7405 for anti-aliasing or
post-DAC filtering, synchronize the DAC and the filter
clocks. If the clocks are not synchronized, beat frequen-
cies may alias into the passband.
The high clock-to-corner frequency ratio (100:1) also
eases the requirements of pre- and post-SCF filtering. At
the input, a lowpass filter prevents the aliasing of fre-
quencies around the clock frequency into the passband.
At the output, a lowpass filter attenuates the clock
feedthrough.
A high clock-to-corner frequency ratio allows a simple
RC lowpass filter, with the cutoff frequency set above
the SCF corner frequency, to provide input anti-aliasing
and reasonable output clock attenuation.
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
the MAX7401/MAX7405’s typical harmonic-distortion
values with a 10k
load at TA = +25°C.
VDD
V+
V-
IN
CLK
GND
INPUT
OUTPUT
OUT
0.1
F
CLOCK
*DRIVE SHDN TO V- FOR LOW-POWER SHUTDOWN MODE.
SHDN
COM
OS
0.1
F
MAX7401
MAX7405
*
V+
V-
Figure 4. Dual-Supply Operation
5th
3rd
-92
-79
-93
-83
500
100
fCLK
(kHz)
4th
2nd
-92
-90
TYPICAL HARMONIC DISTORTION (dB)
-89
-91
4
5
1
MAX7401
VIN
(Vp-p)
fC
(kHz)
FILTER
1000
200
fIN
(Hz)
Table 1. Typical Harmonic Distortion
TRANSISTOR COUNT: 1116
Chip Information
-88
-82
-88
-83
500
100
-88
-87
-83
-87
2
5
1
MAX7405
1000
200
相关PDF资料 |
PDF描述 |
|---|---|
| VE-BT4-IY-F1 | CONVERTER MOD DC/DC 48V 50W |
| MAX7400EPA+ | IC FILTER LOWPASS 8-DIP |
| VE-BT3-IY-F4 | CONVERTER MOD DC/DC 24V 50W |
| VE-B5Z-IX-F1 | CONVERTER MOD DC/DC 2V 30W |
| VE-B5R-IY-F3 | CONVERTER MOD DC/DC 7.5V 50W |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX7401EPA+ | 功能描述:有源滤波器 8th-Order Lowpass Elliptic Filter RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube |
| MAX7401ESA | 功能描述:有源滤波器 RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube |
| MAX7401ESA+ | 功能描述:有源滤波器 8th-Order Lowpass Elliptic Filter RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube |
| MAX7401ESA+T | 功能描述:有源滤波器 8th-Order Lowpass Elliptic Filter RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube |
| MAX7401ESA-T | 功能描述:有源滤波器 RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube |
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