MAX7409:五阶、低通、开关电容滤波器

尺寸最小的低功耗5阶滤波器

The MAX7409/MAX7410/MAX7413/MAX7414 5th-order, lowpass, switched-capacitor filters (SCFs) operate from a single +5V (MAX7409/MAX7410) or +3V (MAX7413/ MAX7414) supply. These devices draw only 1.2mA of supply current and allow corner frequencies from 1Hz to 15kHz, making them ideal for low-power post-DAC filtering and anti-aliasing applications. They feature a shutdown mode, which reduces the supply current to 0.2µA. Two clocking options are available on these devices: self-clocking (through the use of an external capacitor) or external clocking for tighter corner-frequency control. An offset adjust pin allows for adjustment of the DC output level. The MAX7409/MAX7413 Bessel filters provide low overshoot and fast settling, while the MAX7410/MAX7414 Butterworth filters provide a maximally flat passband response. Their fixed response simplifies the design task to selecting a clock frequency.

关键特性
  • 5th-Order Lowpass Filters
    • Bessel Response (MAX7409/MAX7413)
    • Butterworth Response (MAX7410/MAX7414)
  • Clock-Tunable Corner Frequency (1Hz to 15kHz)
  • Single-Supply Operation
    • +5V (MAX7409/MAX7410)
    • +3V (MAX7413/MAX7414)
  • Low Power
    • 1.2mA (operating mode)
    • 0.2µA (shutdown mode)
  • Available in 8-Pin µMAX®/DIP Packages
  • Low Output Offset: ±4mV
  • Single 5th-order, Bessel and Butterworth switched-capacitor filters. 15kHz maximum F (c)
MAX7409、MAX7410、MAX7413、MAX7414:典型工作电路
MAX7409、MAX7410、MAX7413、MAX7414:典型工作电路
应用
  • ADC抗混叠
  • 气囊电子装置
  • CT2基站
  • DAC后置滤波
  • 语音处理
数据手册DataSheet
语言下载文件备注
英文MAX7409-MAX7414.pdfRev 1; 09/1998
关键参数
Part NumberFilter SectionsOrder Per Filter SectionFilter ClassFilter TypeFilter CharacteristicProgram MethodLowest Cutoff
(Hz)
Highest Cutoff
(kHz)
VSUPPLY
(V)
Design ToolsOper. Temp.
(°C)
Package/PinsBudgetary
Price
maxminSee Notes
MAX740915Switched CapLowpassBesselClock1155EE-Sim
  • -40 to +85
  • 0 to +70
  • µMAX/8
  • PDIP(N)/8
$2.97 @1k
MAX7410Butterworth5
  • µMAX/8
  • PDIP(N)/8
$2.27 @1k
MAX7413Bessel3
  • µMAX/8
  • PDIP(N)/8
$1.93 @1k
MAX7414Butterworth3
  • µMAX/8
  • PDIP(N)/8
$2.35 @1k
开发工具
技术资料
相关产品
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  • MAX7411:五阶、低通、椭圆函数、开关电容滤波器
  • MAX7405:八阶、低通、贝塞尔、开关电容滤波器
  • MAX7415:五阶、低通、椭圆函数、开关电容滤波器
  • MAX7401:八阶、低通、贝塞尔、开关电容滤波器
  • MAX7412:五阶、低通、椭圆函数、开关电容滤波器
订购型号
型号状况推荐替代产品封装温度RoHS/无铅
MAX7409CPA停止供货MAX7409CPA+PDIP(N),;8引脚;79.7mm²0°C至+70°CRoHS/无铅:否
MAX7409CPA+生产中PDIP(N),;8引脚;79.7mm²0°C至+70°CRoHS/无铅:无铅
MAX7409CUA停止供货MAX7409CUA+µMAX,;8引脚;15.6mm²0°C至+70°CRoHS/无铅:否
MAX7409CUA+生产中µMAX,;8引脚;15.6mm²0°C至+70°CRoHS/无铅:无铅
MAX7409CUA+T生产中µMAX,;8引脚;15.6mm²0°C至+70°CRoHS/无铅:无铅
MAX7409CUA-T停止供货MAX7409CUA+TµMAX,;8引脚;15.6mm²0°C至+70°CRoHS/无铅:否
MAX7409EPA停止供货MAX7409EPA+PDIP(N),;8引脚;79.7mm²-40°C至+85°CRoHS/无铅:否
MAX7409EPA+生产中PDIP(N),;8引脚;79.7mm²-40°C至+85°CRoHS/无铅:无铅
MAX7409EUA停止供货MAX7409EUA+µMAX,;8引脚;15.6mm²-40°C至+85°CRoHS/无铅:否
MAX7409EUA+生产中µMAX,;8引脚;15.6mm²-40°C至+85°CRoHS/无铅:无铅
型号状况推荐替代产品封装:类型 引脚 占位面积封装图 编码/变更 *温度RoHS/无铅?
MAX7409EUA+T生产中µMAX,;8引脚;15.6mm²-40°C至+85°CRoHS/无铅:无铅
MAX7409EUA-T停止供货MAX7409EUA+TµMAX,;8引脚;15.6mm²-40°C至+85°CRoHS/无铅:否
MAX7409-MAX7414.pdf MAX7414
Lowpass Filter Has Improved Step Response MAX7409
A Filter Primer MAX7491
MAX7409-MAX7414.pdf MAX7414