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主要特征
应用/用途
Parametric specs for Active Filters
| Filter Type | Lowpass |
| Filter Sections | 1 |
| Order Per Filter Section | 5 |
| Highest Cutoff (kHz) (min) | 15 |
| Lowest Cutoff (Hz) (max) | 1 |
| Filter Class | Switched Cap |
| Filter Characteristic | Butterworth |
| Program Method | Clock |
| Oper. Temp. (°C) | -40 to +85 0 to +70 |
| Package/Pins | UMAX/8 |
| Budgetary Price (See Notes) | 2.62 |
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简化框图
技术文档
| 数据资料 | 五阶、低通、开关电容滤波器 | Sep 01, 1998 | |
| 设计指南 | A Filter Primer | ||
| 设计指南 | 滤波器基础：抗混叠 | ||
| 设计指南 | 集成方案简化模拟滤波器设计 | ||
| 设计指南 | A Filter Primer |
参量
Parametric specs for Active Filters
| Filter Type | Lowpass |
| Filter Sections | 1 |
| Order Per Filter Section | 5 |
| Highest Cutoff (kHz) (min) | 15 |
| Lowest Cutoff (Hz) (max) | 1 |
| Filter Class | Switched Cap |
| Filter Characteristic | Butterworth |
| Program Method | Clock |
| Oper. Temp. (°C) | -40 to +85 0 to +70 |
| Package/Pins | UMAX/8 |
| Budgetary Price (See Notes) | 2.62 |
主要特征
- 5th-Order Lowpass Filters
- Bessel Response (MAX7409/MAX7413)
- Butterworth Response (MAX7410/MAX7414)
- Bessel Response (MAX7409/MAX7413)
- 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)
应用/用途
- ADC抗混叠
- 气囊电子装置
- CT2基站
- DAC后置滤波
- 语音处理
描述
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.
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.
技术文档
| 数据资料 | 五阶、低通、开关电容滤波器 | Sep 01, 1998 | |
| 设计指南 | A Filter Primer | ||
| 设计指南 | 滤波器基础：抗混叠 | ||
| 设计指南 | 集成方案简化模拟滤波器设计 | ||
| 设计指南 | A Filter Primer |
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