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MAX291EPA from MAXIM,MAXIM - Dallas Semiconductor

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MAX291EPA

Manufacturer: MAXIM

8th-Order, Lowpass, Switched-Capacitor Filters

Partnumber Manufacturer Quantity Availability
MAX291EPA MAXIM 363 In Stock

Description and Introduction

8th-Order, Lowpass, Switched-Capacitor Filters The MAX291EPA is a low-pass filter manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Type:** 8th-Order, Low-Pass, Switched-Capacitor Filter  
- **Cutoff Frequency Range:** 0.1Hz to 25kHz (adjustable via external clock)  
- **Clock-to-Cutoff Frequency Ratio:** 100:1 (typical)  
- **Supply Voltage Range:** ±5V (dual supply)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Pin PDIP (Plastic Dual In-Line Package)  
- **Pin Count:** 8  
- **Input Impedance:** 10MΩ (typical)  
- **Output Impedance:** 100Ω (typical)  
- **Total Harmonic Distortion (THD):** 0.02% (typical)  
- **Signal-to-Noise Ratio (SNR):** 80dB (typical)  

### **Descriptions:**  
The MAX291EPA is an 8th-order, low-pass, elliptic switched-capacitor filter designed for precision signal conditioning. It provides a steep roll-off characteristic, making it suitable for anti-aliasing and noise reduction in data acquisition systems. The cutoff frequency is set by an external clock signal, allowing flexible tuning.  

### **Features:**  
- **8th-Order Elliptic Response:** Provides sharp roll-off for effective filtering.  
- **Adjustable Cutoff Frequency:** Set via an external clock (100:1 clock-to-cutoff ratio).  
- **Low Noise and Distortion:** Ensures clean signal processing.  
- **Single or Dual Supply Operation:** Compatible with ±5V supplies.  
- **No External Components Required:** Simplifies circuit design.  
- **Low Power Consumption:** Suitable for battery-powered applications.  

This information is strictly based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

8th-Order, Lowpass, Switched-Capacitor Filters

Alternative Part Number

  • LTC1069-1CN8 --: 8th-order lowpass switched-capacitor filter in 8-pin DIP, functionally similar to the MAX291 and pin-compatible in many designs.
  • MF10CCN --: Universal monolithic switched-capacitor filter in DIP that can be configured as a lowpass filter equivalent to the MAX291 function.
  • LTC1064-1CN --: Lowpass switched-capacitor filter in DIP package offering comparable filtering performance as a drop-in style alternative.
  • LTC1064-1CN8 --: Pin-compatible 8th-order low-pass switched-capacitor filter in DIP-8 with similar cutoff frequency range and clock-to-cutoff ratio, widely used as a MAX291 replacement.
  • LTC1062CN8 --: 5th-order low-pass switched-capacitor filter in DIP-8 offering similar filtering function and clock-tunable cutoff, suitable for less demanding MAX291 applications.

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