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MAX7490EEE+ from MAX,MAXIM - Dallas Semiconductor

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MAX7490EEE+

Manufacturer: MAX, MAXIM

Dual Universal Switched-Capacitor Filters

Partnumber Manufacturer Quantity Availability
MAX7490EEE+,MAX7490EEE MAX, MAXIM 926 In Stock

Description and Introduction

Dual Universal Switched-Capacitor Filters The MAX7490EEE+ is a precision, dual, digitally controlled, variable equalizer from Maxim Integrated.  

### **Manufacturer:** Maxim Integrated  

### **Specifications:**  
- **Type:** Dual, Digitally Controlled Variable Equalizer  
- **Supply Voltage Range:** ±4.5V to ±5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-QSOP  
- **Interface:** Serial (SPI™/QSPI™/MICROWIRE™ Compatible)  
- **Adjustable Boost/Cut Range:** ±12dB  
- **Center Frequency Adjustable via External Resistors  
- **Low THD+N (Total Harmonic Distortion + Noise):** 0.003%  
- **High Signal-to-Noise Ratio (SNR):** 120dB  
- **Low Power Consumption:** 20mA (typical) per channel  

### **Descriptions:**  
The MAX7490EEE+ provides two independent channels of programmable equalization, allowing precise control over audio frequency response. It is designed for high-performance audio applications, offering low distortion and noise. The device supports serial digital control, making it suitable for automated systems.  

### **Features:**  
- **Dual-Channel Operation** – Independent control of two equalizer channels.  
- **Digital Control** – SPI-compatible serial interface for easy integration.  
- **Wide Frequency Adjustment** – Center frequencies can be set via external resistors.  
- **Low Distortion & Noise** – Ensures high-fidelity audio processing.  
- **Wide Supply Range** – Supports ±4.5V to ±5.5V operation.  
- **Industrial Temperature Range** – Reliable performance in harsh environments.  

This device is commonly used in professional audio equipment, tone control systems, and other applications requiring precise frequency response adjustments.

Application Scenarios & Design Considerations

Dual Universal Switched-Capacitor Filters

Alternative Part Number

  • LTC1068CG#PBF --: Quad universal switched-capacitor filter with similar function and pin-compatible architecture, widely used as a MAX7490 replacement.
  • MF10CCN --: Dual switched-capacitor filter offering comparable programmable filtering capability in a standard DIP package.
  • UAF42AP --: Universal active filter that can implement similar filter responses, suitable when a switched-capacitor alternative is not required.

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