Dual Universal Switched-Capacitor Filters The MAX7490EEE is a digital programmable filter manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** Maxim Integrated
- **Part Number:** MAX7490EEE
- **Package:** 16-QSOP (QSOP-16)
- **Operating Temperature Range:** -40°C to +85°C
- **Supply Voltage Range:** ±2.375V to ±5.5V (Dual Supply) or +4.75V to +11V (Single Supply)
- **Filter Type:** Switched-Capacitor, Lowpass, Elliptic, or Butterworth Response
- **Cutoff Frequency Range:** Programmable from 0.1Hz to 30kHz
- **Stopband Attenuation:** Up to 80dB (Elliptic)
- **Clock-to-Cutoff Frequency Ratio:** 100:1 (Typical)
- **Power Consumption:** 4.5mA (Typical, ±5V Supply)
### **Descriptions:**
The MAX7490EEE is a versatile, digitally programmable filter IC that allows users to set the cutoff frequency via an external clock. It supports both single and dual power supply configurations and can be configured for lowpass filtering with either elliptic or Butterworth response characteristics. The device is designed for precision signal conditioning in applications such as communications, medical instrumentation, and test equipment.
### **Features:**
- **Programmable Cutoff Frequency:** Adjustable via an external clock signal.
- **Selectable Response:** Elliptic (sharp roll-off) or Butterworth (maximally flat).
- **Low Noise and Distortion:** Suitable for high-performance filtering.
- **Wide Supply Range:** Supports single or dual power supplies.
- **Low Power Consumption:** Ideal for portable and battery-operated systems.
- **Small Footprint:** 16-QSOP package for space-constrained designs.
For detailed electrical characteristics and application circuits, refer to the official datasheet from Maxim Integrated.
