8th-Order, Lowpass, Elliptic, Switched-Capacitor Filters The MAX294EPA is a switched-capacitor, 8th-order, lowpass filter manufactured by Maxim Integrated. Below are the factual details about this component:
### **Specifications:**
- **Manufacturer:** Maxim Integrated
- **Part Number:** MAX294EPA
- **Filter Type:** 8th-order, lowpass
- **Architecture:** Switched-capacitor
- **Cutoff Frequency Range:** 0.1Hz to 25kHz (programmable via external clock)
- **Clock-to-Cutoff Ratio:** 100:1 (typical)
- **Supply Voltage Range:** ±5V (±4.5V to ±8V)
- **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 Drive Capability:** ±5mA (minimum)
- **Power Consumption:** 60mW (typical)
- **Stopband Attenuation:** -80dB (typical)
- **Passband Ripple:** ±0.5dB (typical)
### **Descriptions:**
The MAX294EPA is a precision, 8th-order elliptic lowpass filter that uses switched-capacitor technology to achieve high accuracy and stability. It is clock-tunable, meaning the cutoff frequency is set by an external clock signal, making it highly flexible for various applications. The device operates from dual power supplies (±5V) and provides excellent stopband rejection and minimal passband ripple.
### **Features:**
- **8th-Order Elliptic Response:** Provides sharp roll-off and high stopband rejection.
- **Clock-Tunable Cutoff Frequency:** Adjustable via an external clock (0.1Hz to 25kHz).
- **Low Power Consumption:** Typically 60mW.
- **High Input Impedance:** 10MΩ minimizes loading effects.
- **Wide Supply Range:** Operates from ±4.5V to ±8V.
- **No External Components Required:** Internal clock oscillator simplifies design.
- **Low Output Noise:** Suitable for precision signal processing.
- **Industrial Temperature Range:** -40°C to +85°C.
This information is strictly based on the manufacturer's datasheet and technical documentation.
