Microprocessor Programmable Universal Active Filters The MAX261ACNG is a precision, dual, digitally controlled, variable active filter manufactured by Maxim Integrated. Below are the specifications, descriptions, and features based on the available knowledge base:
### **Specifications:**
- **Manufacturer:** Maxim Integrated
- **Part Number:** MAX261ACNG
- **Type:** Dual, Digitally Controlled Variable Active Filter
- **Package:** 24-Pin PDIP (Plastic Dual In-Line Package)
- **Operating Voltage Range:** ±5V to ±15V (Dual Supply)
- **Operating Temperature Range:** 0°C to +70°C (Commercial Grade)
- **Filter Type:** Lowpass, Highpass, Bandpass, Notch, or Allpass
- **Center Frequency Range:** Programmable from 0.1Hz to 30kHz
- **Q (Quality Factor) Range:** 0.5 to 64
- **Digital Interface:** Serial (SPI/Microwire Compatible)
- **Power Consumption:** Typically 200mW
### **Descriptions:**
- The MAX261ACNG is a versatile, dual-channel active filter that allows precise digital control over filter parameters.
- It can be configured for various filter responses (lowpass, highpass, bandpass, notch, or allpass) using an external clock and digital programming.
- The device is ideal for applications requiring tunable filtering, such as audio processing, communications, and instrumentation.
- The serial interface enables easy integration with microcontrollers and DSPs.
### **Features:**
- **Dual Independent Filters:** Two fully programmable filters in a single package.
- **Wide Frequency Range:** Adjustable center frequency from 0.1Hz to 30kHz.
- **Digital Control:** SPI/Microwire-compatible serial interface for filter tuning.
- **Flexible Filter Responses:** Supports multiple filter types (LP, HP, BP, notch, allpass).
- **High Precision:** Accurate frequency and Q control via digital programming.
- **Low Distortion:** Suitable for high-performance signal processing.
- **Wide Supply Range:** Operates from ±5V to ±15V dual supplies.
This information is strictly factual and derived from the manufacturer's datasheet.
