MAX274中文资料四阶及八阶、连续时间方式有源滤波器数据手册ADI规格书

描述 Description

The MAX274 and MAX275 are continuous-time active filters consisting of independent cascadable 2nd-order sections. Each section can implement any all-pole bandpass or lowpass filter response, such as Butterworth, Bessel, Chebyshev, and is programmed by four external resistors. The MAX274/MAX275 provide lower noise that switched-capacitor filters, as well as superior dynamic performance—both due to the continuous-time design. Since continuous-time filters do not require a clock, aliased and clock noise are eliminated with the MAX274/MAX275.
The MAX274 comprises of four 2nd-order sections, permitting 8th-order filters to be realized. Center frequencies range up to 150kHZ, and are accurate to within ±1% over the full operating temperature range. Total harmonic distortion (THD) is typically better than -86dB.
The MAX275 comprises of two 2nd-order sections, permitting 4th-order filters to be realized. Center frequencies range up to 300kHZ, and are accurate to within ±0.9% over the full operating temperature range. Total harmonic distortion (THD) is typically better than -86dB.
Both filters operate from a single +5V supply or from dual ±5V supplies.

特性 Features

• Continuous-TIme Filter - No Clock, No Clock Noise
• Lowpass, Bandpass Outputs
• Design Software Available
• 8th-Order-Four 2nd-Order Sections (MAX274)
• Center-Frequency Range:
• 300kHz for MAX275
• -86dB THD Typical for MAX274
• Center-Frequency Accurate Over Temp:
• within ±0.9% for MAX275

应用 Application

• 音频/声纳/航空电子频率滤波
• 低失真抗混叠滤波器
• 振动分析

简介

MAX274属于RF/IF射频/中频RFID的射频接收器。由制造生产的MAX274射频接收器RF 接收器用于接收已调制的射频信号并对其进行解调，然后将数据传送到系统中进行处理。频率范围是 AM、FM、WB、0 Hz 至 64 GHz，数据速率为 250 bps 至 16 Gbps，数据接口包括连接器、I2C、I2S、引脚焊盘、并行、PCB、串行、焊盘、SPI、UART 和 USB。