LTC1064-4 - LTC1064-4是Low Noise, 8th Order, Clock Sweepable Cauer Lowpass Filter

LTC1064-4是LINEAR凌力尔特公司的一款低通滤波器产品，LTC1064-4是LTC1064-4是Low Noise, 8th Order, Clock Sweepable Cauer Lowpass Filter，本站介绍了LTC1064-4的封装应用图解、特点和优点、功能等，并给出了与LTC1064-4相关的LINEAR元器件型号供参考。

LTC1064-4 - LTC1064-4是Low Noise, 8th Order, Clock Sweepable Cauer Lowpass Filter - 低通滤波器 - 信号调理 - 凌力尔特

LTC1064-4 - Low Noise, 8th Order, Clock Sweepable Cauer Lowpass Filter

LTC1064-4 - Low Noise, 8th Order, Clock Sweepable Cauer Lowpass Filter - Linear Technology（凌力尔特）

功能描述

The LTC1064-4 is an 8th order, clock sweepable Cauer lowpass switched capacitor filter. An external TTL or CMOS clock programs the value of the filter's cutoff frequency. With Pin 10 at V+, the fCLK to fCUTOFF ratio is 50:1; the filter has a Cauer response and with compensation the passband ripple is ±0.1dB. The stopband attenuation is 80dB at 2×fCUTOFF. Cutoff frequencies up to 100kHz can be achieved. With Pin 10 at V, the fCLK to f-3dB ratio is 100:1, the filter has a transitional Butterworth-Cauer response with lower noise and lower delay nonlinearity than the Cauer response. The stopband attenuation at 2.5 x f-3dB is 92dB. Cutoff frequencies up to 50kHz can be achieved.

The LTC1064-4 features low noise and low harmonic distortion even when input voltages up to 3VRMS are applied. The LTC1064-4 overall performance competes with equivalent multiple op amp active realizations. The LTC1064-4 is pin compatible with the LTC1064-1, LTC1064-2 and LTC1064-3.

The LTC1064-4 is manufactured using Linear Technology's enhanced LTCMOS? silicon gate process.

特点

8th Order Filter in a 14-Pin Package

80dB or More Stopband Attenuation

at 2 x fCUTOFF

50:1 fCLK to fCUTOFF Ratio (Cauer)

100:1 fCLK to f-3dB Ratio (Transitional)

135μVRMS Total Wideband Noise

0.03% THD or Better

100kHz Maximum fCUTOFF Frequency

Operates up to ±8V Power Supplies

Input Frequency Range up to 50 Times the Filter Cutoff Frequency

应用

Antialiasing Filters

Telecom Filters

Sinewave Generators

以下列出了不同封装及包装形式的具体型号,并标出了直接在linear官网上订货的价格（美元）

器件型号	封装	温度	价格 (以 1 ~ 99 片为批量)	价格 (以 1000 片为批量)
LTC1064-4CN	N-14	C	$16.70	$13.70
LTC1064-4CN#PBF	N-14	C	$16.70	$13.70
LTC1064-4CSW	SW-16	C	$20.85	$16.90
LTC1064-4CSW#PBF	SW-16	C	$20.85	$16.90
LTC1064-4CSW#TR	SW-16	C		$16.96
LTC1064-4CSW#TRPBF	SW-16	C		$16.96
LTC1064-4MJ	TSSOP-14	M		$78.60

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