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LTC1065 - LTC1065是DC Accurate, Clock-Tunable Linear Phase 5th Order Bessel Lowpass Filter

LTC1065是LINEAR凌力尔特公司的一款低通滤波器产品，LTC1065是LTC1065是DC Accurate, Clock-Tunable Linear Phase 5th Order Bessel Lowpass Filter，本站介绍了LTC1065的封装应用图解、特点和优点、功能等，并给出了与LTC1065相关的LINEAR元器件型号供参考。

LTC1065 - LTC1065是DC Accurate, Clock-Tunable Linear Phase 5th Order Bessel Lowpass Filter - 低通滤波器 - 信号调理 - 凌力尔特

LTC1065 - DC Accurate, Clock-Tunable Linear Phase 5th Order Bessel Lowpass Filter

LTC1065 - DC Accurate, Clock-Tunable Linear Phase 5th Order Bessel Lowpass Filter - Linear Technology（凌力尔特）

功能描述

The LTC1065 is the first monolithic filter providing both clock-tunability with low DC output offset and over 12-bit DC accuracy. The frequency response of the LTC1065 closely approximates a 5th order Bessel polynomial. With appropriate PCB layout techniques the output DC offset is typically 1mV and is constant over a wide range of clock frequencies. With ±5V supplies and ±4V input voltage range, the CMR of the device is typically 80dB.

The filter cutoff frequency is controlled either by an internal or external clock. The clock-to-cutoff frequency ratio is 100:1. The on-board clock is nearly power supply independent and it is programmed via an external RC. The 50μVRMS clock feedthrough of the device is considerably lower than other existing monolithic filters.

The LTC1065 wideband noise is 80μVRMS and it can process large AC input signals with low distortion. With ±7.5V supplies, for instance, the filter handles up to 4VRMS (94dB S/N ratio) while the standard 1kHz THD is below 0.005%; 87dB dynamic range (S/N THD) is obtained with input levels between 2VRMS and 2.5VRMS.

The LTC1065 is available in 8-pin miniDIP and 16-pin SOL. For a Butterworth response, see LTC1063 data sheet. The LTC1065 is pin compatible with the LTC1063.

特点

Clock-Tunable Cutoff Frequency

1mV DC Offset (Typical)

80dB CMR (Typical)

Internal or External Clock

50μVRMS Clock Feedthrough

100:1 Clock-to-Cutoff Frequency Ratio

80μVRMS Total Wideband Noise

0.004% Noise THD at 2VRMS Output Level

50kHz Maximum Cutoff Frequency

Cascadable for Faster Roll-Off

Operates from ±2.375 to μ8V Power Supplies

Self-Clocking with 1 RC

应用

Strain Gauge Amplifiers

Anti-Aliasing Filters

Low Level Filtering

Digital Voltmeters

Smoothing Filters

Reconstruction Filters

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)
LTC1065CN8	N-8	C	$6.70	$5.50
LTC1065CN8#PBF	N-8	C	$6.70	$5.50
LTC1065CSW	SW-16	C	$7.15	$5.90
LTC1065CSW#PBF	SW-16	C	$7.15	$5.90
LTC1065CSW#TR	SW-16	C		$5.96
LTC1065CSW#TRPBF	SW-16	C		$5.96
LTC1065IN8	N-8	I	$7.35	$6.05
LTC1065IN8#PBF	N-8	I	$7.35	$6.05
LTC1065ISW	SW-16	I	$7.90	$6.50
LTC1065ISW#PBF	SW-16	I	$7.90	$6.50
LTC1065ISW#TR	SW-16	I		$6.56
LTC1065ISW#TRPBF	SW-16	I		$6.56

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