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LTC1562 - 典型应用图例:
LTC1562典型应用图例一
LTC1562典型应用图例二
LTC1562 - 封装图解:
LTC1562封装图解一
LTC1562封装图解二
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Linear产品 - LTC1562介绍
LTC1562 - LTC1562是Very Low Noise, Low Distortion Active RC Quad Universal Filter

LTC1562是Linear公司的一款滤波器单元式部件产品,LTC1562是Very Low Noise, Low Distortion Active RC Quad Universal Filter,本站介绍了LTC1562的封装应用图解、特点和优点、功能等,并给出了与LTC1562相关的凌力尔特元器件型号供参考。

LTC1562 - Very Low Noise, Low Distortion Active RC Quad Universal Filter

LTC1562 - Very Low Noise, Low Distortion Active RC Quad Universal Filter - Linear Technology(凌力尔特)

功能描述

The LTC1562 is a low noise, low distortion continuous-time filter with rail-to-rail inputs and outputs, optimized for a center frequency (fO) of 10kHz to 150kHz. Unlike most monolithic filters, no clock is needed. Four independent 2nd order filter blocks can be cascaded in any combination, such as one 8th order or two 4th order filters. Each block’s response is programmed with three external resistors for center frequency, Q and gain, using simple design formulas. Each 2nd order block provides lowpass and bandpass outputs. Highpass response is available if an external capacitor replaces one of the resistors. Allpass, notch and elliptic responses can also be realized.

The LTC1562 is designed for applications where dynamic range is important. For example, by cascading 2nd order sections in pairs, the user can configure the IC as a dual 4th order Butterworth lowpass filter with 94dB signal-to-noise ratio from a single 5V power supply. Low level signals can exploit the built-in gain capability of the LTC1562. Varying the gain of a section can achieve a dynamic range as high as 118dB with a ±5V supply.

Other cutoff frequency ranges can be provided upon request. Please contact LTC Marketing.

特点
  • Continuous Time—No Clock
  • Four 2nd Order Filter Sections, 10kHz to 150kHz Center Frequency
  • ±0.5% Typical Center Frequency Accuracy
  • ±0.3% Typical Center Frequency Accuracy (A Grade)
  • Wide Variety of Response Shapes
  • Lowpass, Bandpass and Highpass Responses
  • 103dB Typical S/N, ±5V Supply (Q = 1)
  • 97dB Typical S/N, Single 5V Supply (Q = 1)
  • 96dB Typical S/(N + THD) at ±5V Supply, 20kHz Input
  • Rail-to-Rail Input and Output Voltages
  • DC Accurate to 3mV (Typ)
  • “Zero-Power” Shutdown Mode
  • Single or Dual Supply, 5V to 10V Total
  • Resistor-Programmable fO, Q, Gain
  • 应用
  • High Resolution Systems (14 Bits to 18 Bits)
  • Antialiasing/Reconstruction Filters
  • Data Communications, Equalizers
  • Dual or I-and-Q Channels (Two Matched 4th Order Filters in One Package)
  • Linear Phase Filtering
  • Replacing LC Filter Modules
  • 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)
    LTC1562ACG SSOP-20 C $13.90 $11.75
    LTC1562ACG#PBF SSOP-20 C $13.90 $11.75
    LTC1562ACG#TR SSOP-20 C $11.85
    LTC1562ACG#TRPBF SSOP-20 C $11.85
    LTC1562AIG SSOP-20 I $15.30 $12.95
    LTC1562AIG#PBF SSOP-20 I $15.30 $12.95
    LTC1562AIG#TR SSOP-20 I $13.05
    LTC1562AIG#TRPBF SSOP-20 I $13.05
    LTC1562CG SSOP-20 C $10.20 $8.95
    LTC1562CG#PBF SSOP-20 C $10.20 $8.95
    LTC1562CG#TR SSOP-20 C $9.05
    LTC1562CG#TRPBF SSOP-20 C $9.05
    LTC1562CN N-16 C $10.35 $8.95
    LTC1562CN#PBF N-16 C $10.35 $8.95
    LTC1562IG SSOP-20 I $11.75 $10.30
    LTC1562IG#PBF SSOP-20 I $11.75 $10.30
    LTC1562IG#TR SSOP-20 I $10.40
    LTC1562IG#TRPBF SSOP-20 I $10.40
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