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LTC1065, LTC1065CSW., LTC1065IS

Table of contents:
Info of LTC1065
Info of LTC1065CSW.
Info of LTC1065IS

LTC1065, LTC1065CSW., LTC1065IS Selling Leads, Datasheet

MFG:904 Package Cooled:SOP16 D/C:04+

LTC1065, LTC1065CSW., LTC1065IS Datasheet download

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Part Number: LTC1065

MFG: 904

Package Cooled: SOP16

D/C: 04+

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LTC1065 General Description

The LTC1065 is the first monolithic filter providing bothclock-tunability with low DC output offset and over 12-bitDC accuracy. The frequency response of the LTC1065closely approximates a 5th order Bessel polynomial. Withappropriate PCB layout techniques the output DC offset istypically 1mV and is constant over a wide range of clockfrequencies. With ±5V supplies and ±4V input voltagerange, the CMR of the device is typically 80dB.

The filter cutoff frequency is controlled either by an inter-nal or external clock. The clock-to-cutoff frequency ratio is100 : 1. The on-board clock is nearly power supply inde-pendent and it is programmed via an external RC. The50µVRMS clock feedthrough of the device is considerablylower than other existing monolithic filters.

The LTC1065 wideband noise is 80µVRMS and it canprocess large AC input signals with low distortion. With±7.5V supplies, for instance, the filter handles up to4VRMS (94dB S/N ratio) while the standard 1kHz THD isbelow 0.005%; 87dB dynamic range (S/N + THD) is ob-tained 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. TheLTC1065 is pin compatible with the LTC1063.

LTC1065 Maximum Ratings

Total Supply Voltage (V⁺to V^–) ................................ 16.5V
Power Dissipation.................................................. 400mW
Voltage at Any Input .... (V^– – 0.3V) ≤ V_IN ≤ (V⁺ + 0.3V)
Burn-In Voltage ........................................................... 16V
Storage Temperature Range ................ –65°C to 150°C
Operating Temperature Range
LTC1065C.............................................. – 40°C to 85°C
LTC1065M............................................. –55°C to 125°C
Lead Temperature (Soldering, 10 sec) .................. 300°C

LTC1065 Features

● 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 ±8V Power Supplies
● Self-Clocking with 1 RC

LTC1065 Typical Application

● Audio
● Strain Gauge Amplifiers
● Anti-Aliasing Filters
● Low Level Filtering
● Digital Voltmeters
● Smoothing Filters
● Reconstruction Filters

LTC1065 Connection Diagram

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