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LTC1065CN8 +BOM

Compact active filter for low-pass applications, h order desig

Produttore:

Analog Devices, Inc
ProduttorePart #:

LTC1065CN8
Scheda dati:

LTC1065CN8 Scheda dati (PDF)
Filter Type:

Bessel, Low Pass Switched Capacitor
Frequency - Cutoff Or Center:

50kHz
Number Of Filters:

1
Filter Order:

5th
EDA/CAD Modelli:

Richiedi modelli CAD gratuiti per LTC1065CN8

LTC1065CN8 Descrizione generale

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.

Caratteristiche principali

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

Applicazione

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

Specifiche

Category	Integrated Circuits (ICs)InterfaceFilters - Active	Series	-
Filter Type	Bessel, Low Pass Switched Capacitor	Frequency - Cutoff or Center	50kHz
Number of Filters	1	Filter Order	5th
Voltage - Supply	±2.37V ~ 8V	Mounting Type	Through Hole
Base Product Number	LTC1065	Product Category	Active Filters
Cutoff Frequency	300 kHz	Number of Channels	4 Channel
Supply Voltage - Max	10.5 V	Supply Voltage - Min	4.75 V
Mounting Style	Through Hole	Development Kit	DC266B-B
Product Type	Active Filters	Subcategory	Filters

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