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LTC1562IG +BOM

Quad continuous-time circuit enables advanced analog signal conditioning

Produttore:

Analog Devices, Inc
ProduttorePart #:

LTC1562IG
Scheda dati:

LTC1562IG Scheda dati (PDF)
Feature-type:

Universal
Feature-architecture:

Continuous Time
Feature-maximum-order:

8th
Feature-number-of-circuits:

4
EDA/CAD Modelli:

Richiedi modelli CAD gratuiti per LTC1562IG

LTC1562IG Descrizione generale

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.

Caratteristiche principali

Continuous Time—No Clock
Four 2nd Order Filter Sections, 10kHz to 150kHz Center Frequency
Wide Variety of Response Shapes
Lowpass, Bandpass and Highpass Responses
103dB Typical S/N, ±5V Supply>
97dB Typical S/N, Single 5V Supply>
96dB Typical S/(N + THD) at ±5V Supply, 20kHz Input
Rail-to-Rail Input and Output Voltages
DC Accurate to 3mV (Typ)
Single or Dual Supply, 5V to 10V Total
Resistor-Programmable fO, Q, Gain

Applicazione

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

Specifiche

feature-type	Universal	feature-architecture	Continuous Time
feature-maximum-order	8th	feature-number-of-circuits	4
feature-cut-off-frequency-range	100kHz to 4MHz	feature-power-supply-type	Dual\|Single
feature-packaging		feature-rad-hard
feature-pin-count	20	feature-cecc-qualified	No
feature-esd-protection		feature-escc-qualified
feature-military	No	feature-aec-qualified	No
feature-aec-qualified-number		feature-auto-motive	No
feature-p-pap	No	feature-eccn-code	EAR99
feature-svhc	Yes	feature-svhc-exceeds-threshold	Yes

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