LTC1443IDHD#TRPBF

$3.60

Description：IC COMPARATOR 4 W/VOLT REF 16DFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)

SKU:e01e3c228249 Category: Comparators Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC COMPARATOR 4 W/VOLT REF 16DFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)
Type：with Voltage Reference
Number of Elements：4
Output Type：CMOS, TTL
Voltage - Supply, Single/Dual (±)：2V ~ 11V, ±1V ~ 5.5V
Voltage - Input Offset (Max)：10mV @ 5V
Current - Input Bias (Max)：-
Current - Output (Typ)：0.015mA @ 5V
Current - Quiescent (Max)：8.5µA
CMRR, PSRR (Typ)：80dB CMRR, 80dB PSRR
Propagation Delay (Max)：12µs
Hysteresis：-
Operating Temperature：-40°C ~ 85°C
Package / Case：16-WFDFN Exposed Pad
Mounting Type：Surface Mount
Supplier Device Package：16-DFN (5x4)
Grade：-
Qualification：-

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LTC1443IDHD#TRPBF

Overview

The LTC1443IDHD#TRPBF is an ultralow power quad comparator with a built-in reference, housed in a 16-lead (5mm × 4mm) plastic DFN package. It operates from a single 2V to 11V supply or a dual ±1V to ±5.5V supply. The device features less than 8.5µA supply current over temperature and includes an internal 1.182V ±1% reference for the LTC1443. Outputs are TTL/CMOS compatible, capable of sourcing up to 40mA continuously. Propagation delay is typically 12µs with 10mV overdrive.

Feature Summary

Ultralow quiescent current consumption across operating temperatures
Integrated voltage reference output capable of driving bypass capacitors without oscillation
TTL and CMOS compatible outputs with high continuous source current capability
Elimination of crowbar switching currents during logic state transitions

Applications

Battery-powered system monitoring
Threshold detectors
Window comparators
Oscillator circuits

Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when ordering. Confirm the ID grade corresponds to the industrial temperature range of –40°C to 85°C. Ensure the DFN16 footprint matches the design layout. Check for RoHS compliance status as specified in the manufacturer's documentation.

Selection Notes

Select this component for applications requiring multiple comparators with minimal power draw. The LTC1443 provides a fixed internal reference, unlike the LTC1444/LTC1445 which offer programmable hysteresis. Verify that the input common mode range extending to V+ minus 1.3V meets signal requirements. Consider the exposed pad connection for thermal management if necessary.

Part Context

This part belongs to the LTC1443/LTC1444/LTC1445 family of micropower comparators. It shares pin compatibility with other devices in the series but differs in reference voltage and hysteresis capabilities. The ID variant specifically denotes the industrial temperature rating within the DFN package lineup.