LM2903AQTH-13

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LM2903AQTH-13

IC COMPARATOR DUAL DIFF TSSOP-8

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規格

Supplier Diodes Incorporated
Package Tape & Reel (TR)
Series Automotive, AEC-Q100
ProductStatus Active
Type Differential
NumberofElements 2
Voltage-SupplySingle/Dual(±) 2V ~ 36V, ±1V ~ 18V
Voltage-InputOffset(Max) 2mV @ 5V
Current-InputBias(Max) 0.25µA @ 5V
Current-Output(Typ) 16mA @ 5V
Current-Quiescent(Max) 1.7mA
OperatingTemperature -40°C ~ 125°C
Package/Case 8-TSSOP (0.173, 4.40mm Width)
MountingType Surface Mount

概述

Description

The LM2903AQTH-13 is a TI dual, low-power voltage comparator in a through-hole package. It contains two independent comparators with open-collector outputs (each output must be pulled up to a logic level with a resistor). It operates on a single supply (typical range 2–36 V) and has input common-mode that includes ground (not rail-to-rail). The open-collector outputs can sink current but require pull-ups to a suitable supply.
The “AQ” suffix denotes automotive-qualified (extended temperature range) handling, and “TH” indicates through-hole packaging; “-13” is a manufacturing/revision code. Common applications include threshold and window detectors, zero-crossing detectors, voltage level shifting, and general sensor interfaces in automotive/industrial environments.
For exact pinout, recommended operating conditions, and electrical characteristics, consult the LM2903AQTH-13 datasheet.

Package

LM2903AQTH-13 comes in an 8-pin small-outline package (SOIC-8); RoHS compliant.

Pinout

- Pin count: 8 pins (DIP8/SOIC-8/TSSOP-8 variants).
- Function: Dual voltage comparator with open-collector outputs (two independent comparators; compare inputs + and −; outputs require external pull-up to a supply).

Manufacturer

- Manufacturer: Texas Instruments Incorporated (TI).
- What kind of company: A multinational American technology company that designs and manufactures semiconductors and integrated circuits, with a focus on analog and mixed-signal ICs, embedded processors, and related electronics.

Application

- Dual, open-collector voltage comparators for threshold detection
- Power-supply/charger regulation and fault protection (over/under voltage)
- Battery monitoring and low-battery warning
- Zero-crossing and timing detectors for AC control
- Window/hysteresis detectors and level-shifters
- Sensor interfaces (thermistors, photodiodes, Hall sensors)
- Thermostat, alarm, and motor protection circuits
- Interfacing to microcontrollers via wired-OR outputs

Equivalent

Equivalent products: LM393 dual comparator (the standard drop-in). LM2903 is functionally the same device; automotive-grade equivalents include LM393AQ/LM393AQTH (and similar automotive LM393 parts). Other vendors’ LM393 parts (ST, Onsemi, etc.) typically map to LM2903. For exact cross and package/pinout, use TI’s cross-reference.

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