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Product Detailed Parameters
- Description：IC COMPARATOR 2 DIFF 8DIP
- Series：-
- Mfr：Texas Instruments
- Package：Tube
- Type：General Purpose
- Number of Elements：2
- Output Type：Open-Collector, Rail-to-Rail
- Voltage - Supply, Single/Dual (±)：2V ~ 36V, ±1V ~ 18V
- Voltage - Input Offset (Max)：5mV @ 30V
- Current - Input Bias (Max)：0.25µA @ 5V
- Current - Output (Typ)：20mA
- Current - Quiescent (Max)：2.5mA
- CMRR, PSRR (Typ)：-
- Propagation Delay (Max)：-
- Hysteresis：-
- Operating Temperature：0°C ~ 70°C
- Package / Case：8-DIP (0.300", 7.62mm)
- Mounting Type：Through Hole
- Supplier Device Package：8-PDIP
- Grade：-
- Qualification：-
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Overview
The LM393P is a dual differential voltage comparator manufactured by Texas Instruments, designed for operation from a wide range of single-supply voltages. It features two independent comparators with open-collector outputs that support wired-AND functionality. The device operates within a supply voltage range of 2 V to 36 V and includes ground in its common-mode input voltage range. It utilizes a PDIP-8 package suitable for through-hole mounting.
Feature Summary
- Dual independent voltage comparators designed for single-supply operation across a wide voltage range
- Open-collector outputs compatible with CMOS and TTL logic families
- Common-mode input voltage range extends to ground potential
Applications
- General-purpose analog signal comparison circuits
- Temperature sensing systems using threshold detection
- Supply voltage monitoring applications
Procurement Notes
Verify the specific suffix 'P' indicates the PDIP-8 through-hole package variant when sourcing. Confirm the commercial grade temperature rating aligns with system requirements. Ensure the open-collector output configuration matches the pull-up resistor design in the target circuit. Cross-reference the manufacturer part number against official Texas Instruments documentation to avoid counterfeit components.
Selection Notes
Select this component when a dual-channel comparator with ground-referenced inputs is required for single-supply designs. The open-collector output allows flexible interfacing with various logic levels. Consider the PDIP-8 package constraints if board space or thermal management differs from surface-mount alternatives. Evaluate the 1.3 µs response time against signal frequency requirements.
Part Context
This component belongs to the LM393 family of dual comparators. It shares functional similarities with variants like LM393DR (SOIC package) and LM393PSR (SOIC package), differing primarily in physical packaging and mounting style. The LM393P specifically denotes the plastic dual in-line package version intended for through-hole assembly.
Replacement Considerations
- LM393DR
- LM393PSR
