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Product Detailed Parameters
- Description：IC COMPARATOR 2 DIFF 8TSSOP
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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-TSSOP (0.173", 4.40mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：8-TSSOP
- Grade：-
- Qualification：-
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Overview
The LM393PWRG3 is a dual differential comparator manufactured by Texas Instruments, designed for low-power applications. It operates within a supply voltage range of 2 V to 30 V and features an open-collector output type compatible with CMOS and TTL logic families. The device has a typical response time of 1.3 µs and draws 2.5 mA of operating supply current. It is housed in an 8-pin SOIC package (TSSOP-8 variant available) and supports a differential input configuration. The component functions without a shutdown mode and is rated for operation between 0°C and +70°C.
Feature Summary
- Dual differential comparator architecture providing two independent comparison channels
- Low-power design optimized for battery-operated systems
- Open-collector outputs ensure compatibility with various logic families
- Wide single-supply voltage operation capability
Applications
- Battery-powered monitoring circuits
- Over-voltage and under-voltage protection systems
- Temperature sensing interfaces
- Window comparator configurations
Procurement Notes
Verify the specific suffix G3 indicates RoHS compliance and manufacturing revisions consistent with Texas Instruments standards. Confirm the package designation matches the required PCB footprint, as variations exist between SOIC and TSSOP styles within the same family. Ensure the source document explicitly lists the LM393PWRG3 part number to avoid confusion with non-G3 variants or different package types like DR or PW.
Selection Notes
Select this component when a dual-channel solution is required with low quiescent current consumption. The wide supply voltage range allows flexibility in system design without level shifting. Verify that the open-collector output requirement aligns with the downstream circuit's pull-up needs. Consider thermal performance if multiple units are placed closely on the board.
Part Context
This part belongs to the LM393 series of dual differential comparators from Texas Instruments. It shares functional similarities with other members like the LM393DR and LM393APSR but differs in packaging and specific revision codes. The series is widely used in general-purpose analog comparison tasks where power efficiency is a priority.
Replacement Considerations
LM393DR and LM393APSR are functionally similar dual comparators from the same manufacturer. Cross-reference datasheets to confirm pinout compatibility and electrical parameter tolerances before substitution.
