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Product Detailed Parameters
- Description：IC COMPARATOR 4 GEN PUR 14SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：General Purpose
- Number of Elements：4
- Output Type：CMOS, MOS, Open-Collector
- Voltage - Supply, Single/Dual (±)：3V ~ 30V, ±1.5V ~ 15V
- Voltage - Input Offset (Max)：5mV @ 30V
- Current - Input Bias (Max)：0.025µA @ 5V
- Current - Output (Typ)：30mA @ 5V
- Current - Quiescent (Max)：100µA
- CMRR, PSRR (Typ)：-
- Propagation Delay (Max)：-
- Hysteresis：-
- Operating Temperature：0°C ~ 70°C
- Package / Case：14-SOIC (0.154", 3.90mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：14-SOIC
- Grade：-
- Qualification：-
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Overview
The LP339DRG4 is a quad low-power differential comparator manufactured by Texas Instruments. It operates within a supply voltage range of 5 V to 30 V and draws a typical operating current of 25 µA. The device features rail-to-rail output capability with a maximum output current of 20 mA per channel. Key electrical parameters include a response time of 1.3 µs, an input offset voltage of 5 mV, and an input bias current of 25 nA. It is housed in a 14-pin SOIC package and supports operation from 0°C to +70°C.
Feature Summary
- Quad low-power differential architecture designed for energy-efficient applications
- Rail-to-rail output stage providing full voltage swing capability
- Wide single-supply voltage operational range supporting diverse power environments
Applications
- Low-power general-purpose analog signal comparison
- Battery-operated electronic systems requiring minimal quiescent current
- Commercial grade temperature monitoring circuits
Procurement Notes
Verify the specific suffix 'G4' indicates lead-free compliance and RoHS adherence as per Texas Instruments standards. Confirm the SOIC-14 package dimensions match your PCB footprint requirements. Ensure the commercial temperature range (0°C to +70°C) aligns with your environmental specifications. Cross-reference the datasheet revision date to ensure compatibility with your design constraints.
Selection Notes
Select this component when low quiescent current is critical compared to standard comparators like the LM139 or LM339. The LP339 offers significantly lower power consumption at the cost of slower response times. Verify that the rail-to-rail output meets your logic level requirements without additional pull-up resistors if necessary. Consider the commercial temperature range limitations against your application environment.
Part Context
The LP339 series represents Texas Instruments' low-power variant of the industry-standard quad differential comparator family. It shares pinout compatibility with the LM339 but optimizes for reduced power dissipation. The DRG4 designation specifies the surface-mount SOIC-14 package with green (lead-free/RoHS) manufacturing attributes. It serves as a direct drop-in replacement for legacy designs prioritizing efficiency over speed.
Replacement Considerations
The LP339DR is the non-green equivalent part number. For higher speed requirements, consider the LM139DR despite its higher power consumption. The LM339DR offers similar functionality but may differ in input bias current characteristics.
