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Product Detailed Parameters
- Description：IC COMPARATOR 1 GEN PUR 8SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tube
- Type：General Purpose
- Number of Elements：1
- Output Type：MOS, Open-Collector, Open-Emitter, TTL
- Voltage - Supply, Single/Dual (±)：3.5V ~ 30V, ±1.75V ~ 15V
- Voltage - Input Offset (Max)：7.5mV @ ±15V
- Current - Input Bias (Max)：0.25µA @ ±15V
- Current - Output (Typ)：-
- Current - Quiescent (Max)：7.5mA
- CMRR, PSRR (Typ)：-
- Propagation Delay (Max)：-
- Hysteresis：-
- Operating Temperature：0°C ~ 70°C
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The LM311DG4 is a high-speed differential comparator manufactured by Texas Instruments, housed in an 8-SOIC surface-mount package. It operates within a supply voltage range of 3.5V to 30V (single) or ±1.75V to ±15V (dual). Key electrical specifications include a maximum input offset voltage of 7.5mV at ±15V and a maximum average bias current of 0.25µA at ±15V. The device supports MOS, open-collector, open-emitter, and TTL output types with a maximum static current of 7.5mA. It functions reliably across a temperature range of 0°C to 70°C.
Feature Summary
- Features a differential input configuration with strobe capability for precise signal comparison.
- Provides versatile output compatibility including MOS, open-collector, open-emitter, and TTL interfaces.
- Designed for high-speed operation suitable for demanding timing applications.
Applications
- High-speed voltage monitoring systems
- Zero-crossing detection circuits
- Logic level translation between different voltage domains
Procurement Notes
Verify the specific suffix 'DG4' confirms the lead-free RoHS-compliant variant within the 8-SOIC package. Confirm the manufacturer source is Texas Instruments to ensure authenticity. Check for any recent Product Change Notifications regarding assembly sites or material updates that may affect long-term availability or compliance status.
Selection Notes
Select this component when a single-channel comparator with flexible output drive options is required. Ensure the application voltage does not exceed the 30V single-supply limit. Consider the 7.5mV offset voltage specification if high precision is critical. Verify that the 8-SOIC footprint matches the PCB layout constraints.
Part Context
This part belongs to the LM111/LM211/LM311 family of comparators. The 'D' indicates the SOIC package, while 'G4' denotes the lead-free and RoHS-compliant manufacturing standard. It serves as a general-purpose solution for analog-to-digital interface tasks requiring fast response times.
Replacement Considerations
LM311DRG4: Tape and reel version of the same die and package.
FAQ
What output configurations are supported?
The LM311DG4 supports MOS, open-collector, open-emitter, and TTL output types.
Is this component lead-free?
Yes, the G4 suffix indicates it is a lead-free, RoHS-compliant device.
