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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：DTL, MOS, Open-Collector, Open-Emitter, RTL, TTL
- Voltage - Supply, Single/Dual (±)：3.5V ~ 30V, ±1.75V ~ 15V
- Voltage - Input Offset (Max)：3mV @ ±15V
- Current - Input Bias (Max)：0.1µA @ ±15V
- Current - Output (Typ)：50mA
- Current - Quiescent (Max)：6mA
- CMRR, PSRR (Typ)：-
- Propagation Delay (Max)：-
- Hysteresis：-
- Operating Temperature：-40°C ~ 85°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 LM211D is a high-speed, precision voltage comparator manufactured by Texas Instruments. It features a differential input stage with an open-collector output, designed for applications requiring fast response times and low offset voltage. The device operates from a single or dual power supply, offering flexibility in system design. Key electrical characteristics include a typical propagation delay of 60 ns and a slew rate of 0.5 V/µs. It is housed in an 8-pin SOIC package, suitable for surface-mount assembly.
Feature Summary
- High-speed operation with low propagation delay
- Precision performance with low input offset voltage
- Open-collector output configuration for flexible interfacing
- Capable of operating from single or dual power supplies
Applications
- Voltage monitoring circuits
- Zero-crossing detectors
- Logic level shifting
- Sample-and-hold circuits
Procurement Notes
Verify the exact part number suffix to ensure correct packaging and temperature range. Confirm that the supplier provides original manufacturer documentation. Check for RoHS compliance status if required by your manufacturing standards. Ensure the distributor is authorized to prevent counterfeit components. Review the datasheet for specific handling and storage recommendations.
Selection Notes
Consider the LM211D when high speed and precision are critical. Evaluate the power supply requirements against your system's available rails. Assess the need for open-collector outputs versus push-pull configurations. Compare propagation delay specifications with other comparators if timing constraints are tight. Verify package compatibility with your PCB layout.
Part Context
The LM211 belongs to a family of general-purpose comparators known for their balance of speed and accuracy. It serves as a standard component in analog signal processing tasks where rapid decision-making based on voltage thresholds is necessary. Its widespread adoption stems from its reliability and ease of integration into various electronic designs.
Replacement Considerations
Potential substitutes include the LM311 or LM339, though pinouts and electrical characteristics may differ. Verify compatibility regarding supply voltage ranges and output drive capabilities before substitution. Consult official replacement guides from Texas Instruments for validated alternatives.
