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Product Detailed Parameters
- Description：PROTOTYPE
- Series：-
- Mfr：Texas Instruments
- Package：Bulk
- Type：Differential
- Number of Elements：1
- Output Type：Open-Collector, Open-Emitter
- 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)：-
- Current - Quiescent (Max)：5mA, 6mA
- CMRR, PSRR (Typ)：-
- Propagation Delay (Max)：165ns (Typ)
- 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 LM211QDRG4HT is a precision differential comparator manufactured by Texas Instruments, housed in an SOIC-8 surface-mount package. It features open-collector and open-emitter outputs with a single channel configuration. The device operates within a supply voltage range of 3.5 V to 30 V and draws a typical operating current of 6 mA. Key electrical specifications include a response time of 115 ns, an input offset voltage of 3 mV, and an output current capability of 50 mA per channel. It supports a common-mode voltage range from -14.7 V and functions reliably across an extended temperature range of -40°C to +125°C.
Feature Summary
- Precision differential comparison architecture designed for high accuracy applications
- Versatile open-collector and open-emitter output stages for flexible interfacing
- Extended industrial temperature rating suitable for harsh environments
Applications
- Medical device signal processing circuits
- Industrial control system monitoring
- Precision threshold detection systems
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status via official documentation. Check for obsolescence notices as this specific suffix variant may be discontinued. Ensure the SOIC-8 package type matches your PCB footprint requirements before finalizing procurement decisions.
Selection Notes
Select this component when precise differential voltage comparison is required in space-constrained designs. The SOIC-8 package offers a compact solution for surface-mount assembly. Consider the 50 mA output drive capability for direct interface with logic gates or indicator loads without additional buffering components.
Part Context
This part belongs to the LM211 series of analog comparators from Texas Instruments. It serves as a specialized variant optimized for quality and reliability standards, often indicated by the 'Q' designation in the part number. The device complements standard operational amplifiers by providing dedicated fast-response comparison functionality.
Replacement Considerations
Public confirmed substitute: LM211QDRQ1.
