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Product Detailed Parameters
- Description：SINGLE LINEAR CMPARATOR
- Series：*
- Mfr：Texas Instruments
- Package：Bulk
- Type：-
- Number of Elements：-
- Output Type：-
- Voltage - Supply, Single/Dual (±)：-
- Voltage - Input Offset (Max)：-
- Current - Input Bias (Max)：-
- Current - Output (Typ)：-
- Current - Quiescent (Max)：-
- CMRR, PSRR (Typ)：-
- Propagation Delay (Max)：-
- Hysteresis：-
- Operating Temperature：-
- Package / Case：-
- Mounting Type：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The LP211P is a low-power differential comparator from Texas Instruments, serving as a low-power version of the industry-standard LM211. It features an open collector and emitter output type with a typical response time of 1.2µs. The device operates on single or dual power supplies, supporting minimum voltages of 3.5V and maximums up to 30V. It draws a typical operating supply current of 150µA. Key electrical parameters include a typical voltage gain of 100 dB, input offset voltage of 7.5 mV, and input bias current of 100 nA. The component is housed in an 8-pin PDIP package and functions within a temperature range of -25°C to +85°C.
Feature Summary
- Low-power design suitable for battery-operated applications
- Differential input configuration with strobe functionality
- Open collector and emitter output flexibility
Applications
- Battery-powered instrumentation systems
- Threshold detection circuits
- Logic interface adapters
Procurement Notes
Verify the specific suffix 'P' indicates the plastic DIP package variant when ordering. Confirm that the datasheet revision matches the required specifications for your design. Ensure compatibility with existing PCB footprints designed for standard 8-pin DIP packages. Check for any lead-free or RoHS compliance requirements relevant to your manufacturing region before finalizing procurement.
Selection Notes
Select this component when low quiescent current is critical compared to standard comparators. Consider the 1.2µs response time against faster alternatives if high-speed switching is required. The open collector/emitter output allows for wired-OR configurations and level shifting. Evaluate the 7.5 mV input offset voltage against precision requirements for your specific application threshold.
Part Context
The LP211P belongs to the LP211/LP311 series, which are low-power derivatives of the widely used LM211/LM311 comparators. This series maintains pin compatibility while reducing power consumption. The 'P' suffix specifically denotes the plastic dual in-line package (PDIP) form factor, distinguishing it from ceramic or surface-mount variants within the same functional family.
Replacement Considerations
- LM211N
- LM311N
FAQ
What is the difference between the LP211 and LM211?
The LP211 is a low-power version of the LM211, offering reduced operating supply current while maintaining similar functional characteristics and pinout compatibility.
Does the LP211P support both single and dual power supplies?
Yes, the LP211P can operate with either single or dual power supplies, with a minimum voltage of 3.5V and a maximum of 30V.
