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Product Detailed Parameters
- Description：IC COMPARATOR 1 GEN PUR 8SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：General Purpose
- Number of Elements：1
- Output Type：DTL, MOS, Open-Collector, Open-Emitter, RTL, TTL
- Voltage - Supply, Single/Dual (±)：5V ~ 36V, ±2.5V ~ 18V
- 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 LM311MX/NOPB is a high-speed differential comparator manufactured by Texas Instruments, housed in an 8-pin SOIC package. It features a single channel with open-collector outputs compatible with CMOS and TTL logic families. The device operates within a supply voltage range of 3.5V to 30V and supports dual supplies up to +/-18V. Key electrical parameters include a typical response time of 200ns, a maximum input offset voltage of 10mV, and a quiescent current of 7.5mA. It functions reliably across a temperature range of 0°C to 70°C.
Feature Summary
- Provides differential comparison capabilities with strobe functionality for precise signal timing control.
- Features open-collector outputs that facilitate direct interfacing with various digital logic families including CMOS and TTL.
- Supports wide common-mode voltage ranges extending beyond the positive supply rail.
Applications
- Voltage monitoring systems requiring fast threshold detection.
- Logic level shifting between different voltage domains.
- Pulse generation circuits utilizing external timing components.
Procurement Notes
Verify the specific suffix 'MX' against the manufacturer's official datasheet to confirm the tape-and-reel packaging configuration and ensure it matches the required surface-mount assembly process. Confirm RoHS compliance status as indicated by the 'NOPB' designation in current production notices.
Selection Notes
Select this component when a single-channel comparator with strobe input is required for applications demanding moderate speed and wide supply voltage flexibility. Ensure the design accommodates the open-collector output structure by providing appropriate pull-up resistors for the desired logic levels.
Part Context
This part belongs to the LM311 family of high-speed comparators from Texas Instruments. It serves as a standard solution for general-purpose analog-to-digital conversion interfaces and waveform shaping tasks where cost-effective performance and broad compatibility are prioritized over ultra-high precision or low-power consumption.
Replacement Considerations
Compatible substitutes include LM311DR, LM311DRE4, and LM311M/NOPB. Verify pinout compatibility and electrical specifications before implementation.
