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Product Detailed Parameters
- Description：IC COMPARATOR 2 GEN PUR 14DIP
- Series：-
- Mfr：Texas Instruments
- Package：Tube
- Type：General Purpose
- Number of Elements：2
- Output Type：DTL, Open-Collector, Open-Emitter, RTL, TTL
- Voltage - Supply, Single/Dual (±)：5V ~ 36V, ±2.5V ~ 18V
- Voltage - Input Offset (Max)：8mV @ ±15V
- Current - Input Bias (Max)：1µA @ ±15V
- Current - Output (Typ)：-
- Current - Quiescent (Max)：12.5mA
- CMRR, PSRR (Typ)：-
- Propagation Delay (Max)：-
- Hysteresis：-
- Operating Temperature：0°C ~ 70°C
- Package / Case：14-DIP (0.300", 7.62mm)
- Mounting Type：Through Hole
- Supplier Device Package：14-PDIP
- Grade：-
- Qualification：-
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Overview
The LM319N/NOPB is a high-speed dual comparator manufactured by Texas Instruments, designed for general-purpose analog signal processing. It features an open-collector output configuration capable of driving loads directly. The device operates within a supply voltage range of 5 V to 36 V and draws a typical operating supply current of 4.3 mA. Key electrical specifications include a maximum input offset voltage of 8 mV, an input bias current of 1 uA, and a response time of 80 ns. It is housed in a 14-pin MDIP through-hole package and supports operation at temperatures from 0 C to +70 C.
Feature Summary
- High-speed response capability suitable for rapid signal comparison tasks
- Open-collector output design allowing direct drive of various logic families
- Wide single-supply voltage compatibility ranging from 5 V to 36 V
Applications
- Fast A/D converter interface circuits
- Waveform shaping applications
- Industrial sensor threshold detection systems
Procurement Notes
Verify the specific package type upon ordering, as the suffix 'N' indicates a through-hole MDIP package, distinct from surface-mount variants like 'M'. Confirm RoHS compliance status via the manufacturer's official documentation before integration. Ensure the selected component matches the required pinout and thermal characteristics for the target PCB layout.
Selection Notes
Select this component when high-speed comparison is required with open-collector outputs compatible with TTL, DTL, or RTL logic levels. It is suitable for designs needing wide supply voltage flexibility and direct load driving without additional buffer stages. Consider the through-hole packaging constraints during mechanical design.
Part Context
This part belongs to the LM319 series of analog comparators from Texas Instruments. It is a dual-channel device intended for general-purpose applications requiring fast response times. The NOPB suffix denotes lead-free construction compliant with environmental standards, replacing older non-compliant versions while maintaining identical electrical performance.
Replacement Considerations
LM319MX/NOPB (Surface Mount SOIC-14 variant)
FAQ
What logic families are compatible with the LM319N/NOPB output?
The open-collector output is compatible with RTL, DTL, and TTL logic families.
Does the LM319N/NOPB support dual power supplies?
Yes, it supports single supply voltages from 5 V to 36 V or dual supplies from ±2.5 V to ±18 V.
