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Product Detailed Parameters
- Description：IC COMPARATOR 2 DIFF 8SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：General Purpose
- Number of Elements：2
- Output Type：Open-Collector, Open-Drain, Rail-to-Rail
- Voltage - Supply, Single/Dual (±)：2V ~ 36V, ±1V ~ 18V
- Voltage - Input Offset (Max)：2mV @ 30V
- Current - Input Bias (Max)：0.25µA @ 5V
- Current - Output (Typ)：20mA
- Current - Quiescent (Max)：2.5mA
- CMRR, PSRR (Typ)：-
- Propagation Delay (Max)：-
- Hysteresis：-
- Operating Temperature：-25°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 LM293ADR is a dual differential voltage comparator manufactured by Texas Instruments, designed for single-supply operation within a wide voltage range of 2 V to 30 V. It features two independent precision comparators with open-collector outputs compatible with CMOS and TTL logic families. The device operates with a typical supply current of 1 mA and offers a response time of 1.3 µs. Key electrical specifications include an input offset voltage of 2 mV, an input bias current of 250 nA, and an output current capability of 6 mA per channel. It functions reliably across a temperature range of -25°C to +85°C and is housed in an SOIC-8 surface-mount package.
Feature Summary
- Dual differential voltage comparators optimized for single-supply applications
- Open-collector outputs ensuring compatibility with various logic families
- Wide operating voltage range supporting diverse power supply configurations
Applications
- Voltage monitoring systems
- Battery management circuits
- Motor control interfaces
- Power supply regulation
Procurement Notes
Verify the specific suffix 'ADR' against the manufacturer's official datasheet to confirm the SOIC-8 package and tape-and-reel packaging configuration. Ensure the component meets the required industrial temperature range and electrical tolerances for your specific design constraints before finalizing procurement.
Selection Notes
Select this component when a dual-channel comparator with low input bias current and wide voltage tolerance is required. Consider the open-collector output structure necessitates external pull-up resistors for proper logic level interfacing. Evaluate the 1.3 µs propagation delay against system timing requirements to ensure adequate switching speed.
Part Context
The LM293ADR belongs to the LMx93/LM2903 series of dual comparers from Texas Instruments. This family includes variants such as the LM193, LM293, LM393, and LM2903, which share similar functional characteristics but may differ in performance grades or packaging options. These devices are widely used in general-purpose analog comparison tasks.
Replacement Considerations
Direct substitutes within the same family include the LM293AD and LM293DR. Verify pinout compatibility and electrical parameter alignment, particularly regarding input offset voltage and response time, when transitioning between these variants.
