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Datenblatt-Suchmaschine für elektronische Bauteile |
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LM393-MILDGK Datenblatt(PDF) 8 Page - Texas Instruments |
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LM393-MILDGK Datenblatt(HTML) 8 Page - Texas Instruments |
8 / 14 page ![]() + LM393-MIL VLOGIC VSUP Vref Vin + LM393-MIL Vin- Vin+ Rpullup Rpullup VLOGIC VSUP CL CL Copyright © 2017, Texas Instruments Incorporated 8 LM393-MIL SLCS162 – JUNE 2017 www.ti.com Product Folder Links: LM393-MIL Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated 8 Application and Implementation NOTE Information in the following applications sections is not part of the TI component specification, and TI does not warrant its accuracy or completeness. TI’s customers are responsible for determining suitability of components for their purposes. Customers should validate and test their design implementation to confirm system functionality. 8.1 Application Information LM393-MIL will typically be used to compare a single signal to a reference or two signals against each other. Many users take advantage of the open drain output to drive the comparison logic output to a logic voltage level to an MCU or logic device. The wide supply range and high voltage capability makes LM393-MIL optimal for level shifting to a higher or lower voltage. 8.2 Typical Application Figure 7. Single-Ended and Differential Comparator Configurations 8.2.1 Design Requirements For this design example, use the parameters listed in Table 1 as the input parameters. Table 1. Design Parameters DESIGN PARAMETER EXAMPLE VALUE Input Voltage Range 0 V to Vsup-1.5 V Supply Voltage 2 V to 36 V Logic Supply Voltage 2 V to 36 V Output Current (RPULLUP) 1 μA to 20 mA Input Overdrive Voltage 100 mV Reference Voltage 2.5 V Load Capacitance (CL) 15 pF 8.2.2 Detailed Design Procedure When using LM393-MIL in a general comparator application, determine the following: • Input Voltage Range • Minimum Overdrive Voltage • Output and Drive Current • Response Time 8.2.2.1 Input Voltage Range When choosing the input voltage range, the input common mode voltage range (VICR) must be taken in to account. If temperature operation is above or below 25°C the VICR can range from 0 V to VCC– 2.0 V. This limits the input voltage range to as high as VCC– 2.0 V and as low as 0 V. Operation outside of this range can yield incorrect comparisons. |
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