Part Details for LMV551 by Texas Instruments
Overview of LMV551 by Texas Instruments
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Available Datasheets
Part # | Manufacturer | Description | Datasheet |
---|---|---|---|
LMV551MF/NOPB | Texas Instruments | 3 MHz, Micropower RRO Amplifier 5-SOT-23 -40 to 125 | |
LMV551QDCKRQ1 | Texas Instruments | Automotive 3-MHz, Micropower RRO Amplifier 5-SC70 -40 to 125 | |
LMV551MGX/NOPB | Texas Instruments | 3 MHz, Micropower RRO Amplifier 5-SC70 -40 to 125 |
Part Details for LMV551
LMV551 CAD Models
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Reference Designs related to LMV551
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EMC Compliant: Group Isolated: 2-Channel Binary Input Module for Wide AC/DC Input Reference Design
This reference design showcases a cost-optimized architecture that improves resolution of a binary-input module. A microcontroller unit (MCU) is shared between two-input channels (group isolation) to minimize the cost per channel. Wide-input range is covered using an amplifier with gain and MCU-integrated 10-bit analog-to-digital converter (ADC) to measure within ±3% accuracy. This architecture eliminates the need for multiple hardware versions based on input voltage range as is the case with an opto-coupler based topology. A digital isolator is used to communicate the ADC code or the root-mean-square estimate of the input to the host processor. The design is tested for ESD: EFT and surge as per IEC61000-4 Level 4.