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LM2901VQPWRQ1 Folha de dados(PDF) 10 Page - Texas Instruments |
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LM2901VQPWRQ1 Folha de dados(HTML) 10 Page - Texas Instruments |
10 / 20 page 1OUT 1 1INí 2 1IN+ 3 GND 4 VCC 7 2OUT 6 2INí 5 2IN+ 0.1PF Ground Bypass Capacitor Negative Supply or Ground Positive Supply 0.1PF Ground Only needed for dual power supplies 14 13 12 11 8 9 10 3INí 3IN+ 4INí 4IN+ 3OUT 4OUT 10 LM2901-Q1, LM2901V-Q1, LM2901AV-Q1 SLCS142E – DECEMBER 2003 – REVISED MAY 2016 www.ti.com Product Folder Links: LM2901-Q1 LM2901V-Q1 LM2901AV-Q1 Submit Documentation Feedback Copyright © 2003–2016, Texas Instruments Incorporated 9 Power Supply Recommendations For fast response and comparison applications with noisy or AC inputs, TI recommends using a bypass capacitor on the supply pin to reject any variation on the supply voltage. This variation can take away from some of the input common mode range of the comparator and create an inaccurate comparison. 10 Layout 10.1 Layout Guidelines For accurate comparator applications without hysteresis, maintaining a stable power supply with minimized noise and glitches, which can affect the high-level input common-mode voltage range, is important. To achieve a stable power supply, place a bypass capacitor between the positive and negative (if available) supply voltage and ground. If a negative supply is not being used, do not put a capacitor between the GND pin of the IC and system ground. 10.2 Layout Example Figure 7. LM2901x-Q1 Layout Example |
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