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TLV7021 데이터시트(PDF) 9 Page - Texas Instruments |
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TLV7021 데이터시트(HTML) 9 Page - Texas Instruments |
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9 / 18 page ![]() V + V (V - TH OS HYST ) / 2 V + V TH OS V + V + TH OS (V HYST ) / 2 9 TLV7011, TLV7021 www.ti.com SLVSDM5 – MAY 2017 Product Folder Links: TLV7011 TLV7021 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated Device Functional Modes (continued) 7.4.2 Internal Hysteresis The device hysteresis transfer curve is shown in Figure 9. This curve is a function of three components: VTH, VOS, and VHYST: • VTH is the actual set voltage or threshold trip voltage. • VOS is the internal offset voltage between VIN+ and VIN–. This voltage is added to VTH to form the actual trip point at which the comparator must respond to change output states. • VHYST is the internal hysteresis (or trip window) that is designed to reduce comparator sensitivity to noise (6 mV for the TLV3691). Figure 9. Hysteresis Transfer Curve 7.4.3 Output The TLV7011 features a push-pull output stage eliminating the need for an external pullup resistor. On the other hand, the TLV7021 features an open-drain output stage enabling the output logic levels to be compatible with the receiving device. |
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