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AM6548 датащи(PDF) 133 Page - Texas Instruments |
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AM6548 датащи(HTML) 133 Page - Texas Instruments |
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133 / 299 page ![]() t slew rate < 1E + 5 V/s slew > (supply value) / (1E + 5V/s) supply value x 10 µs Supply value SPRSP08_ELCH_06 133 AM6548, AM6528, AM6546 AM6526, AM6527 www.ti.com SPRSP08E – NOVEMBER 2017 – REVISED OCTOBER 2018 Submit Documentation Feedback Product Folder Links: AM6548 AM6528 AM6546 AM6526 AM6527 Specifications Copyright © 2017–2018, Texas Instruments Incorporated 5.11.2 Power Supply Sequencing This section describes the power-up sequence required to ensure proper device operation. The power supply names described in this section comprise a superset of a family of compatible devices. Some members of this family will not include a subset of these power supplies and their associated device modules. NOTE All timing requirements and switching characteristics in Section 5.11.3 should be strictly followed unless otherwise specified. 5.11.2.1 Power Supply Slew Rate Requirement To maintain the safe operating range of the internal ESD protection devices, TI recommends limiting the maximum slew rate of supplies to be less than 1.0E + 5 V/s. For instance, as shown in Figure 5-2, TI recommends having the supply ramp slew for a 1.8-V supply of more than 18 μs. Figure 5-2 describes the Power Supply Slew Rate Requirement of the device. Figure 5-2. Power Supply Slew and Slew Rate 5.11.2.2 Power-Up Sequencing Figure 5-3 describes the Power-Up Sequencing using On Chip Power-on-reset (POR) of the device. |
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