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AMC7812SPAPR датащи(PDF) 63 Page - Texas Instruments |
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AMC7812SPAPR датащи(HTML) 63 Page - Texas Instruments |
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63 / 92 page ![]() AMC7812 www.ti.com SBAS513E – JANUARY 2011 – REVISED SEPTEMBER 2013 η-FACTOR CORRECTION REGISTER (Read/Write, Addresses = 21h and 22h) Only the low byte is used; the high byte is ignored. When using the SPI interface, the following bit configuration must be used; (Default = 0000h). MSB LSB BIT 15 BIT 14 BIT 13 BIT 12 BIT 11 BIT 10 BIT 9 BIT 8 BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 0 0 0 0 0 0 0 0 NADJUST When using the I2C, the following bit configuration must be used; (Default = 00FFh). MSB LSB BIT 15 BIT 14 BIT 13 BIT 12 BIT 11 BIT 10 BIT 9 BIT 8 BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0 NADJUST 1 1 1 1 1 1 1 1 The NADJUST value for ideality correction is stored as shown in Table 14. ηEFF is the actual ideality of the transistor being used. Refer to the Ideality Factor section for more details. Table 14. NADJUST and ηEFF Values NADJUST BINARY HEX DECIMAL ηEFF 0111 1111 7F 127 1.747977 0000 1010 0A 10 1.042759 0000 1000 08 8 1.035616 0000 0110 06 6 1.028571 0000 0100 04 4 1.021622 0000 0010 02 2 1.014765 0000 0001 01 1 1.011371 0000 0000 00 0 1.008 (Default) 1111 1111 FF –1 1.004651 1111 1110 FE –2 1.001325 1111 1100 FC –4 0.994737 1111 1010 FA –6 0.988235 1111 1000 F8 –8 0.981818 1111 0110 F6 –10 0.975484 1000 0000 80 –128 0.706542 Copyright © 2011–2013, Texas Instruments Incorporated Submit Documentation Feedback 63 Product Folder Links: AMC7812 |
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