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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TDF8599TH датащи(PDF) 11 Page - NXP Semiconductors |
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TDF8599TH датащи(HTML) 11 Page - NXP Semiconductors |
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11 / 52 page  TDF8599_1 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 01 — 13 November 2008 11 of 52 NXP Semiconductors TDF8599 Class-D power amplifier with load diagnostics directly. Values for CPLL_s, CPLL_p and RPLL depend on the desired loop bandwidth (BWPLL) of the PLL. RPLL is given by: RPLL = 8.4 × BWPLL Ω. The corresponding values for CPLL_s and CPLL_p are given by: (3) Remark: CPLL_P is only needed when π/4 phase shift is selected. See Section 8.4.2 for more detailed information. (4) When pin OSCIO is connected to a clock-master with Spread spectrum mode enabled, the PLL loop bandwidth BWPLL should be 100 × fSSM. See Table 7 for all oscillator modes. 8.4 Operation mode selection Pin MOD is used to select specific operation modes. The resistor (RMOD) connected between pins MOD and AGND determines the operation mode. The mode of operation depends on whether non-I2C-bus mode or I2C-bus mode is active. This is in turn determined by the resistor value connected between pins ADS and AGND. a. Off b. On Fig 9. Phase lock operation Table 7. Oscillator modes OSCSET pin OSCIO pin SSM pin Oscillator modes Rosc > 26 kΩ output Cssm master, spread spectrum Rosc > 26 kΩ output shorted to AGND master, no spread spectrum Rosc =0 Ω input CPLL + RPLL slave, PLL enabled Rosc =0 Ω input shorted to AGND slave, PLL disabled C PLL_p 0.032 R PLL BW PLL × ------------------------------------ F [] = C PLL_s 0.8 R PLL BW PLL × ------------------------------------ F [] = 001aai776 100 µA SSM OSCSET PLL 001aai777 100 µA PLL OSCSET RPLL CPLL_P(1) CPLL_s SSM |
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