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AD9547/PCBZ 数据表(PDF) 83 Page - Analog Devices |
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AD9547/PCBZ 数据表(HTML) 83 Page - Analog Devices |
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83 / 104 page ![]() AD9547 Rev. 0 | Page 83 of 104 Table 100. Tolerance—Profile 2 Address Bit Bit Name Description 0x0688 [7:0] Inner tolerance Inner tolerance, Bits[7:0]. 0x0689 [7:0] Inner tolerance, Bits[15:8]. 0x068A [7:4] Unused Unused. [3:0] Inner tolerance Inner tolerance, Bits[19:16]. 0x068B [7:0] Outer tolerance Outer tolerance, Bits[7:0]. 0x068C [7:0] Outer tolerance, Bits[15:8]. 0x068D [7:4] Unused Unused. [3:0] Outer tolerance Outer tolerance, Bits[19:16]. Table 101. Validation Timer—Profile 2 Address Bit Bit Name Description 0x068E [7:0] Validation timer (expressed in units of ms) Validation timer, Bits[7:0]. 0x068F [7:0] Validation timer, Bits[15:8]. Table 102. Redetect Timer—Profile 2 Address Bit Bit Name Description 0x0690 [7:0] Redetect timer (expressed in units of ms) Redetect timer, Bits[7:0]. 0x0691 [7:0] Redetect timer, Bits[15:8]. Table 103. Digital Loop Filter Coefficients—Profile 21 Address Bit Bit Name Description 0x0692 [7:0] Alpha-0 linear Alpha-0 coefficient linear, Bits[7:0]. 0x0693 [7:0] Alpha-0 coefficient linear, Bits[15:8]. 0x0694 [7:6] Alpha-2 exponent Alpha-2 coefficient exponent, Bits[1:0]. [5:0] Alpha-1 exponent Alpha-1 coefficient exponent, Bits[5:0]. 0x0695 [7:1] Beta-0 linear Beta-0 coefficient linear, Bits[6:0]. 0 Alpha-2 exponent Alpha-2 coefficient exponent, Bit 2. 0x0696 [7:0] Beta-0 linear Beta-0 coefficient linear, Bits[14:7]. 0x0697 7 Unused Unused. [6:2] Beta-1 exponent Beta-1 coefficient exponent, Bits[4:0]. [1:0] Beta-0 linear Beta-0 coefficient linear, Bits[16:15]. 0x0698 [7:0] Gamma-0 linear Gamma-0 coefficient linear, Bits[7:0]. 0x0699 [7:0] Gamma-0 coefficient linear, Bits[15:8]. 0x069A [7:6] Unused Unused. [5:1] Gamma-1 exponent Gamma-1 coefficient exponent, Bits[4:0]. 0 Gamma-0 linear Gamma-0 coefficient linear, Bit 16. 0x069B [7:0] Delta-0 linear Delta-0 coefficient linear, Bits[7:0]. 0x069C 7 Delta-1 exponent Delta-1 coefficient exponent, Bit 0. [6:0] Delta-0 linear Delta-0 coefficient linear, Bits[14:8]. 0x069D [7:4] Alpha-3 exponent Alpha-3 coefficient exponent, Bits[3:0]. [3:0] Delta-1 exponent Delta-1 coefficient exponent, Bits[4:1]. 1 The digital loop filter coefficients (α, β, γ, and δ) have the general form: x(2y), where x is the linear component and y is the exponential component of the coefficient. The value of the linear component (x) constitutes a fraction, where 0 ≤ x < 1. The exponential component (y) is an integer (see the Calculating the Digital Filter Coefficients section for details). |
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