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ADC1003S040 Folha de dados(PDF) 10 Page - NXP Semiconductors |
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ADC1003S040 Folha de dados(HTML) 10 Page - NXP Semiconductors |
10 / 20 page ADC1003S030_040_050_2 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 02 — 7 August 2008 10 of 20 NXP Semiconductors ADC1003S030/040/050 Single 10 bits ADC, up to 30 MHz, 40 Mhz or 50 MHz, with voltage regulator [7] Effective bits are obtained via a Fast Fourier Transform (FFT) treatment taking 8000 acquisition points per equivalent fundamental period. The calculation takes into account all harmonics and noise up to half of the clock frequency (Nyquist frequency). Conversion to signal-to-noise ratio: SINAD = ENOB × 6.02 + 1.76 dB. [8] Intermodulation measured relative to either tone with analog input frequencies of 4.43 MHz and 4.53 MHz. The two input signals have the same amplitude and the total amplitude of both signals provides full-scale to the converter. [9] Measurement carried out using video analyzer VM700A, where the video analog signal is reconstructed through a digital-to-analog converter. [10] Output data acquisition: the output data is available after the maximum delay time of td(o). For the 50 MHz version it is recommended to have the lowest possible output load. 11. Additional information relating to Table 6 Fig 3. Explanation of Table 6 Table note 3 014aaa325 RT RB RM Rlad ROT RL RL RL RL IL ROB code 1023 code 0 Table 7. Output coding and input voltage (typical values; referenced to AGND) Code Vi(a)(p-p) (V) IR Binary outputs D9 to D0 Two’s complement outputs D9 to D0 Underflow < 1.455 0 00 0000 0000 10 0000 0000 0 1.455 1 00 0000 0000 10 0000 0000 1 - 1 00 0000 0001 10 0000 0001 ↓ - ↓↓ ↓ 511 2.43 ↓ 01 1111 1111 11 1111 1111 ↓ - ↓↓ ↓ 1022 - 11 11 1111 1110 01 1111 1110 1023 3.405 1 11 1111 1111 01 1111 1111 Overflow > 3.405 0 11 1111 1111 01 1111 1111 |
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