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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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STA1295 데이터시트(PDF) 89 Page - STMicroelectronics |
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STA1295 데이터시트(HTML) 89 Page - STMicroelectronics |
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89 / 109 page  DS12586 Rev 5 89/109 STA1295, STA1275 Electrical characteristics 106 4.9.3 DAC electrical characteristics Figure 9. DAC output equivalent circuit Table 45. DAC electrical characteristics Symbol Parameter Limit values Unit Min. Typ. Max. VASupply SR Analog supply 3.0 3.3 3.6 V Vrms(1) 1. No external load resistance. V Analog RMS output 741 780 819 mVrms Vrms(2) 2. External load resistance: 500 Ohm series on 10 kOhm next stage (10/10.5 partition). V Analog RMS output 693 730 766 mVrms Vcom P— — 1.45(3) 3. Max variation due to process mismatch +/- 5%. —V Cmax SR Maximum output load — — 10 pF Rmin SR Minimum output resistance 10K — — Ohm SNR V Signal to Noise ratio (A-weighted, BW = 20 kHz, 1 kHz, -60 dBFs) 98 103 — dB THD + N V Total harmonic distortion + Noise (A-weighted, BW = 20 kHz, 1 kHz, 0dbFS) -82 -90 — dB PSRR V Power supply rejection ratio 57 — 78 dB Rs C Series resistance at output 40 50 60 Ohm IDD_ADAC C Analog current consumption of single DAC — — 8 mA |
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