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AD8842AR Scheda tecnica(PDF) 6 Page - Analog Devices |
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AD8842AR Scheda tecnica(HTML) 6 Page - Analog Devices |
6 / 13 page REV. –6– AD8842–Typical Performance Characteristics DIGITAL INPUT CODE – Decimal +1/2 –1/2 +1/2 0 –1/2 0 256 0 192 128 64 DACs A, B, C, D SUPERIMPOSED DACs E, F, G, H SUPERIMPOSED TA = +25°C VDD = +5V VSS = – 5V VINX = +3V 0 64 128 0.3 0.2 –0.1 0.1 0 –0.2 –0.3 –0.4 0.4 192 256 DIGITAL INPUT CODE – Decimal VDD = +5V VSS = –5V VINX = +3V DAC A TA = –55 °C TA = +125 °C TA = +25 °C 0 –10 –20 –30 –40 10k 10M 100k 1M FREQUENCY – Hz –180 –315 0 –90 –45 –135 –225 –270 –360 GAIN –FS +FS PHASE CODE = ALL ONES PHASE CODE = ALL ZEROS V IN = ± 100mV T A = +25°C 1k 10k 100k 1M 10M FREQUENCY – Hz 90 0 15 30 45 60 75 105 120 135 V IN A = 100mVpp V IN B = 0V T A = +25°C dB INPUT A OUTPUT B Figure 4. Linearity Error vs. Digital Code Figure 5. Linearity Error vs. Digital Code vs. Temperature Figure 6. VOUT Half Scale (80H) vs. Temperature Figure 7. Input Resistance (VIN) vs. Temperature Figure 8. Total Harmonic Distortion vs. Frequency Figure 9. VOUT Slew Rate vs. Temperature Figure 10. Gain and Phase vs. Frequency (Code = 00H or FFH) Figure 11. DAC Crosstalk vs. Frequency Figure 12. Voltage Noise Density vs. Frequency –75 –50 –25 0 25 50 75 100 125 TEMPERATURE – °C 8 0 VINX = –3V 6 4 2 –2 –4 –8 –10 VINX = +3V VDD = +4.75V VSS = –4.75V 21 –75 –50 100 125 TEMPERATURE – °C V IN = +3V 20 19 18 17 16 –25 0 25 50 75 AVG AVG +2 σ AVG –2 σ V DD = +4.75V V SS = –4.75V 10 100 1k 10k 100k FREQUENCY – Hz 0.001 100 10 1 0.1 0.01 R L = 2kΩ V IN = +4Vp-p f LPF = 80kHz CODE = FF H 3 2 –75 –50 –25 25 VDD = +4.75V VSS = –4.75V ∆VIN = ±3V 1 0 4 0 50 75 100 125 TEMPERATURE – °C SR+ SR– 1 0.4 0 10 100 100k 10k 1k 0.2 0.6 0.8 FREQUENCY – Hz TA = +25°C VIN = 0V A |
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