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DAC8831ICDG4 Folha de dados(PDF) 4 Page - Texas Instruments |
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DAC8831ICDG4 Folha de dados(HTML) 4 Page - Texas Instruments |
4 / 34 page www.ti.com DAC8830 DAC8831 SLAS449D – FEBRUARY 2005 – REVISED SEPTEMBER 2007 ELECTRICAL CHARACTERISTICS (continued) All specifications at TA = TMIN to TMAX, VDD = +3 V or VDD = +5 V, VREF = +2.5 V unless otherwise noted. DAC8830, DAC8831 PARAMETER CONDITIONS MIN TYP MAX UNIT REFERENCE INPUT Reference input voltage range 1.25 VDD V Unipolar mode 9 Reference input impedance(4) k Ω Bipolar mode, DAC8831 7.5 Reference –3dB bandwidth, BW Code = FFFFh 1.3 MHz Reference feedthrough Code = 0000h, VREF = 1 VPP at 100 kHz 1 mV Signal-to-noise ratio, SNR 92 dB Code = 0000h 75 Reference input capacitance pF Code = FFFFh 120 DIGITAL INPUTS VDD = 2.7 V 0.6 VIL Input low voltage V VDD = 5 V 0.8 VDD = 2.7 V 2.1 VIH Input high voltage V VDD = 5 V 2.4 Input current ±1 μA Input capacitance 10 pF Hysteresis voltage 0.4 V POWER SUPPLY VDD Power-supply voltage 2.7 5.5 V VDD = 3 V 5 20 IDD Power-supply current μA VDD = 5 V 5 20 VDD = 3 V 15 60 Power μW VDD = 5 V 25 100 TEMPERATURE RANGE Specified performance –40 +85 °C (4) Reference input resistance is code-dependent, minimum at 8555h. 4 Submit Documentation Feedback Copyright © 2005–2007, Texas Instruments Incorporated Product Folder Link(s): DAC8830 DAC8831 |
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