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DAC8814IBDBTG4 bảng dữ liệu(PDF) 4 Page - Texas Instruments |
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DAC8814IBDBTG4 bảng dữ liệu(HTML) 4 Page - Texas Instruments |
4 / 27 page www.ti.com DAC8814 SBAS338D – JANUARY 2005 – REVISED SEPTEMBER 2006 ELECTRICAL CHARACTERISTICS (continued) V DD = 2.7 V to 5.5 V; IOUTX = Virtual GND, AGNDX = 0 V, VREFA, B, C, D = 10 V, TA = full operating temperature range, unless otherwise noted. DAC8814 PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT SUPPLY CHARACTERISTICS Power supply range VDD RANGE 2.7 5.5 V Logic inputs = 0 V, Positive supply current IDD 2 5 µA VDD = +4.5 V to +5.5 V Logic inputs = 0 V, IDD 1 2.5 µA VDD = +2.7 V to +3.6 V Power dissipation PDISS Logic inputs = 0 V 0.0275 mW Power supply sensitivity PSS ∆V DD = ±5% 0.006 % AC CHARACTERISTICS(4) To ±0.1% of full-scale, Output voltage settling time ts 0.3 µs Data = 0000h to FFFFh to 0000h To ±0.0015% of full-scale, ts 0.5 µs Data = 0000h to FFFFh to 0000h Reference multiplying BW BW –3 dB VREFX = 100 mVRMS, Data = FFFFh, CFB = 3 pF 10 MHz DAC glitch impulse Q VREFX = 10 V, Data = 7FFFh to 8000h to 7FFFh 5 nV-s Feedthrough error VOUTX/VREFX Data = 0000h, VREFX = 100 mVRMS, f = 100 kHz –70 dB Data = 0000h, VREFB = 100 mVRMS, Crosstalk error VOUTA/VREFB –100 dB Adjacent channel, f = 100 kHz Digital feedthrough Q CS = 1 and fCLK = 1 MHz 1 nV-s Total harmonic distortion THD VREF = 5 VPP, Data = FFFFh, f = 1 kHz –105 dB Output spot noise voltage en f = 1 kHz, BW = 1 Hz 12 nV/ √Hz (4) All ac characteristic tests are performed in a closed-loop system using a THS4011 I-to-V converter amplifier. 4 Submit Documentation Feedback |
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