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DAC8551-Q1 Datasheet(PDF) 5 Page - Texas Instruments |
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DAC8551-Q1 Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 28 page  5 DAC8551-Q1 www.ti.com SLASEB8A – FEBRUARY 2016 – REVISED MARCH 2016 Product Folder Links: DAC8551-Q1 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated Electrical Characteristics (continued) VDD = 3.2 V to 5.5 V, VREF = VDD and TA = –40°C to 125°C, unless otherwise noted. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT (2) Specified by design and characterization; not production tested. OUTPUT CHARACTERISTICS(2) Output voltage range 0 VREF V Output voltage settling time To ±0.003% FSR, 0200h to FD00h RL = 2 kΩ, 0 pF < CL < 200 pF 8 μs Slew rate 1.4 V/ μs Capacitive load stability RL = ∞ 470 pF RL = 2 kΩ 1000 pF Code change glitch impulse 1 LSB change around major carry 0.1 nV-s Digital feedthrough 50 k Ω series resistance on digital lines 0.1 nV-s DC output impedance At mid-code input 1 Ω Short-circuit current VDD = 3.2 V to 5.5 V 35 mA AC PERFORMANCE SNR Signal-to-noise ratio BW = 20 kHz, VDD = 5 V, VREF = 4.5 V, fOUT = 1 kHz First 19 harmonics removed for SNR calculation 84 dB THD Total harmonic distortion –80 dB SFDR Spurious-free dynamic range 84 dB SINAD Signal to noise and distortion 76 dB REFERENCE INPUT Reference current VREF = VDD = 5.5 V 50 μA VREF = VDD = 3.6 V 25 Reference input range 0 VDD V Reference input impedance 125 k Ω LOGIC INPUTS(2) Input current ±1 μA VINL Input low voltage VDD = 5 V 0.3×VDD V VDD = 3.3 V 0.1×VDD VINH Input high voltage VDD = 5 V 0.7×VDD V VDD = 3.3 V 0.9×VDD Pin capacitance 3 pF POWER REQUIREMENTS VDD Supply voltage 3.2 5.5 V IDD Supply current Normal mode, input code = 32,768, no load, does not include reference current. VIH = VDD and VIL = GND, VDD = 3.6 V to 5.5 V 160 250 μA Normal mode, input code = 32,768, no load, does not include reference current. VIH = VDD and VIL = GND, VDD = 3.2 V to 3.6 V 110 240 All power-down modes, VIH = VDD and VIL = GND, VDD = 3.6 V to 5.5 V 0.8 3 All power-down modes, VIH = VDD and VIL = GND, VDD = 3.2 V to 3.6 V 0.5 3 POWER EFFICIENCY IOUT / IDD ILOAD = 2 mA, VDD = 5 V 89% TEMPERATURE RANGE TA Ambient temperature –40 125 °C |
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