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DAC7734EC/1K bảng dữ liệu(PDF) 3 Page - Texas Instruments |
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DAC7734EC/1K bảng dữ liệu(HTML) 3 Page - Texas Instruments |
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3 / 31 page  DAC7734 3 SBAS138A www.ti.com DAC7734E DAC7734EB DAC7734EC PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS ACCURACY Linearity Error(1) (INL) T = 25 °C ±3 ✻ ±2LSB TMIN to TMAX ±4 ✻ ±3LSB Linearity Match ±4 ✻ ±2LSB Differential Linearity Error (DNL) T = 25 °C ±3 ±2 ±1LSB TMIN to TMAX ±3 ±2 ±1LSB Monotonicity, TMIN to TMAX 14 15 16 Bits Unipolar Zero T = 25 °C ±0.01 ±0.025 ✻✻ % of FSR Unipolar Zero Error, TMIN to TMAX ±0.05 ✻✻ % of FSR Full-Scale Error T = 25 °C ±0.025 ✻✻ % of FSR Full-Scale Error, TMIN to TMAX ±0.05 ✻✻ % of FSR Unipolar Zero Matching Channel-to-Channel ±0.024 ✻✻ % of FSR Matching Full-Scale Matching Channel-to-Channel ±0.024 ✻✻ % of FSR Matching Power Supply Rejection Ratio (PSRR) At Full Scale 25 ✻✻ ppm/V ANALOG OUTPUT Voltage Output VREFL = 0V, VSS = 0V 0 VREFH ✻✻ ✻ ✻ V R = 10k Ω Output Current ±5 ✻✻ mA Maximum Load Capacitance 500 ✻✻ pF Short-Circuit Current ±20 ✻✻ mA Short-Circuit Duration To VCC or GND Indefinite ✻✻ REFERENCE INPUT Ref High Input Voltage Range VREFL + 1.25 +10 ✻✻ ✻ ✻ V Ref Low Input Voltage Range 0 VREFH – 1.25 ✻✻ ✻ ✻ V Ref High Input Current –0.3 1.0 ✻✻ mA Ref Low Input Current –1.5 –0.3 ✻✻ mA DYNAMIC PERFORMANCE Settling Time To ±0.003%, 10V 8 10 ✻✻ ✻ ✻ µs Output Step Channel-to-Channel Crosstalk See Figure 6 0.5 ✻✻ LSB Digital Feedthrough 2 ✻✻ nV-s Output Noise Voltage f = 10kHz 60 ✻✻ nV/ √Hz DIGITAL INPUT VIH 0.7 • VDD VDD ✻✻ V VIL 0 0.3 • VDD ✻ V IIH ±10 ✻ µA IIL ±10 ✻ µA DIGITAL OUTPUT VOH IOH = –0.8mA 3.6 4.5 ✻✻ ✻✻ V VOL IOL = 1.6mA 0.3 0.4 ✻✻ ✻ ✻ V POWER SUPPLY VDD +4.75 +5.0 +5.25 ✻✻ ✻✻✻ ✻ V VCC +14.25 +15.0 +15.75 ✻✻ ✻✻✻ ✻ V VSS 0 ✻✻ V IDD 50 ✻✻ µA ICC 3.5 ✻✻ mA Power 50 70 ✻✻ mW TEMPERATURE RANGE Specified Performance –40 +85 ✻✻ ✻ ✻ °C ✻ Specifications same as grade to the left. NOTE: (1) If VSS = 0V, the specification applies at code 0021H and above, due to possible negative zero scale error. SPECIFICATIONS (Single Supply) At TA = TMIN to TMAX, VCC = +15V, VDD = +5V, VSS = GND, VREFH = +10V, and VREFL = +50mV, unless otherwise noted. |
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