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DAC3484 데이터시트(PDF) 11 Page - Texas Instruments |
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DAC3484 데이터시트(HTML) 11 Page - Texas Instruments |
11 / 90 page DAC3484 www.ti.com SLAS749C – MARCH 2011 – REVISED AUGUST 2012 ELECTRICAL CHARACTERISTICS – DC SPECIFICATIONS (1) over recommended operating free-air temperature range, nominal supplies, IOUTFS = 20mA (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Resolution 16 Bits DC ACCURACY DNL Differential nonlinearity ±2 LSB 1 LSB = IOUTFS/2 16 INL Integral nonlinearity ±4 LSB ANALOG OUTPUT Coarse gain linearity ±0.04 LSB Offset error Mid code offset ±0.001 %FSR With external reference ±2 %FSR Gain error With internal reference ±2 %FSR Gain mismatch With internal reference ±2 %FSR Full scale output current 10 20 30 mA Output compliance range –0.5 0.6 V Output resistance 300 k Ω Output capacitance 5 pF REFERENCE OUTPUT VREF Reference output voltage 1.2 V Reference output current(2) 100 nA REFERENCE INPUT VEXTIO Input voltage range 0.6 1.2 1.25 V External Reference Mode Input resistance 1 M Ω Small signal bandwidth 472 kHz Input capacitance 100 pF TEMPERATURE COEFFICIENTS Offset drift ±1 ppm/°C with external reference ±15 ppm/°C Gain drift with internal reference ±30 ppm/°C Reference voltage drift ±8 ppm/°C (1) Measured differentially across IOUTP/N with 25 Ω each to GND. (2) Use an external buffer amplifier with high impedance input to drive any external load. Copyright © 2011–2012, Texas Instruments Incorporated Submit Documentation Feedback 11 Product Folder Links: DAC3484 |
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