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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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DAC3282 Fiches technique(PDF) 6 Page - Texas Instruments |
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DAC3282 Fiches technique(HTML) 6 Page - Texas Instruments |
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6 / 51 page  DAC3282 SLAS646A – DECEMBER 2009 – REVISED FEBRUARY 2010 www.ti.com ELECTRICAL CHARACTERISTICS – DC SPECIFICATIONS (1) over recommended operating free-air temperature range, nominal supplies, IOUTFS = 20 mA (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 0.01 %FSR With external reference ±2 %FSR Gain error With internal reference ±2 %FSR Gain mismatch With internal reference –2 2 %FSR Minimum full scale output current 2 Nominal full-scale current, mA IOUTFS = 16 × IBIAS current. Maximum full scale output current 20 AVDD AVDD Output compliance range(2) IOUTFS = 20 mA V –0.5V +0.5V Output resistance 300 k Ω Output capacitance 5 pF REFERENCE OUTPUT VREF Reference output voltage 1.14 1.2 1.26 V Reference output current(3) 100 nA REFERENCE INPUT VEXTIO Input voltage range 0.1 1.2 1.25 V External Reference Mode Input resistance 1 M Ω Small signal bandwidth 472 kHz Input capacitance 100 pF TEMPERATURE COEFFICIENTS ppm of Offset drift ±1 FSR/°C With external reference ±15 ppm of Gain drift FSR/°C With internal reference ±30 Reference voltage drift ±8 ppm/°C (1) Measured differential across IOUTA1 and IOUTA2 or IOUTB1 and IOUTB2 with 25 Ω each to AVDD. (2) The lower limit of the output compliance is determined by the CMOS process. Exceeding this limit may result in transistor breakdown, resulting in reduced reliability of the DAC3282 device. The upper limit of the output compliance is determined by the load resistors and full-scale output current. Exceeding the upper limit adversely affects distortion performance and integral nonlinearity. (3) Use an external buffer amplifier with high impedance input to drive any external load. 6 Submit Documentation Feedback Copyright © 2009–2010, Texas Instruments Incorporated Product Folder Link(s): DAC3282 |
Numéro de pièce similaire - DAC3282_10 |
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Description similaire - DAC3282_10 |
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