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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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DAC5681 Fiches technique(PDF) 6 Page - Texas Instruments |
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DAC5681 Fiches technique(HTML) 6 Page - Texas Instruments |
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6 / 48 page  DAC5681 SLLS864C – AUGUST 2007 – REVISED AUGUST 2012 www.ti.com ELECTRICAL CHARACTERISTICS — DC SPECIFICATION over operating free-air temperature range , AVDD = 3.3 V, CLKVDD = 1.8 V, IOVDD = 3.3 V, DVDD = 1.8 V, IoutFS = 20 mA (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT RESOLUTION 16 Bits DC ACCURACY(1) INL Integral nonlinearity 1 LSB = IOUTFS/216 ±4 LSB DNL Differential nonlinearity ±2 ANALOG OUTPUT Coarse gain linearity ±0.04 LSB Offset error Mid code offset 0.01 %FSR Gain error With external reference 1 %FSR Gain error With internal reference 0.7 %FSR Minimum full scale output current(2) 2 mA Maximum full scale output current(2) 20 AVDD AVDD V Output Compliance range(3) IOUTFS = 20 mA –0.5V + 0.5V Output resistance 300 k Ω Output capacitance 5 pF REFERENCE OUTPUT Vref Reference voltage 1.14 1.2 1.26 V Reference output current(4) 100 nA REFERENCE INPUT VEXTIO Input voltage range 0.1 1.25 V Input resistance 1 M Ω CONFIG6: BiasLPF_A = 0 95 Small signal bandwidth kHz CONFIG6: BiasLPF_A = 1 472 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 POWER SUPPLY Analog supply voltage, AVDD 3.0 3.3 3.6 V Digital supply voltage, DVDD 1.71 1.8 2.15 V Clock supply voltage, CLKVDD 1.71 1.8 2.15 V I/O supply voltage, IOVDD 3.0 3.3 3.6 V I(AVDD) Analog supply current 67 mA I(DVDD) Digital supply current 191 mA Mode 1 (below) I(CLKVDD) Clock supply current 15 mA I(IOVDD) IO supply current 4 mA (1) Measured differential across IOUTA1 and IOUTA2 with 25 Ω each to AVDD. (2) Nominal full-scale current, IoutFS, equals 16 × IBIAS current. (3) 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 DAC5681 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. (4) Use an external buffer amplifier with high impedance input to drive any external load. 6 Submit Documentation Feedback Copyright © 2007–2012, Texas Instruments Incorporated Product Folder Links: DAC5681 |
Numéro de pièce similaire - DAC5681_15 |
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Description similaire - DAC5681_15 |
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