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DAC5686IPZP 데이터시트(PDF) 7 Page - Texas Instruments |
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DAC5686IPZP 데이터시트(HTML) 7 Page - Texas Instruments |
7 / 53 page ELECTRICAL CHARACTERISTICS (DC SPECIFICATIONS) (1) DAC5686 www.ti.com ............................................................................................................................................................ SLWS147F – APRIL 2003 – REVISED JUNE 2009 over operating free-air temperature range, AVDD = 3.3 V, CLKVDD = 3.3 V, PLLVDD = 3.3 V, IOVDD = 3.3 V, DVDD = 1.8 V, IOUTFS = 20 mA (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Resolution 16 DC Accuracy(2) INL Integral nonlinearity 1 LSB = IOUTFS/2 16, T MIN to TMAX 12 LSB 1.84e–4 IOUTFS DNL Differential nonlinearity 9 LSB 1.37e–4 IOUTFS Analog Output Coarse gain linearity (INL) LSB = 1/10th of full scale 0.016 LSB Fine gain linearity (INL) 3 LSB Offset error Mid-code offset 0.003 %FSR Without internal reference 0.7 Gain error %FSR With internal reference 0.7 Gain mismatch With internal reference, dual DAC, –2 2 %FSR SSB mode Full-scale output current(3) 2 20 mA Output compliance range(4) IOUTFS = 20 mA AVDD – 0.5 AVDD + 0.5 V Output resistance 300 k Ω Output capacitance 5 pF Reference Output Reference voltage 1.14 1.2 1.26 V Reference output current(5) 100 nA Reference Input VEXTIO Input voltage range 0.1 1.25 V Input resistance 1 M Ω Small-signal bandwidth 2.5 kHz Input capacitance 100 pF Temperature Coefficients ppm of Offset drift 3 FSR/C Without internal reference 15 ppm of Gain drift FSR/C With internal reference 40 Reference voltage drift 25 ppm/C (1) Specifications subject to change without notice. (2) Measured differential across IOUTA1 and IOUTA2 or IOUTB1 and IOUTB2 with 25 Ω each to AVDD (3) Nominal full-scale current, IOUTFS , equals 16× the IBIAS current. (4) The upper 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 DAC5686 device. The lower 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. (5) Use an external buffer amplifier with high-impedance input to drive any external load. Copyright © 2003–2009, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Link(s): DAC5686 |
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