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DAC5662AIPFB Scheda tecnica(PDF) 4 Page - Texas Instruments |
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DAC5662AIPFB Scheda tecnica(HTML) 4 Page - Texas Instruments |
4 / 26 page DAC5662A SLAS536B – SEPTEMBER 2007 – REVISED DECEMBER 2010 www.ti.com ABSOLUTE MAXIMUM RATINGS over operating free-air temperature range (unless otherwise noted) (1) UNIT AVDD(2) -0.5 V to 4 V Supply voltage range DVDD(3) -0.5 V to 4 V Voltage between AGND and DGND -0.5 V to 0.5 V Voltage between AVDD and DVDD -4 V to 4 V DA[11:0] and DB[11:0](3) -0.5 V to DVDD + 0.5 V MODE,SLEEP, CLKA, CLKB, WRTA, WRTB(3) -0.5 V to DVDD + 0.5 V Supply voltage range IOUTA1, IOUTA2, IOUTB1, IOUTB2(2) -1.0 V to AVDD + 0.5 V EXTIO, BIASJ_A, BIASJ_B, GSET(2) -0.5 V to AVDD + 0.5 V Peak input current (any input) 20 mA Peak total input current (all inputs) -30 mA Operating free-air temperature range -40 °C to 85 °C Storage temperature range -65 °C to 150 °C (1) Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only and functional operation of these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. (2) Measured with respect to AGND. (3) Measured with respect to DGND. ELECTRICAL CHARACTERISTICS over operating free-air temperature range, AVDD = DVDD = 3.3 V, I(OUTFS) = 20 mA, independent gain set mode (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT DC Specifications Resolution 12 Bits DC Accuracy(1) INL Integral nonlinearity -2 ±0.3 2 LSB 1 LSB = I(OUTFS)/2 12, T A = 25°C DNL Differential nonlinearity -2 ±0.2 2 LSB Analog Output Offset error 0.03 %FSR With external reference ±0.25 %FSR Gain error With internal reference ±0.5 %FSR Minimum full-scale output current(2) 2 mA Maximum full-scale output current(2) 20 mA Gain mismatch With internal reference -2 0.07 +2 %FSR Output voltage compliance range(3) -1 1.25 V RO Output resistance 300 k Ω CO Output capacitance 5 pF Reference Output Reference voltage 1.14 1.2 1.26 V Reference output current(4) 100 nA (1) Measured differentially through 50 Ω to AGND. (2) Nominal full-scale current, I(OUTFS), equals 32x the 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 DAC5662A 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. 4 Submit Documentation Feedback Copyright © 2007–2010, Texas Instruments Incorporated Product Folder Link(s): DAC5662A |
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