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TLV5618A-EP Datasheet(PDF) 4 Page - Texas Instruments |
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TLV5618A-EP Datasheet(HTML) 4 Page - Texas Instruments |
4 / 17 page TLV5618AEP 2.7V TO 5.5V LOW POWER DUAL 12BIT DIGITALTOANALOG CONVERTER WITH POWER DOWN SGLS214 − OCTOBER 2003 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating conditions (unless otherwise noted) power supply PARAMETER TEST CONDITIONS MIN TYP MAX UNIT No load, All inputs = AGND or Fast 1.8 2.3 IDD Power supply current No load, All inputs = AGND or VDD = 2.7 V to 5.5 V Fast 1.8 2.3 mA IDD Power supply current No load, All inputs = AGND or VDD, DAC latch = All ones VDD = 2.7 V to 5.5 V Slow 0.8 1 mA Power down supply current 1 µA PSRR Power supply rejection ratio Zero scale, See Note 2 −65 dB PSRR Power supply rejection ratio Full scale, See Note 3 −65 dB NOTES: 2. Power supply rejection ratio at zero scale is measured by varying VDD and is given by: PSRR = 20 log [(EZS(VDDmax) − EZS(VDDmin)/VDDmax] 3. Power supply rejection ratio at full scale is measured by varying VDD and is given by: PSRR = 20 log [(EG(VDDmax) − EG(VDDmin)/VDDmax] static DAC specifications PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Resolution 12 bits INL Integral nonlinearity See Note 4 ±2 ±4 LSB DNL Differential nonlinearity See Note 5 ±0.5 ±1 LSB EZS Zero-scale error (offset error at zero scale) See Note 6 ±12 mV EZS (TC) Zero-scale-error temperature coefficient See Note 7 3 ppm/ °C EG Gain error See Note 8 VDD = 2.7 V − 5.5 V ±0.6 % full scale V EG (TC) Gain-error temperature coefficient See Note 9 1 ppm/ °C NOTES: 4. The relative accuracy of integral nonlinearity (INL), sometimes referred to as linearity error, is the maximum deviation of the output from the line between zero and full scale, excluding the effects of zero-code and full-scale errors. 5. The differential nonlinearity (DNL), sometimes referred to as differential error, is the difference between the measured and ideal 1-LSB amplitude change of any two adjacent codes. 6. Zero-scale error is the deviation from zero voltage output when the digital input code is zero. 7. Zero-scale-error temperature coefficient is given by: EZS TC = [EZS (Tmax) − EZS (Tmin)]/2Vref × 106/(Tmax − Tmin). 8. Gain error is the deviation from the ideal output (2Vref − 1 LSB) with an output load of 10 kΩ. 9. Gain temperature coefficient is given by: EG TC = [EG (Tmax) − Eg (Tmin)]/2Vref × 106/(Tmax − Tmin). output specifications PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VO Output voltage range RL = 10 kΩ 0 VDD−0.4 V Output load regulation accuracy VO = 4.096 V, 2.048 V, RL = 2 kΩ to 10 kΩ ±0.29 % FS |
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