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TLV5633C Scheda tecnica(PDF) 4 Page - Texas Instruments |
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TLV5633C Scheda tecnica(HTML) 4 Page - Texas Instruments |
4 / 23 page www.ti.com ELECTRICAL CHARACTERISTICS TLV5633C TLV5633I SLAS190C – MARCH 1999 – REVISED SEPTEMBER 2006 over recommended operating free-air temperature range, V ref = 2.048 V, Vref = 1.024 V (unless otherwise noted) POWER SUPPLY PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Fast 2.3 2.8 mA REF on Slow 1.3 1.6 mA AVDD = 5 V, DVDD = 5 V Fast 1.9 2.4 mA REF No load, off Slow 0.9 1.2 mA IDD Power supply current All inputs = AGND or DVDD, Fast 2.1 2.6 mA REF DAC latch = 0x800 on Slow 1.2 1.5 mA AVDD = 3 V, DVDD = 3 V Fast 1.8 2.3 mA REF off Slow 0.9 1.1 mA Power down supply current 0.01 1 µA Zero scale, external reference (1) -60 PSRR Power supply rejection ratio dB Full scale, external reference(2) -60 STATIC DAC SPECIFICATIONS Resolution 12 bits Integral nonlinearity, end point INL RL = 10 kΩ, CL = 100 pF (3) ±1.2 ±3 LSB adjusted DNL Differential nonlinearity RL = 10 kΩ, CL = 100 pF (4) ±0.3 ±0.5 LSB Zero-scale error (offset error at EZS 20 mV zero scale)(5) Zero-scale-error temperature EZSTC 20 ppm/°C coefficient(6) % full EG Gain error(7) ±0.3 scale V Gain error temperature EG TC 20 ppm/°C coefficient(8) OUTPUT SPECIFICATIONS VO Output voltage RL = 10 kΩ AVDD-0.4 V % full Output load regulation accuracy VO = 4.096 V, 2.048 V, RL= 2 kΩ ±0.29 scale V (1) Power supply rejection ratio at zero scale is measured by varying AVDD and is given by: PSRR = 20 log [(EZS(AVDDmax) - EZS(AVDDmin))/AVDDmax] (2) Power supply rejection ratio at full scale is measured by varying AVDD and is given by: PSRR = 20 log [(EG(AVDDmax) - EG(AVDDmin))/AVDDmax] (3) The relative accuracy or 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 (see text). (4) 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. Monotonic means the output voltage changes in the same direction (or remains constant) as a change in the digital input code. (5) Zero-scale error is the deviation from zero voltage output when the digital input code is zero (see text). (6) Zero-scale-error temperature coefficient is given by: EZS TC = [EZS (Tmax) - EZS (Tmin)]/2Vref× 106/(Tmax - Tmin). (7) Gain error is the deviation from the ideal output (2Vref - 1 LSB) with an output load of 10 kΩ excluding the effects of the zero-error. (8) Gain temperature coefficient is given by: EG TC = [EG(Tmax) - EG (Tmin)]/2Vref× 106/(Tmax - Tmin). 4 Submit Documentation Feedback |
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