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DAC7553 Datasheet(PDF) 3 Page - Texas Instruments |
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DAC7553 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 20 page www.ti.com ELECTRICAL CHARACTERISTICS DAC7553 SLAS477 – AUGUST 2005 V DD = 2.7 V to 5.5 V, VREF = VDD, RL = 2 kΩ to GND; CL = 200 pF to GND; all specifications –40°C to 105°C, unless otherwise specified PARAMETER TEST CONDITIONS MIN TYP MAX UNITS STATIC PERFORMANCE(1) Resolution 12 Bits Relative accuracy ±0.35 ±1 LSB Differential nonlinearity Specified monotonic by design ±0.08 ±0.5 LSB Offset error ±12 mV Zero-scale error All zeroes loaded to DAC register ±12 mV Gain error ±0.15 %FSR Full-scale error ±0.5 %FSR Zero-scale error drift 7 µV/°C Gain temperature coefficient 3 ppm of FSR/°C PSRR VDD = 5 V 0.75 mV/V OUTPUT CHARACTERISTICS(2) Output voltage range 0 VREF V Output voltage settling time RL = 2 kΩ; 0 pF < CL < 200 pF 5 µs Slew rate 1.8 V/µs Capacitive load stability RL = ∞ 470 pF RL = 2 kΩ 1000 Digital-to-analog glitch impulse 1 LSB change around major carry 0.1 nV-s Channel-to-channel crosstalk 1-kHz full-scale sine wave, –100 dB outputs unloaded Digital feedthrough 0.1 nV-s Output noise density (10-kHz offset fre- 120 nV/rtHz quency) Total harmonic distortion FOUT = 1 kHz, FS = 1 MSPS, –85 dB BW = 20 kHz DC output impedance 1 Ω Short-circuit current VDD = 5 V 50 mA VDD = 3 V 20 Power-up time Coming out of power-down mode, 15 VDD = 5 V µs Coming out of power-down mode, 15 VDD = 3 V REFERENCE INPUT VREF Input range 0 VDD V Reference input impedance VREFA and VREFB shorted together 50 k Ω VREFA = VREFB = VDD = 5 V, 100 250 VREFA and VREFB shorted together Reference current µA VREFA = VREFB = VDD = 3 V, 60 123 VREFA and VREFB shorted together LOGIC INPUTS(2) Input current ±1 µA VIN_L, Input low voltage IOVDD ≥ 2.7 V 0.3 IOVDD V VIN_H, Input high voltage IOVDD ≥ 2.7 V 0.7 IOVDD V Pin capacitance 3 pF (1) Linearity tested using a reduced code range of 30 to 4065; output unloaded. (2) Specified by design and characterization, not production tested. For 1.8 V < IOVDD < 2.7 V, It is recommended that VIH = IOVDD, VIL = GND. 3 |
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