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DAC7568A Fiches technique(PDF) 3 Page - Texas Instruments |
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DAC7568A Fiches technique(HTML) 3 Page - Texas Instruments |
3 / 58 page ELECTRICAL CHARACTERISTICS DAC7568 DAC8168 DAC8568 www.ti.com ..................................................................................................................................................... SBAS430A – JANUARY 2009 – REVISED APRIL 2009 At AVDD = 2.7V to 5.5V and over –40°C to +125°C (unless otherwise noted). DAC7568/DAC8168/DAC8568 PARAMETER TEST CONDITIONS MIN TYP MAX UNIT STATIC PERFORMANCE(1) Resolution 16 Bits Measured by the line passing through codes 485 and DAC8568 Relative accuracy ±4 ±12 LSB 64714 Differential nonlinearity 16-bit monotonic ±0.2 ±1 LSB Resolution 14 Bits Measured by the line passing through codes 120 and DAC8168 Relative accuracy ±1 ±4 LSB 16200 Differential nonlinearity 14-bit monotonic ±0.1 ±0.5 LSB Resolution 12 Bits Measured by the line passing through codes 30 and DAC7568 Relative accuracy ±0.3 ±1 LSB 4050 Differential nonlinearity 12-bit monotonic ±0.05 ±0.25 LSB Offset error Extrapolated from two-point line(1), unloaded ±1 ±4 mV Offset error drift ±0.5 µV/°C Full-scale error DAC register loaded with all '1's ±0.03 ±0.2 % of FSR Zero-code error DAC register loaded with all '0's 1 4 mV Zero-code error drift ±2 µV/°C Gain error Extrapolated from two-point line(1), unloaded ±0.01 ±0.15 % of FSR ppm of Gain temperature coefficient ±1 FSR/°C OUTPUT CHARACTERISTICS(2) AVDD ≥ 2.7V; grades A and B: maximum output voltage 2.5V when using internal reference Output voltage range 0 AVDD V AVDD ≥ 5V; grades C and D: maximum output voltage 5V when using internal reference DACs unloaded; 1/4 scale to 3/4 scale to ±0.024% 5 10 Output voltage settling time µs RL = 1MΩ 10 Slew rate 0.75 V/ µs RL = ∞ 1000 Capacitive load stability pF RL = 2kΩ 3000 Code change glitch impulse 1LSB change around major carry 0.1 nV-s Digital feedthrough SCLK toggling, SYNC high 0.1 nV-s RL = 2kΩ, CL = 470pF, AVDD = 5.5V 10 mV Power-on glitch impulse RL = 2kΩ, CL = 470pF, AVDD = 2.7V 6 mV Channel-to-channel dc crosstalk Full-scale swing on adjacent channel 0.1 LSB RL = 2kΩ, CL = 420pF, 1kHz full-scale sine wave, Channel-to-channel ac crosstalk –109 dB outputs unloaded DC output impedance At mid-code input 4 Ω DAC outputs at full-scale, DAC outputs shorted to Short-circuit current 11 mA GND Power-up time, including settling time Coming out of power-down mode 50 µs (1) 16-bit: codes 485 and 64714; 14-bit: codes 120 and 16200; 12-bit: codes 30 and 4050 (2) Specified by design or characterization; not production tested. Copyright © 2009, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): DAC7568 DAC8168 DAC8568 |
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