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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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DAC8420FS датащи(PDF) 3 Page - Analog Devices |
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DAC8420FS датащи(HTML) 3 Page - Analog Devices |
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3 / 16 page  ELECTRICAL CHARACTERISTICS Parameter Symbol Condition Min Typ Max Units STATIC ACCURACY Integral Linearity “E” INL ±1/4 ±1/2 LSB Integral Linearity “F” INL ±1/2 ±1 LSB Differential Linearity DNL Monotonic Over Temperature ±1/4 ±1 LSB Min-Scale Error ZSE RL = 2 kΩ± 2 LSB Full-Scale Error FSE RL = 2 kΩ± 2 LSB Min-Scale Tempco TCZSE Note 2, RL = 2 kΩ± 4 ppm/ °C Full-Scale Tempco TCFSE Note 2, RL = 2 kΩ± 4 ppm/ °C MATCHING PERFORMANCE Linearity Matching ±1 LSB REFERENCE Positive Reference Input Range VVREFHI Note 3 VVREFLO +2.5 VDD –2.5 V Negative Reference Input Range VVREFLO Note 3 –10 VVREFHI –2.5 V Reference High Input Current IVREFHI Codes 000H, 555H –2.0 ±1.0 +2.0 mA Reference Low Input Current IVREFLO Codes 000H, 555H –3.5 –2.0 mA AMPLIFIER CHARACTERISTICS Output Current IOUT –5 +5 mA Settling Time tS to 0.01%, Note 4 13 µs Slew Rate SR 10% to 90%, Note 4 2 V/ µs DYNAMIC PERFORMANCE Analog Crosstalk Note 2 >64 dB Digital Feedthrough Note 2 >72 dB Large Signal Bandwidth 3 dB, VVREFHI = 5 V + 10 V p-p, 90 kHz VVREFLO = –10 V, Note 2 Glitch Impulse Code Transition = 7FFH to 800H, Note 2 64 nV-s LOGIC CHARACTERISTICS Logic Input High Voltage VINH 2.4 V Logic Input Low Voltage VINL 0.8 V Logic Input Current IIN 10 µA Input Capacitance CIN Note 2 13 pF LOGIC TIMING CHARACTERISTICS 2, 5 Data Setup Time tDS 25 ns Data Hold tDH 20 ns Clock Pulse Width HIGH tCH 30 ns Clock Pulse Width LOW tCL 50 ns Select Time tCSS 55 ns Deselect Delay tCSH 15 ns Load Disable Time tLD1 40 ns Load Delay tLD2 15 ns Load Pulse Width tLDW 45 ns Clear Pulse Width tCLRW 70 ns SUPPLY CHARACTERISTICS Power Supply Sensitivity PSRR 0.002 0.01 %/% Positive Supply Current IDD 69 mA Negative Supply Current ISS –8 –5 mA Power Dissipation PDISS 255 mW NOTES 1All supplies can be varied ±5% and operation is guaranteed. 2Guaranteed but not tested. 3Operation is guaranteed over this reference range, but linearity is neither tested nor guaranteed. 4V OUT swing between +10 V and –10 V. 5All input control signals are specified with tr = tf =5 ns (10% to 90% of +5 V) and timed from a voltage level of 1.6 V. 6Typical values indicate performance measured at +25 °C. Specifications subject to change without notice. DAC8420 REV. 0 –3– (at VDD = +15.0 V 5%, VSS = –15.0 V 5%, VVREFHI = +10.0 V, VVREFLO = –10.0 V, –40 C ≤ T A ≤ +85 C unless otherwise noted. See Note 1 for supply variations.) |
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