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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) 2 Page - Analog Devices |
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DAC8420FS датащи(HTML) 2 Page - Analog Devices |
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2 / 16 page  DAC8420–SPECIFICATIONS ELECTRICAL CHARACTERISTICS REV. 0 –2– (at VDD = +5.0 V 5%, VSS = 0.0 V, VVREFHI = +2.5 V, VVREFLD = 0.0 V, and VSS = –5.0 V 5%, VVREFLO = –2.5 V, –40 C ≤ TA ≤ +85 C unless otherwise noted. See Note 1 for supply variations.) Parameter Symbol Condition Min Typ Max Units STATIC ACCURACY Integral Linearity “E” INL ±1/4 ±1 LSB Integral Linearity “E” INL Note 2, VSS = 0 V ±1/2 ±3 LSB Integral Linearity “F” INL ±3/4 ±2 LSB Integral Linearity “F” INL Note 2, VSS = 0 V ±1 ±4 LSB Differential Linearity DNL Monotonic Over Temperature ±1/4 ±1 LSB Min-Scale Error ZSE RL = 2 kΩ, VSS = –5 V ±4 LSB Full-Scale Error FSE RL = 2 kΩ, VSS = –5 V ±4 LSB Min-Scale Error ZSE Note 2, RL = 2 kΩ, VSS = 0 V ±8 LSB Full-Scale Error FSE Note 2, RL = 2 kΩ, VSS = 0 V ±8 LSB Min-Scale Tempco TCZSE Note 3, RL = 2 kΩ, VSS = –5 V ±10 ppm/ °C Full-Scale Tempco TCFSE Note 3, RL = 2 kΩ, VSS = –5 V ±10 ppm/ °C MATCHING PERFORMANCE Linearity Matching ±1 LSB REFERENCE Positive Reference Input Range VVREFHI Note 4 VVREFLO +2.5 VDD –2.5 V Negative Reference Input Range VVREFLO Note 4 VSS VVREFHI –2.5 V Negative Reference Input Range VVREFLO Note 4, VSS = 0 V 0 VVREFHI –2.5 V Reference High Input Current IVREFHI Codes 000H, 555H –0.75 ±0.25 +0.75 mA Reference Low Input Current IVREFLO Codes 000H, 555H, VSS = –5 V –1.0 –0.6 mA AMPLIFIER CHARACTERISTICS Output Current IOUT VSS = –5 V –1.25 +1.25 mA Settling Time tS to 0.01%, Note 5 8 µs Slew Rate SR 10% to 90%, Note 5 1.5 V/ µs 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 3 13 pF LOGIC TIMING CHARACTERISTICS 3, 6 Data Setup Time tDS 25 ns Data Hold tDH 55 ns Clock Pulse Width HIGH tCH 90 ns Clock Pulse Width LOW tCL 120 ns Select Time tCSS 90 ns Deselect Delay tCSH 5ns Load Disable Time tLD1 130 ns Load Delay tLD2 35 ns Load Pulse Width tLDW 80 ns Clear Pulse Width tCLRW 150 ns SUPPLY CHARACTERISTICS Power Supply Sensitivity PSRR 0.002 0.01 %/% Positive Supply Current IDD 47 mA Negative Supply Current ISS –6 –3 mA Power Dissipation PDISS VSS = 0 V 20 35 mW NOTES 1All supplies can be varied ±5% and operation is guaranteed. Device is tested with V DD = +4.75 V. 2For single-supply operation (V VREFLO = 0 V, VSS = 0 V), due to internal offset errors INL and DNL are measured beginning at code 003H. 3Guaranteed but not tested. 4Operation is guaranteed over this reference range, but linearity is neither tested nor guaranteed. 5V OUT swing between +2.5 V and –2.5 V with VDD = 5.0 V. 6All 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. 7Typical values indicate performance measured at +25 °C. Specifications subject to change without notice. |
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