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DAC122S085EVAL 데이터시트(PDF) 5 Page - National Semiconductor (TI) |
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DAC122S085EVAL 데이터시트(HTML) 5 Page - National Semiconductor (TI) |
5 / 18 page Electrical Characteristics (Continued) Values shown in this table are design targets and are subject to change before product release. The following specifica- tions apply for V A = +2.7V to +5.5V, VREFIN =VA,CL = 200 pF to GND, fSCLK = 30 MHz, input code range 48 to 4047. Bold- face limits apply for T MIN ≤ T A ≤ T MAX and all other limits are at TA = 25˚C, unless otherwise specified. Symbol Parameter Conditions Typical (Note 9) Limits (Note 9) Units (Limits) I OS Output Short Circuit Current V A = 3V, VOUT = 0V, Input Code = FFFh -56 mA V A = 5V, VOUT = 0V, Input Code = FFFh -69 mA V A = 3V, VOUT = 5V, Input Code = 000h 52 mA V A = 5V, VOUT = 5V, Input Code = 000h 75 mA I O Continuous Output Current (Note 10) Available on each DAC output 11 mA (max) C L Maximum Load Capacitance R L = ∞ 1500 pF R L =2k Ω 1500 pF Z OUT DC Output Impedance 7.5 Ω REFERENCE INPUT CHARACTERISTICS VREFIN Input Range Minimum 0.2 1.0 V (min) Input Range Maximum V A V (max) Input Impedance 60 k Ω LOGIC INPUT CHARACTERISTICS I IN Input Current (Note 10) ±1 µA (max) V IL Input Low Voltage (Note 10) V A = 3V 0.9 0.6 V (max) V A = 5V 1.5 0.8 V (max) V IH Input High Voltage (Note 10) V A = 3V 1.4 2.1 V (min) V A = 5V 2.1 2.4 V (min) C IN Input Capacitance (Note 10) 3 pF (max) POWER REQUIREMENTS V A Supply Voltage Minimum 2.7 V (min) Supply Voltage Maximum 5.5 V (max) I N Normal Supply Current (output unloaded) f SCLK =30MHz V A = 2.7V to 3.6V 210 270 µA (max) V A = 4.5V to 5.5V 320 410 µA (max) f SCLK =0 V A = 2.7V to 3.6V 190 µA (max) V A = 4.5V to 5.5V 290 µA (max) I PD Power Down Supply Current (output unloaded, SYNC = 0V after PD mode loaded) All PD Modes, f SCLK =30MHz V A = 2.7V to 3.6V 0.02 µA (max) V A = 4.5V to 5.5V 0.03 µA (max) All PD Modes, f SCLK = 0 (Note 10) V A = 2.7V to 3.6V 0.015 1.0 µA (max) V A = 4.5V to 5.5V 0.025 1.0 µA (max) www.national.com 5 |
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