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ADC10731 数据表(PDF) 6 Page - National Semiconductor (TI) |
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ADC10731 数据表(HTML) 6 Page - National Semiconductor (TI) |
6 / 29 page Electrical Characteristics (Continued) The following specifications apply for V + =AV+ =DV+ = +5.0 V DC,VREF+ = 2.5 VDC,VREF− = GND, VIN− = 2.5V for Signed Characteristics, V IN− = GND for Unsigned Characteristics and fCLK = 2.5 MHz unless otherwise specified. Boldface limits ap- ply for T A =TJ =TMIN to TMAX; all other limits TA =TJ = +25˚C. (Notes 8, 9, 10) Symbol Parameter Conditions Typical (Note 11) Limits (Note 12) Units (Limits) REFERENCE INPUT AND MULTIPLEXER CHARACTERISTICS On Channel Leakage Current (Note 15) On Channel = 5V and Off Channel = 0V 0.4 3.0 µA (max) On Channel = 0V and Off Channel = 5V −0.4 −3.0 µA (max) REFERENCE CHARACTERISTICS V REFOut Reference Output Voltage 2.5V ±0.5% 2.5V ±2% V (max) ∆V REF/ ∆TV REFOut Temperature Coefficient ±40 ppm/˚C ∆V REF/ ∆I L Load Regulation, Sourcing 0 mA ≤ I L ≤ +4 mA ±0.003 ±0.05 %/mA (max) ∆V REF/ ∆I L Load Regulation, Sinking 0 mA ≤ I L ≤ −1 mA ±0.2 ±0.6 %/mA (max) Line Regulation 5V ±10% ±0.3 ±2.5 mV (max) I SC Short Circuit Current V REFOut=0V 13 22 mA (max) Noise Voltage 10 Hz to 10 kHz, C L = 100 µF 5µV ∆V REF/ ∆t Long-term Stability ±120 ppm/kHr t SU Start-Up Time C L = 100 µF 100 ms DIGITAL AND DC CHARACTERISTICS V IN(1) Logical “1” Input Voltage V + = 5.5V 2.0 V (min) V IN(0) Logical “0” Input Voltage V + = 4.5V 0.8 V (max) I IN(1) Logical “1” Input Current V IN = 5.0V 0.005 +2.5 µA (max) I IN(0) Logical “0” Input Current V IN = 0V −0.005 −2.5 µA (max) V OUT(1) Logical “1” Output Voltage V + = 4.5V, I OUT = −360 µA 2.4 V (min) V + = 4.5V, I OUT = −10 µA 4.5 V (min) V OUT(0) Logical “0” Output Voltage V + = 4.5V, I OUT = 1.6 mA 0.4 V (min) I OUT TRI-STATE Output Current V OUT = 0V −0.1 −3.0 µA (max) V OUT = 5V +0.1 +3.0 µA (max) +I SC Output Short Circuit Source Current V OUT = 0V, V + = 4.5V −30 −15 mA(min) −I SC Output Short Circuit Sink Current V OUT=V + = 4.5V 30 15 mA (min) I D+ Digital Supply Current (Note 17) CS = HIGH, Power Up 0.9 1.3 mA (max) CS = HIGH, Power Down 0.2 0.4 mA (max) CS = HIGH, Power Down, and CLK Off 0.5 50 µA (max) I A+ Analog Supply Current (Note 17) CS = HIGH, Power Up CS = HIGH, Power Down 2.7 3 6.0 15 mA (max) µA (max) I REF Reference Input Current V REF+ = +2.5V and CS = HIGH, Power Up 0.6 mA (max) AC CHARACTERISTICS f CLK Clock Frequency 3.0 5 2.5 MHz (max) kHz (min) Clock Duty Cycle 40 60 %(min) %(max) t C Conversion Time 12 12 Clock Cycles 5 5 µs (max) t A Acquisition Time 4.5 4.5 Clock Cycles 2 2 µs (max) www.national.com 6 |
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类似说明 - ADC10731 |
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