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ADCS7478AIMFX 数据表(PDF) 4 Page - National Semiconductor (TI) |
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ADCS7478AIMFX 数据表(HTML) 4 Page - National Semiconductor (TI) |
4 / 22 page ADCS7476/ADCS7477/ADCS7478 Specifications(Note 2) (Continued) ADCS7476 Converter Electrical Characteristics (Continued) The following specifications apply for V DD = +2.7V to 5.25V, fSCLK = 20 MHz, fSAMPLE = 1 MSPS unless otherwise noted. Bold- face limits apply for T A = −40˚C to +85˚C: all other limits TA = 25˚C, unless otherwise noted. Symbol Parameter Conditions Typical Limits Units POWER SUPPLY CHARACTERISTICS I DD Normal Mode (Static) V DD = +4.75V to +5.25V, SCLK On or Off 2mA V DD = +2.7V to +3.6V, SCLK On or Off 1mA Normal Mode (Operational) V DD = +4.75V to +5.25V, f SAMPLE = 1 MSPS 2.0 3.5 mA (max) V DD = +2.7V to +3.6V, f SAMPLE = 1 MSPS 0.6 1.6 mA (max) Shutdown Mode V DD = +5V, SCLK Off 0.5 µA V DD = +5V, SCLK On 60 µA P D Power Consumption, Normal Mode (Operational) V DD = +5V, fSAMPLE = 1 MSPS 10 17.5 mW (max) V DD = +3V, fSAMPLE = 1 MSPS 2 4.8 mW (max) Power Consumption, Shutdown Mode V DD = +5V, SCLK Off 2.5 µW V DD = +3V, SCLK Off 1.5 µW ANALOG INPUT CHARACTERISTICS V IN Input Range 0 to V DD V I DCL DC Leakage Current ±1 µA (max) C INA Analog Input Capacitance 30 pF DIGITAL INPUT CHARACTERISTICS V IH Input High Voltage 2.4 V (min) V IL Input Low Voltage V DD = +5V 0.8 V (max) V DD = +3V 0.4 V (max) I IN Input Current V IN =0VorVDD ±10 nA ±1 µA (max) C IND Digital Input Capacitance 2 4 pF (max) DIGITAL OUTPUT CHARACTERISTICS V OH Output High Voltage I SOURCE = 200 µA, V DD = +2.7V to +5.25V V DD −0.2 V (min) V OL Output Low Voltage I SINK = 200 µA 0.4 V (max) I OL TRI-STATE Leakage Current ±10 µA (max) C OUT TRI-STATE Output Capacitance 2 4 pF (max) Output Coding Straight (Natural) Binary AC ELECTRICAL CHARACTERISTICS f SCLK Clock Frequency 20 MHz (max) DC SCLK Duty Cycle 40 60 % (min) % (max) t TH Track/Hold Acquisition Time 400 ns (max) f RATE Throughput Rate See Serial Interface Section 1 MSPS (max) t AD Aperture Delay 3 ns t AJ Aperture Jitter 30 ps www.national.com 4 |
类似零件编号 - ADCS7478AIMFX |
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类似说明 - ADCS7478AIMFX |
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