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AD7781BRZ-REEL Arkusz danych(PDF) 4 Page - Analog Devices |
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AD7781BRZ-REEL Arkusz danych(HTML) 4 Page - Analog Devices |
4 / 16 page AD7781 Rev. 0 | Page 4 of 16 Parameter Min Typ Max Unit Test Conditions/Comments INTERNAL CLOCK Frequency 64 − 3% 64 + 3% kHz Duty Cycle 50:50 % LOGIC INPUTS SCLK, FILTER, GAIN, PDRST2 Input Low Voltage, VINL 0.4 V DVDD = 3 V 0.8 V DVDD = 5 V Input High Voltage, VINH 1.8 V DVDD = 3 V 2.4 V DVDD = 5 V SCLK (Schmitt-Triggered Input) Hysteresis2 100 mV DVDD = 3 V 140 mV DVDD = 5 V Input Currents ±2 μA VIN = DVDD or GND Input Capacitance 10 pF All digital inputs LOGIC OUTPUT (DOUT/RDY) Output High Voltage, VOH2 DVDD − 0.6 V DVDD = 3 V, ISOURCE = 100 μA 4 V DVDD = 5 V, ISOURCE = 200 μA Output Low Voltage, VOL2 0.4 V DVDD = 3 V, ISINK = 100 μA 0.4 V DVDD = 5 V, ISINK = 1.6 mA Floating-State Leakage Current ±2 μA Floating-State Output Capacitance 10 pF Data Output Coding Offset binary POWER REQUIREMENTS3 Power Supply Voltage AVDD to GND 2.7 5.25 V DVDD to GND 2.7 5.25 V Power Supply Currents IDD Current Gain = 1 115 μA AVDD = 3 V 130 160 μA AVDD = 5 V Gain = 128 (B Grade) 300 μA AVDD = 3 V 350 400 μA AVDD = 5 V Gain = 128 (C Grade) 330 μA AVDD = 3 V 420 500 μA AVDD = 5 V IDD (Power-Down/Reset Mode) 10 μA 1 Temperature range is −40°C to +105°C. 2 This specification is not production tested but is supported by characterization data at initial product release. 3 Digital inputs are equal to DVDD or GND. |
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