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AD7991YRJZ-0RL Datenblatt(PDF) 6 Page - Analog Devices |
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AD7991YRJZ-0RL Datenblatt(HTML) 6 Page - Analog Devices |
6 / 28 page AD7991/AD7995/AD7999 Rev. 0 | Page 6 of 28 Y Version Parameter Min Typ Max Unit Test Conditions/Comments LOGIC INPUTS (SDA, SCL) Input High Voltage, VINH 0.7 (VDD) V VDD = 2.7 V to 5.5 V 0.9 (VDD) V VDD = 2.35 V to 2.7 V Input Low Voltage, VINL 0.3 (VDD) V VDD = 2.7 V to 5.5 V 0.1 (VDD) V VDD = 2.35 V to 2.7 V Input Leakage Current, IIN ±1 μA VIN = 0 V or VDD Input Capacitance, CIN6 10 pF Input Hysteresis, VHYST 0.1 (VDD) V LOGIC OUTPUTS (OPEN DRAIN) Output Low Voltage, VOL 0.4 V ISINK = 3 mA 0.6 V ISINK = 6 mA Floating-State Leakage Current ±1 μA Floating-State Output Capacitance6 10 pF Output Coding Straight (natural) binary THROUGHPUT RATE 18 × (1/fSCL) fSCL ≤ 1.7 MHz; see the Serial Interface section 17.5 × (1/fSCL) + 2 μs fSCL > 1.7 MHz; see the Serial Interface section POWER REQUIREMENTS2 VREF = VDD; for fSCL = 3.4 MHz, clock stretching is implemented VDD 2.7 5.5 V IDD Digital inputs = 0 V or VDD ADC Operating, Interface Active (Fully Operational) 0.09/0.25 mA VDD = 3.3 V/5.5 V, 400 kHz fSCL 0.25/0.8 mA VDD = 3.3 V/5.5 V, 3.4 MHz fSCL Power-Down, Interface Active7 0.07/0.16 mA VDD = 3.3 V/5.5 V, 400 kHz fSCL 0.26/0.85 mA VDD = 3.3 V/5.5 V, 3.4 MHz fSCL Power-Down, Interface Inactive7 1/1.6 μA VDD = 3.3 V/5.5 V Power Dissipation ADC Operating, Interface Active (Fully Operational) 0.3/1.38 mW VDD = 3.3 V/5.5 V, 400 kHz fSCL 0.83/4.4 mW VDD = 3.3 V/5.5 V, 3.4 MHz fSCL Power-Down, Interface Active7 0.24/0.88 mW VDD = 3.3 V/5.5 V, 400 kHz fSCL 0.86/4.68 mW VDD = 3.3 V/5.5 V, 3.4 MHz fSCL Power-Down, Interface Inactive7 3.3/8.8 μW VDD = 3.3 V/5.5 V 1 Functional from VDD = 2.35 V. 2 Sample delay and bit trial delay enabled, t1 = t2 = 0.5/fSCL. 3 For fSCL up to 400 kHz, clock stretching is not implemented. Above fSCL = 400 kHz, clock stretching is implemented. 4 See the Terminology section. 5 For fSCL ≤ 1.7 MHz, clock stretching is not implemented; for fSCL > 1.7 MHz, clock stretching is implemented. 6 Guaranteed by initial characterization. 7 See the Reading from the AD7991/AD7995/AD7999 section. |
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