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AD7719 Datasheet(PDF) 5 Page - Analog Devices |
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AD7719 Datasheet(HTML) 5 Page - Analog Devices |
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5 / 40 page  REV. 0 –5– AD7719–SPECIFICATIONS1 Parameter AD7719B Unit Test Conditions LOGIC INPUTS All Inputs Except SCLK and XTAL1 2 VINL, Input Low Voltage 0.8 V max DVDD = 5 V 0.4 V max DVDD = 3 V VINH, Input High Voltage 2.0 V min DVDD = 3 V or 5 V SCLK Only (Schmitt-Triggered Input) 2 VT(+) 1.4/2 V min/V max DVDD = 5 V VT(–) 0.8/1.4 V min/V max DVDD = 5 V VT(+) – VT(–) 0.3/0.85 V min/V max DVDD = 5 V VT(+) 0.95/2 V min/V max DVDD = 3 V VT(–) 0.4/1.1 V min/V max DVDD = 3 V VT(+) – VT(–) 0.3/0.85 V min/V max DVDD = 3 V XTAL1 Only 2 VINL, Input Low Voltage 0.8 V max DVDD = 5 V VINH, Input High Voltage 3.5 V min DVDD = 5 V VINL, Input Low Voltage 0.4 V max DVDD = 3 V VINH, Input High Voltage 2.5 V min DVDD = 3 V Input Currents ±10 µA max VIN = DVDD –70 µA max VIN = DGND, Typically –40 µA at 5 V and –20 µA at 3 V Input Capacitance 2 10 pF typ All Digital Inputs LOGIC OUTPUTS (Excluding XTAL2) VOH, Output High Voltage 2 DVDD – 0.6 V min DVDD = 3 V, ISOURCE = 100 µA VOL, Output Low Voltage 2 0.4 V max DVDD = 3 V, ISINK = 100 µA VOH, Output High Voltage 2 4 V min DVDD = 5 V, ISOURCE = 200 µA VOL, Output Low Voltage 2 0.4 V max DVDD = 5 V, ISINK = 1.6 mA Floating-State Leakage Current ±10 µA max Floating-State Output Capacitance ±10 pF typ Data Output Coding Binary Unipolar Mode Offset Binary Bipolar Mode I/O PORT 7 I/O Port Voltages Are with Respect to AVDD and AGND VINL, Input Low Voltage 2 0.8 V max AVDD = 5 V 0.4 V max AVDD = 3 V VINH, Input High Voltage 2 2.0 V min AVDD = 3 V or 5 V Input Currents ±10 µA max VIN = AVDD –70 µA max VIN = AGND, Typically –40 µA at AV DD = 5 V and –20 µA at AV DD = 3 V Input Capacitance 10 pF typ All Digital Inputs VOH, Output High Voltage 2 AVDD – 0.6 V min AVDD = 3 V, ISOURCE = 100 µA VOL, Output Low Voltage 2 0.4 V max AVDD = 3 V, ISINK = 100 µA VOH, Output High Voltage 2 4 V min AVDD = 5 V, ISOURCE = 200 µA VOL, Output Low Voltage 2 0.4 V max AVDD = 5 V, ISINK = 1.6 mA Floating-State Output Leakage Current ±10 µA max Floating-State Output Capacitance ±10 pF typ START-UP TIME From Power-On 300 ms typ From Idle Mode 1 ms typ From Power-Down Mode 1 ms typ Osc. Active in Power-Down 300 ms typ Osc. Powered Down POWER REQUIREMENTS Power Supply Voltages AVDD – AGND 2.7/3.6 V min/max AVDD = 3 V nom 4.75/5.25 V min/max AVDD = 5 V nom DVDD – DGND 2.7/3.6 V min/max DVDD = 3 V nom 4.75/5.25 V min DVDD = 5 V nom Power Supply Currents DIDD Current (Normal Mode) 12 0.6 mA max DVDD = 3 V, 0.5 mA typ 0.75 mA max DVDD = 5 V, 0.6 mA typ |
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