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AD7298BCPZ-RL7 Arkusz danych(PDF) 3 Page - Analog Devices |
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AD7298BCPZ-RL7 Arkusz danych(HTML) 3 Page - Analog Devices |
3 / 18 page Preliminary Technical Data AD7298 Rev. PrA | Page 3 of 18 Parameter Min Typ Max Unit Test Conditions/Comments LOGIC INPUTS Input High Voltage, VINH 0.7 × VDRIVE V Input Low Voltage, VINL +0.3 x VDRIVE V Input Current, IIN ±0.01 ±1 µA VIN = 0 V or VDRIVE Input Capacitance, CIN2 3 pF LOGIC OUTPUTS Output High Voltage, VOH VDRIVE − 0.2 V Output Low Voltage, VOL 0.4 V Floating State Leakage Current ±0.01 ±1 µA Floating State Output Capacitance2 8 pF TEMPERATURE SENSOR—INTERNAL Operating Range −40 +125 Accuracy ±1 ±2 °C TA = −40°C to +85°C ±2 ±3 °C TA = >85°C to 125°C Resolution 0.25 °C LSB size CONVERSION RATE Conversion Time T2 + 16 × tSCL 1 μs For VIN0 to VIN7, with one cycle Latency. 100 μs TSENSE Channel Track/Hold Acquisition Time2 TBD ns Full-scale step input Throughput Rate 1 MSPS fSCLK = 20 MHz, for analog voltage conversions, one cycle Latency, 10 KSPS For TSENSE channel, one cycle Latency POWER REQUIREMENTS Digital inputs = 0 V or VDRIVE VDD 2.8 3 3.6 V See VDRIVE 1.65 3 3.6 V ITOTAL5 VDD = 3.3V Normal Mode (Operational)6 5 mA Normal Mode (Static) 3 mA Partial Power-Down Mode TBD mA Full Power-Down Mode 5 60 μA Power Dissipation VDD = 3.3V Normal Mode (Operational) 16.5 mW Normal Mode (Static) 9.9 mW Partial Power-Down Mode TBD mW Full Power-Down Mode 1.65 μW 1 See the Terminology Section. 2 Sample tested during initial release to ensure compliance. 3 Refers to Pin VREF specified for 25oC. 4 VREF variations from 2.5V will alter the gain error of the temperature sensor, oC per LSB, and a correction factor may be required, See Section X. 5 ITOTAL is the total current flowing in VDD and VDRIVE. 6 Current and power typical specifications are based on results with VDD = 3V and VDRIVE = 1.8V |
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