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AD7291 Datasheet(PDF) 5 Page - Analog Devices |
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AD7291 Datasheet(HTML) 5 Page - Analog Devices |
5 / 29 page AD7291 Data Sheet Rev. C | Page 4 of 28 Parameter Min Typ Max Unit1 Test Conditions/Comments Floating State Leakage Current ±0.01 ±1 µA Floating State Output Capacitance3 8 pF TEMPERATURE SENSOR—INTERNAL Operating Range −40 +125 °C Accuracy ±1 ±2 °C TA = −40°C to +85°C ±1 ±3 °C TA = 85°C to 125°C Resolution 0.25 °C LSB size CONVERSION RATE Conversion Time 3.2 μs Autocycle Update Rate6 50 μs Throughput Rate 22.22 kSPS fSCL = 400 kHz POWER REQUIREMENTS Digital inputs = 0 V or VDRIVE VDD 2.8 3 3.6 V VDRIVE 1.65 3 3.6 V ITOTAL7, 8 Normal Mode (Operational) 2.9 3.5 mA Normal Mode (Static) 2.9 3.3 mA Full Power-Down Mode 0.3 1.6 μA TA = −40°C to +25°C 1.6 4.5 μA TA = >25°C to 85°C 4.9 12 μA TA = >85°C to 125°C Power Dissipation8 Normal Mode (Operational) 8.7 10.5 mW VDD = 3 V, VDRIVE = 3 V 10.4 12.6 mW Normal Mode (Static) 10.4 11.9 mW Full Power-Down Mode 1.1 5.8 µW TA = −40°C to +25°C 5.8 16.2 µW TA = >25°C to 85°C 17.6 43.2 µW TA = >85°C to 125°C 1 All specifications expressed in decibels are referred to full-scale input, FSR, and tested with an input signal at 0.5 dB below full scale, unless otherwise specified. 2 See the Terminology section. 3 Sample tested during initial release to ensure compliance. 4 Refers to Pin VREF specified for 25oC. 5 A correction factor can be required on the temperature sensor results when using an external VREF (see the Temperature Sensor Averaging section). 6 Sampled during initial release to ensure compliance; not subject to production testing. 7 ITOTAL is the total current flowing in VDD and VDRIVE. 8 ITOTAL and power dissipation are specified with VDD = VDRIVE = 3.6 V, unless otherwise noted. |
Similar Part No. - AD7291_16 |
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Similar Description - AD7291_16 |
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