Datasheet AD7291-EP (Analog Devices) - 4

AD7291-EP Enhanced Product Parameter Min Typ Max Unit1 Test Conditions/Comments
LOGIC OUTPUTS Output High Voltage, VOH VDRIVE − 0.3 V VDRIVE < 1.8 VDRIVE − 0.2 V VDRIVE ≥ 1.8 Output Low Voltage, VOL 0.4 V ISINK = 3 mA 0.6 V ISINK = 6 mA Floating State Leakage Current ±0.01 ±1 µA Floating State Output Capacitance2 8 pF INTERNAL TEMPERATURE SENSOR Operating Range −55 +125 °C Accuracy ±1 ±2 °C TA = −55°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 Rate5 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 I 6, 7 TOTAL Normal Mode (Operational) 2.9 3.5 mA Normal Mode (Static) 2.9 3.4 mA Full Power-Down Mode 0.3 1.6 μA TA = −55°C to +25°C 1.6 4.5 μA TA = >25°C to 85°C 4.9 13 μA TA = >85°C to 125°C Power Dissipation7 Normal Mode (Operational) 8.7 10.5 mW VDD = 3 V, VDRIVE = 3 V 10.4 12.6 mW Normal Mode (Static) 10.4 12.2 mW Full Power-Down Mode 1.1 5.8 µW TA = −55°C to +25°C 5.8 16.2 µW TA = >25°C to 85°C 17.6 46.8 µW TA = >85°C to 125°C 1 All specifications expressed in decibels are referred to full-scale range (FSR) and tested with an input signal at 0.5 dB below ful scale, unless otherwise specified. 2 Sample tested during initial product release to ensure compliance. 3 Refers to Pin VREF specified for 25oC. 4 A correction factor can be required on the temperature sensor results when using an external VREF (see the AD7291 data sheet). 5 Sampled during initial product release to ensure compliance; not subject to production testing. 6 ITOTAL is the total current flowing in VDD and VDRIVE. 7 ITOTAL and power dissipation are specified with VDD = VDRIVE = 3.6 V, unless otherwise noted. Rev. 0 | Page 4 of 8 Document Outline FEATURES ENHANCED PRODUCT FEATURES FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS OUTLINE DIMENSIONS ORDERING GUIDE