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AD7890 Datasheet(PDF) 4 Page - Analog Devices |
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AD7890 Datasheet(HTML) 4 Page - Analog Devices |
4 / 28 page AD7890 Rev. C | Page 4 of 28 Parameter A Versions1 B Versions S Version Unit Test Conditions/Comments LOGIC INPUTS Input High Voltage, VINH 2.4 2.4 2.4 V min VDD = 5 V ± 5% Input Low Voltage, VINL 0.8 0.8 0.8 V max VDD = 5 V ± 5% Input Current, IIN ±10 ±10 ±10 μA max VIN = 0 V to VDD Input Capacitance, CIN5 10 10 10 pF max LOGIC OUTPUTS Output High Voltage, VOH 4.0 4.0 4.0 V min ISOURCE = 200 μA Output Low Voltage, VOL 0.4 0.4 0.4 V max ISINK = 1.6 mA Serial Data Output Coding AD7890-10 Twos Complement AD7890-4 Straight (Natural) Binary AD7890-2 Straight (Natural) Binary CONVERSION RATE Conversion Time 5.9 5.9 5.9 μs max fCLK IN = 2.5 MHz, MUX OUT, connected to SHA IN Track/Hold Acquisition Time2, 5 2 2 2 μs max POWER REQUIREMENTS VDD 5 5 5 V nom ± 5% for specified performance IDD (Normal Mode) 10 10 10 mA max Logic inputs = 0 V or VDD IDD (Standby Mode)6 @ 25°C 15 15 15 μA typ Logic inputs = 0 V or VDD Power Dissipation Normal Mode 50 50 50 mW max Typically 30 mW Standby Mode @ 25°C 75 75 75 μW typ 1 Temperature ranges are as follows: A, B Versions: −40°C to +85°C; S Version: −55°C to +125°C. 2 See the Terminology section. 3 This sample rate is only achievable when using the part in external clocking mode. 4 Full-scale error match applies to positive full scale for the AD7890-2 and AD7890-4. It applies to both positive and negative full scale for the AD7890-10. 5 Sample tested @ 25°C to ensure compliance. 6 Analog inputs on AD7890-10 must be at 0 V to achieve correct power-down current. |
Similar Part No. - AD7890_15 |
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Similar Description - AD7890_15 |
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