Datenblatt-Suchmaschine für elektronische Bauteile |
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AD7701SQ Datenblatt(PDF) 3 Page - Analog Devices |
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AD7701SQ Datenblatt(HTML) 3 Page - Analog Devices |
3 / 16 page Parameter A, S Versions 2 B, T Versions 2 Units Test Conditions/Comments POWER REQUIREMENTS 8 Power Supply Voltages Analog Positive Supply (AVDD) 4.5/5.5 4.5/5.5 V min/V max Digital Positive Supply (DVDD) 4.5/AVDD 4.5/AVDD V min/V max Analog Negative Supply (AVSS) –4.5/–5.5 –4.5/–5.5 V min/V max Digital Negative Supply (DVSS) –4.5/–5.5 –4.5/–5.5 V min/V max Calibration Memory Retention Power Supply Voltage 2.0 2.0 V min DC Power Supply Currents 8 Analog Positive Supply (AIDD) 3.2 3.2 mA max Typically 2 mA Digital Positive Supply (DIDD) 1.5 1.5 mA max Typically 1 mA Analog Negative Supply (AISS) 3.2 3.2 mA max Typically 2 mA Digital Negative Supply (DISS) 0.1 0.1 mA max Typically 0.03 mA Power Supply Rejection 9 Positive Supplies 70 70 dB typ Negative Supplies 75 75 dB typ Power Dissipation Normal Operation 40 40 mW max SLEEP = Logic 1, Typically 25 mW Standby Operation 10 20 (40 S Version) 20 (40 T Version) µW max SLEEP = Logic 0, Typically 10 µW NOTES 11The A IN pin presents a very high impedance dynamic load which varies with clock frequency. 12Temperature ranges are as follows: A, B Versions; –40 °C to +85°C; S, T Versions; –55°C to +125°C. 13Apply after calibration at the temperature of interest. Full-scale error applies for both unipolar and bipolar input ranges. 14Total drift over the specified temperature range since calibration at power-up at +25 °C. This is guaranteed by design and/or characterization. Recalibration at any temperature will remove these errors. 15In unipolar mode the offset can have a negative value (–V REF) such that the unipolar mode can mimic bipolar mode operation. 16The specifications for input overrange and for input span apply additional constraints on the offset calibration range. 17For unipolar mode, input span is the difference between full scale and zero scale. For bipolar mode, input span is the difference between positive and negative full-scale points. When using less than the maximum input span, the span range may be placed anywhere within the range of ±(V REF +0.1) 18All digital outputs unloaded. All digital inputs at 5 V CMOS levels. 19Applies in 0.1 Hz to 10 Hz bandwidth. PSRR at 60 Hz will exceed 120 dB due to the digital filter. 10CLKIN is stopped. All digital inputs are grounded. Specifications subject to change without notice. REV. D –3– AD7701 WARNING! ESD SENSITIVE DEVICE CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although this device features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance degradation or loss of functionality. ABSOLUTE MAXIMUM RATINGS 1 (TA = +25°C unless otherwise noted) DVDD to AGND . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +6 V DVDD to AVDD . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +0.3 V DVSS to AGND . . . . . . . . . . . . . . . . . . . . . . . . +0.3 V to –6 V AVDD to AGND . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +6 V AVSS to AGND . . . . . . . . . . . . . . . . . . . . . . . . +0.3 V to –6 V AGND to DGND . . . . . . . . . . . . . . . . . . . . –0.3 V to +0.3 V Digital Input Voltage to DGND . . . . –0.3 V to DVDD +0.3 V Analog Input Voltage to AGND . . . . . . . . AVSS – 0.3 V to AVDD + 0.3 V Input Current to Any Pin Except Supplies 2 . . . . . . . . ±10 mA Operating Temperature Range Commercial Plastic (A, B Versions) . . . . . –40 °C to +85°C Industrial Cerdip (A, B Versions) . . . . . . . –40 °C to +85°C Extended Cerdip (S, T Versions) . . . . . . –55 °C to +125°C Storage Temperature Range . . . . . . . . . . . –65 °C to +150°C Lead Temperature (Soldering, 10 secs) . . . . . . . . . . . +300 °C Power Dissipation (Any Package) to +75 °C . . . . . . . 450 mW Derates above +75 °C by . . . . . . . . . . . . . . . . . . . . 10 mW/°C NOTES 1Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those listed in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. 2Transient currents of up to 100 mA will not cause SCR latch-up. |
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