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AD7701BQ bảng dữ liệu(PDF) 4 Page - Analog Devices |
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AD7701BQ bảng dữ liệu(HTML) 4 Page - Analog Devices |
4 / 21 page REV. E AD7701 –3– Parameter A, S Version 2 B, T Version 2 Unit 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) 2.7 2.7 mA max Typically 2 mA Digital Positive Supply (DIDD)2 2 mA max Typically 1 mA Analog Negative Supply (AISS) 2.7 2.7 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 37 37 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 1The A IN pin presents a very high impedance dynamic load that varies with clock frequency. 2Temperature ranges are as follows: A, B Versions: –40 °C to +85°C; S, T Versions: –55°C to +125°C. 3Apply after calibration at the temperature of interest. Full-scale error applies for both unipolar and bipolar input ranges. 4Total 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. 5In Unipolar mode, the offset can have a negative value (–V REF) such that the Unipolar mode can mimic Bipolar mode operation. 6The specifications for input overrange and for input span apply additional constraints on the offset calibration range. 7For 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). 8All digital outputs unloaded. All digital inputs at 5 V CMOS levels. 9Applies 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. |
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Mô tả tương tự - AD7701BQ |
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