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ADT70 bảng dữ liệu(PDF) 2 Page - Analog Devices |
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ADT70 bảng dữ liệu(HTML) 2 Page - Analog Devices |
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2 / 14 page ![]() Parameter Symbol Conditions Min Typ Max Units SYSTEM CONFIGURATION Gain RL = 1 kΩ 1.234 1.295 1.364 mV/ Ω Line Regulation –2.25 0.35 2.25 %/V CURRENT SOURCES Output Current IQ1, IQ2 RL = 1 kΩ 0.9 mA Output Current Mismatch I Q1 – IQ2 R L = 1 kΩ –2 0.5 2 µA Voltage Compliance –VS to +VS – 1.5 V INSTRUMENTATION AMP Input Offset Voltage VIOS –700 150 700 µV TA = +25°C –500 100 500 µV Output Offset Voltage VOOS –12 512 mV TA = +25°C–7 37 mV Input Bias Current IB –75 40 75 nA TA = +25°C –60 30 60 nA Input Offset Current IOS –3 13 nA Common-Mode Rejection CMR VCM = 0.5 V to 3 V 65 85 dB Output Voltage Swing VOUT RL = ∞ , V S = 5 V –VS + 25 +VS – 25 mV Power Supply Rejection Ratio PSRR + 4.5 V ≤ V S ≤ 5.5 V –2.5 0.5 2.5 mV/V VOLTAGE REFERENCE Output Voltage 2.485 2.5 2.515 V TA = +25°C 2.49 2.5 2.51 V Load Regulation I L = 0 mA to 1 mA 250 ppm/mA Temperature Coefficient 10 ppm/ °C Line Regulation + 4.5 V ≤ V S ≤ +5.5 V 75 ppm/V OPERATIONAL AMPLIFIER Input Offset Voltage VIOA –1,000 400 1,000 µV TA = +25°C –800 200 800 µV Input Offset Voltage Drift TCVIOA 1 µV/°C Input Bias Current IB –75 40 75 nA TA = +25°C –60 30 60 nA Input Offset Current IOS –3 13 nA Open-Loop Voltage Gain A VOL R L = ∞ 2V/ µV Output Voltage Swing VOUTA RL = ∞ –VS + 10 +VS – 10 mV Common-Mode Rejection Ratio CMRR VCM = 1 V to 4 V 85 105 dB TA = +25°C 88 110 dB Power Supply Rejection Ratio PSRR 3 V ≤ V S ≤ 6 V 100 150 dB Slew Rate SR T A = +25°C, AV = 1, 0.17 V/ µs VIN = 0 V to 4 V SHUTDOWN INPUT Input Low Voltage VIL 0.8 V Input High Voltage VIH 2.4 V POWER SUPPLY Supply Current I SY R L = 1 kΩ 3.5 5 mA Shutdown Supply Current ISD 10 30 µA Supply Voltage VS +4.5 +5.5 V Dual Supply Voltage 4.5 5.5 V Specifications subject to change without notice. ADT70–SPECIFICATIONS REV. 0 –2– (VS = 5 V, 40 C ≤ T A ≤ 125 C unless otherwise noted) |
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