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AD624 데이터시트(PDF) 5 Page - Analog Devices |
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AD624 데이터시트(HTML) 5 Page - Analog Devices |
5 / 20 page Preliminary Technical Data AD8426 Rev. PrD | Page 5 of 20 Test Conditions/ Comments A Grade B Grade Parameter Min Typ Max Min Typ Max Unit RL = 10 kΩ to Ground TA = +25°C −VS + 0.2 +VS − 0.2 −VS + 0.2 +VS − 0.2 V TA = +125°C −VS + 0.3 +VS − 0.3 −VS + 0.3 +VS − 0.3 V TA = −40°C −VS + 0.2 +VS − 0.2 −VS + 0.2 +VS − 0.2 V RL = 100 kΩ to Ground TA = −40°C to +125°C −VS + 0.1 +VS − 0.1 −VS + 0.1 +VS − 0.1 V Short-Circuit Current 13 13 mA POWER SUPPLY Operating Range Dual-supply operation ±1.35 ±18 ±1.35 ±18 V Quiescent Current (Per Amplifier) TA = +25°C 350 425 350 425 μA TA = −40°C 250 325 250 325 μA TA = +85°C 450 525 450 525 μA TA = +125°C 525 600 525 600 μA TEMPERATURE RANGE −40 +125 −40 +125 °C 1 The input stage uses pnp transistors; therefore, input bias current always flows into the part. 2 The values specified for G > 1 do not include the effects of the external gain-setting resistor, RG. 3 Input voltage range of the AD8426 input stage. The input range depends on the common-mode voltage, the differential voltage, the gain, and the reference voltage. See the Input Voltage Range section for more information. SINGLE-SUPPLY OPERATION +VS = 2.7 V, −VS = 0 V, VREF = 0 V, TA = 25°C, G = 1, RL = 10 kΩ, specifications referred to input, unless otherwise noted. Table 3. Test Conditions/ Comments A Grade B Grade Parameter Min Typ Max Min Typ Max Unit COMMON-MODE REJECTION RATIO (CMRR) VCM = 0 V to 1.7 V CMRR, DC to 60 Hz G = 1 80 86 dB G = 10 100 105 dB G = 100 105 110 dB G = 1000 105 110 dB CMRR at 5 kHz G = 1 80 80 dB G = 10 90 90 dB G = 100 90 90 dB G = 1000 100 100 dB NOISE Total noise: eN = √(eNI2 + (eNO/G)2) Voltage Noise f = 1 kHz Input Voltage Noise, eNI 22 24 22 24 nV/√Hz Output Voltage Noise, eNO 120 125 120 125 nV/√Hz RTI Noise f = 0.1 Hz to 10 Hz G = 1 2 2 μV p-p G = 10 0.5 0.5 μV p-p G = 100 to 1000 0.4 0.4 μV p-p Current Noise f = 1 kHz 100 100 fA/√Hz f = 0.1 Hz to 10 Hz 3 3 pA p-p VOLTAGE OFFSET Total offset voltage: VOS = VOSI + (VOSO/G) Input Offset, VOSI 300 150 μV |
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