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OPAX170 데이터시트(PDF) 9 Page - Texas Instruments |
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OPAX170 데이터시트(HTML) 9 Page - Texas Instruments |
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9 / 64 page ![]() 9 OPA170, OPA2170, OPA4170 www.ti.com SBOS557E – AUGUST 2011 – REVISED APRIL 2018 Product Folder Links: OPA170 OPA2170 OPA4170 Submit Documentation Feedback Copyright © 2011–2018, Texas Instruments Incorporated (1) The input range can be extended beyond (V+) – 2 V up to V+. See the Typical Characteristics and Application and Implementation sections for additional information. 7.7 Electrical Characteristics at TA = 25°C, VCM = VOUT = VS / 2, and RL = 10 kΩ connected to VS / 2 (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT OFFSET VOLTAGE VOS Input offset voltage TA = 25°C 0.25 ±1.8 mV TA = –40°C to +125°C ±2 mV dVOS/dT Input offset voltage drift TA = –40°C to +125°C ±0.3 ±2 µV/°C PSRR Input offset voltage vs power supply VS = 4 V to 36 V, TA = –40°C to +125°C 1 ±5 µV/V Channel separation, dc 5 µV/V INPUT BIAS CURRENT IB Input bias current TA = 25°C ±8 ±15 pA TA = –40°C to +125°C ±3.5 nA IOS Input offset current TA = 25°C ±4 ±15 pA TA = –40°C to +125°C ±3.5 nA NOISE Input voltage noise ƒ = 0.1 Hz to 10 Hz 2 µVPP en Input voltage noise density ƒ = 100 Hz 22 nV/ √Hz ƒ = 1 kHz 19 nV/ √Hz INPUT VOLTAGE VCM Common-mode voltage range(1) (V–) – 0.1 (V+) – 2 V CMRR Common-mode rejection ratio VS = ±2 V, (V–) - 0.1 V < VCM < (V+) - 2 V, TA = –40°C to +125°C 90 104 dB VS = ±18 V, (V–) - 0.1 V < VCM < (V+) - 2 V, TA = –40°C to +125°C 104 120 dB INPUT IMPEDANCE Differential 100 || 3 MΩ || pF Common-mode 6 || 3 1012 Ω || pF OPEN-LOOP GAIN AOL Open-loop voltage gain VS = 4 V to 36 V, (V–) + 0.35 V < VO < (V+) - 0.35 V, TA = –40°C to +125°C 110 130 dB FREQUENCY RESPONSE GBP Gain bandwidth product 1.2 MHz SR Slew rate G = +1 0.4 V/µs tS Settling time To 0.1%, VS = ±18 V, G = +1, 10-V step 20 µs To 0.01% (12-bit), VS = ±18 V, G = +1, 10-V step 28 µs Overload recovery time VIN × Gain > VS 2 µs THD+N Total harmonic distortion + noise G = +1, ƒ = 1 kHz, VO = 3 VRMS 0.0002% |
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