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OPA171 Datasheet(PDF) 3 Page - Texas Instruments |
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OPA171 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 33 page OPA171 OPA2171 OPA4171 www.ti.com SBOS516C – SEPTEMBER 2010 – REVISED JUNE 2011 ELECTRICAL CHARACTERISTICS Boldface limits apply over the specified temperature range, TA = –40°C to +125°C. At TA = +25°C, VS = +2.7V to +36V, VCM = VOUT = VS/2, and RLOAD = 10kΩ connected to VS/2, unless otherwise noted. OPA171, OPA2171, OPA4171 PARAMETER TEST CONDITIONS MIN TYP MAX UNIT OFFSET VOLTAGE Input offset voltage VOS 0.25 ±1.8 mV Over temperature 0.3 ±2 mV Drift dVOS/dT 0.3 ±2 µV/°C vs power supply PSRR VS = +4V to +36V 1 ±3 µV/V Channel separation, dc dc 5 µV/V INPUT BIAS CURRENT Input bias current IB ±8 ±15 pA Over temperature ±3.5 nA Input offset current IOS ±4 pA Over temperature ±3.5 nA NOISE Input voltage noise f = 0.1Hz to 10Hz 3 µVPP f = 100Hz 25 nV/ √Hz Input voltage noise density en f = 1kHz 14 nV/ √Hz INPUT VOLTAGE Common-mode voltage range(1) VCM (V –) – 0.1V (V+) – 2V V VS = ±2V, (V–) – 0.1V < VCM < (V+) – 2V 90 104 dB Common-mode rejection ratio CMRR VS = ±18V, (V–) – 0.1V < VCM < (V+) – 2V 104 120 dB INPUT IMPEDANCE Differential 100 || 3 M Ω || pF 1012 Ω || Common-mode 6 || 3 pF OPEN-LOOP GAIN Open-loop voltage gain AOL VS = +4V to +36V, (V–) + 0.35V < VO < (V+) – 0.35V 110 130 dB FREQUENCY RESPONSE Gain bandwidth product GBP 3.0 MHz Slew rate SR G = +1 1.5 V/ µs To 0.1%, VS = ±18V, G = +1, 10V step 6 µs Settling time tS To 0.01% (12 bit), VS = ±18V, G = +1, 10V step 10 µs Overload recovery time VIN × Gain > VS 2 µs Total harmonic distortion + noise THD+N G = +1, f = 1kHz, VO = 3VRMS 0.0002 % OUTPUT Voltage output swing from rail VO VS = 5V, RL = 10kΩ 30 mV Over temperature RL = 10kΩ, AOL ≥ 110dB (V –) + 0.35 (V+) – 0.35 V Short-circuit current ISC +25/ –35 mA Capacitive load drive CLOAD See Typical Characteristics pF Open-loop output resistance RO f = 1MHz, IO = 0A 150 Ω POWER SUPPLY Specified voltage range VS +2.7 +36 V Quiescent current per amplifier IQ IO = 0A 475 595 µA Over temperature IO = 0A 650 µA TEMPERATURE Specified range –40 +125 °C Operating range –55 +150 °C (1) The input range can be extended beyond (V+) – 2V up to V+. See the Typical Characteristics and Application Information sections for additional information. Copyright © 2010–2011, Texas Instruments Incorporated 3 |
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