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OPA188 Datasheet(PDF) 5 Page - Texas Instruments |
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OPA188 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 33 page OPA188 www.ti.com SBOS642A – MARCH 2013 – REVISED MARCH 2013 ELECTRICAL CHARACTERISTICS: Low-Voltage Operation, VS = ±2 V to < ±4 V (VS = +4 V to < +8 V) At TA = +25°C, RL = 10 kΩ connected to VS / 2 (1), and V CM = VOUT = VS / 2 (1), unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNIT OFFSET VOLTAGE ±6 ±25 μV VOS Input offset voltage TA = –40°C to +125°C ±0.03 ±0.085 μV/°C VS = 4 V to 36 V, PSRR Power-supply rejection ratio 0.075 0.3 μV/V TA = –40°C to +125°C Long-term stability(2) 4 μV INPUT BIAS CURRENT ±160 ±1400 pA IB Input bias current TA = –40°C to +125°C ±8 nA ±320 ±2800 pA IOS Input offset current TA = –40°C to +125°C ±4 nA NOISE f = 0.1 Hz to 10 Hz 250 nVPP en Input voltage noise f = 0.1 Hz to 10 Hz 40 nVrms Input voltage noise density f = 1 kHz 8.8 nV/ √Hz in Input current noise density f = 1 kHz 7 fA/ √Hz INPUT VOLTAGE RANGE VCM Common-mode voltage range TA = –40°C to +125°C V– (V+) – 1.5 V (V–) < VCM < (V+) – 1.5 V 106 114 dB (V–) + 0.5 V < VCM < (V+) – 1.5 V, 114 120 dB CMRR Common-mode rejection ratio VS = ±2 V (V–) + 0.5 V < VCM < (V+) – 1.5 V, 110 120 dB VS = ±2 V, TA = –40°C to +125°C INPUT IMPEDANCE ZID Differential 100 || 6 M Ω || pF ZIC Common-mode 6 || 9.5 1012 Ω || pF OPEN-LOOP GAIN (V–) + 0.5 V < VO < (V+) – 0.5 V, 110 120 dB RL = 5 kΩ AOL Open-loop voltage gain (V–) + 0.5 V < VO < (V+) – 0.5 V 120 130 dB (V–) + 0.5 V < VO < (V+) – 0.5 V, 110 120 dB TA = –40°C to +125°C FREQUENCY RESPONSE GBW Gain-bandwidth product 2 MHz SR Slew rate G = +1 0.8 V/ μs tOR Overload recovery time VIN × G = VS 1 μs THD+N Total harmonic distortion + noise 1 kHz, G = 1, VOUT = 1 Vrms 0.0001% (1) VS / 2 = midsupply. (2) 1000-hour life test at +125°C demonstrated randomly distributed variation in the range of measurement limits—approximately 4 μV. Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: OPA188 |
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