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OPA2188AIDR Datasheet(PDF) 3 Page - Texas Instruments |
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OPA2188AIDR Datasheet(HTML) 3 Page - Texas Instruments |
3 / 26 page OPA2188 www.ti.com SBOS525B – AUGUST 2011 – REVISED SEPTEMBER 2012 ELECTRICAL CHARACTERISTICS: High-Voltage Operation, VS = ±4 V to ±18 V (VS = +8 V to +36 V) At TA = +25°C, RL = 10 kΩ connected to VS / 2, and VCOM = VOUT = VS / 2, unless otherwise noted. OPA2188 PARAMETER CONDITIONS MIN TYP MAX UNIT OFFSET VOLTAGE 6 25 μV VOS Input offset voltage TA = –40°C to +105°C 0.03 0.085 μV/°C VS = 4 V to 36 V, VCM = VS / 2 0.075 0.3 μV/V PSRR Power-supply rejection ratio VS = 4 V to 36 V, VCM = VS / 2, 0.3 μV/V TA = –40°C to +105°C Long-term stability 4(1) μV Channel separation, dc 1 μV/V INPUT BIAS CURRENT VCM = VS / 2 ±160 ±850 pA IB Input bias current TA = –40°C to +105°C ±4 nA ±320 ±1700 pA IOS Input offset current TA = –40°C to +105°C ±2 nA NOISE en Input voltage noise f = 0.1 Hz to 10 Hz 0.25 μVPP en 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 V– (V+) – 1.5 V (V–) < VCM < (V+) – 1.5 V 120 134 dB (V–) + 0.5 V < VCM < (V+) – 1.5 V, 130 146 dB CMRR Common-mode rejection ratio VS = ±18 V (V–) + 0.5 V < VCM < (V+) – 1.5 V, 120 126 dB VS = ±18 V, TA = –40°C to +105°C INPUT IMPEDANCE Differential 100 || 6 M Ω || pF Common-mode 6 || 9.5 1012 Ω || pF OPEN-LOOP GAIN (V–) + 500 mV < VO < (V+) – 500 mV, 130 136 dB RL = 10 kΩ AOL Open-loop voltage gain (V–) + 500 mV < VO < (V+) – 500 mV, 120 126 dB RL = 10 kΩ, TA = –40°C to +105°C FREQUENCY RESPONSE GBW Gain-bandwidth product 2 MHz SR Slew rate G = +1 0.8 V/ μs Settling time, 0.1% VS = ±18 V, G = 1, 10-V step 20 μs Settling time, 0.01% VS = ±18 V, G = 1, 10-V step 27 μs Overload recovery time VIN × G = VS 1 μs THD+N Total harmonic distortion + noise 1 kHz, G = 1, VOUT = 1 VRMS 0.0001 % (1) 1000-hour life test at +125°C demonstrated randomly distributed variation in the range of measurement limits—approximately 4 μV. Copyright © 2011–2012, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: OPA2188 |
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