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OPA348AI Datasheet(PDF) 3 Page - Texas Instruments |
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OPA348AI Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 17 page  OPA348, 2348, 4348 3 SBOS213C www.ti.com OPA348 OPA2348 OPA4348 ELECTRICAL CHARACTERISTICS: VS = 2.5V to 5.5V Boldface limits apply over the specified temperature range, TA = –40°C to +125°C At TA = +25°C, RL = 100kΩ connected to VS / 2 and VOUT = VS / 2, unless otherwise noted. PARAMETER CONDITION MIN TYP MAX UNITS OFFSET VOLTAGE Input Offset Voltage VOS VS = 5V, VCM = (V–) + 0.8V 1 5 mV Over Temperature 6mV Drift dVOS/dT 4 µV/°C vs Power Supply PSRR VS = 2.5V to 5.5V, VCM < (V+) – 1.7V 60 175 µV/V Over Temperature VS = 2.5V to 5.5V, VCM < (V+) – 1.7V 300 µV/V Channel Separation, dc 0.2 µV/V f = 1kHz 134 dB INPUT VOLTAGE RANGE Common-Mode Voltage Range VCM (V–) – 0.2 (V+) + 0.2 V Common-Mode Rejection Ratio CMRR (V–) – 0.2V < VCM < (V+) – 1.7V 70 82 dB over Temperature (V–) < VCM < (V+) – 1.7V 66 dB VS = 5.5V, (V–) – 0.2V < VCM < (V+) + 0.2V 60 71 dB over Temperature VS = 5.5V, (V–) < VCM < (V+) 56 dB INPUT BIAS CURRENT Input Bias Current IB ±0.5 ±10 pA Input Offset Current IOS ±0.5 ±10 pA INPUT IMPEDANCE Differential 1013 || 3 Ω || pF Common-Mode 1013 || 6 Ω || pF NOISE VCM < (V+) – 1.7V Input Voltage Noise, f = 0.1Hz to 10Hz 10 µVp-p Input Voltage Noise Density, f = 1kHz en 35 nV/ √Hz Input Current Noise Density, f = 1kHz in 4fA/ √Hz OPEN-LOOP GAIN Open-Loop Voltage Gain AOL VS = 5V, RL = 100kΩ, 0.025V < VO < 4.975V 94 108 dB over Temperature VS = 5V, RL = 100kΩ, 0.025V < VO < 4.975V 90 dB VS = 5V, RL = 5kΩ, 0.125V < VO < 4.875V 90 98 dB over Temperature VS = 5V, RL = 5kΩ, 0.125V < VO < 4.875V 88 dB OUTPUT Voltage Output Swing from Rail RL = 100kΩ, AOL > 94dB 18 25 mV over Temperature RL = 100kΩ, AOL > 90dB 25 mV RL = 5kΩ, AOL > 90dB 100 125 mV over Temperature RL = 5kΩ, AOL > 88dB 125 mV Short-Circuit Current ISC ±10 mA Capacitive Load Drive CLOAD See Typical Characteristics FREQUENCY RESPONSE CL = 100pF Gain-Bandwidth Product GBW 1 MHz Slew Rate SR G = +1 0.5 V/ µs Settling Time, 0.1% tS VS = 5.5V, 2V Step, G = +1 5 µs 0.01% VS = 5.5V, 2V Step, G = +1 7 µs Overload Recovery Time VIN • Gain > VS 1.6 µs Total Harmonic Distortion + Noise THD+N VS = 5.5V, VO = 3Vp-p, G = +1, f = 1kHz 0.0023 % POWER SUPPLY Specified Voltage Range VS 2.5 5.5 V Minimum Operating Voltage 2.1 to 5.5 V Quiescent Current (per amplifier) IQ IO = 0 45 65 µA over Temperature 75 µA TEMPERATURE RANGE Specified Range –40 125 °C Operating Range –65 150 °C Storage Range –65 150 °C Thermal Resistance θ JA SOT23-5 Surface-Mount 200 °C/W SOT23-8 Surface-Mount 150 °C/W MSOP-8 Surface-Mount 150 °C/W SO-8 Surface-Mount 150 °C/W SO-14 Surface-Mount 100 °C/W TSSOP-14 Surface-Mount 100 °C/W SC70-5 Surface-Mount 250 °C/W |
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