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OPA234PA Datasheet(PDF) 2 Page - Texas Instruments |
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OPA234PA Datasheet(HTML) 2 Page - Texas Instruments |
2 / 22 page OPA234, OPA2234, OPA4234 2 SBOS055B www.ti.com ELECTRICAL CHARACTERISTICS: VS = +5V At TA = 25°C, VS = +5V, RL = 10kΩ connected to VS/2, and VOUT = VS/2, unless otherwise noted. OPA234U, E OPA2234U OPA234UA, EA OPA2234UA OPA4234UA, U PARAMETER CONDITION MIN TYP MAX MIN TYP MAX UNITS OFFSET VOLTAGE Input Offset Voltage VOS VCM = 2.5V ±40 ±100 ✻ ±250 µV OPA234E, EA ±100 ±150 ✻ ±350 µV vs Temperature(1) dVOS/dT Operating Temperature Range ±0.5 ±3 ✻✻ µV/°C vs Power Supply PSRR VS = +2.7V to +30V, VCM = 1.7V 3 10 ✻ 20 µV/V vs Time 0.2 ✻ µV/mo Channel Separation (Dual, Quad) 0.3 ✻ µV/V INPUT BIAS CURRENT Input Bias Current(2) IB VCM = 2.5V –15 –30 ✻ –50 nA Input Offset Current IOS VCM = 2.5V ±1 ±5 ✻✻ nA NOISE f = 1kHz Input Voltage Noise Density vn 25 ✻ nV/ √Hz Current Noise Density in 80 ✻ fA/ √Hz INPUT VOLTAGE RANGE Common-Mode Voltage Range –0.1 (V+) –1 ✻✻ V Common-Mode Rejection CMRR VCM = –0.1V to 4V 91 106 86 ✻ dB INPUT IMPEDANCE Differential 107 || 5 ✻ Ω || pF Common-Mode VCM = 2.5V 1010 || 6 ✻ Ω || pF OPEN-LOOP GAIN VO = 0.25V to 4V Open-Loop Voltage Gain AOL RL = 10kΩ 108 120 100 ✻ dB RL = 2kΩ 86 96 ✻✻ dB FREQUENCY RESPONSE Gain-Bandwidth Product GBW CL = 100pF 0.35 ✻ MHz Slew Rate SR 0.2 ✻ V/ µs Settling Time: 0.1% G = 1, 3V Step, CL = 100pF 15 ✻ µs 0.01% G = 1, 3V Step, CL = 100pF 25 ✻ µs Overload Recovery Time (VIN) (Gain) = VS 16 ✻ µs OUTPUT Voltage Output: Positive RL = 10kΩ to VS/2 (V+) –1 (V+) –0.65 ✻✻ V Negative RL = 10kΩ to VS/2 0.25 0.05 ✻✻ V Positive RL = 10kΩ to Ground (V+) –1 (V+) –0.65 ✻✻ V Negative RL = 10kΩ to Ground 0.1 0.05 ✻✻ V Short-Circuit Current ISC ±11 ✻ mA Capacitive Load Drive (Stable Operation)(3) G = +1 1000 ✻ pF POWER SUPPLY Specified Operating Voltage +5 ✻ V Operating Voltage Range +2.7 +36 ✻✻ V Quiescent Current (per amplifier) IQ IO = 0 250 300 ✻✻ µA TEMPERATURE RANGE Specified Range –40 +85 ✻✻ °C Operating Range –40 +125 ✻✻ °C Storage –55 +125 ✻✻ °C Thermal Resistance θ JA 8-Pin DIP 100 ✻ °C/W SO-8 Surface-Mount 150 ✻ °C/W MSOP-8 Surface-Mount 220 ✻ °C/W 14-Pin DIP 80 ✻ °C/W SO-14 Surface-Mount 110 ✻ °C/W ✻ Specifications same as OPA234U, E. NOTES: (1) Wafer-level tested to 95% confidence level. (2) Positive conventional current flows into the input terminals. (3) See Small-Signal Overshoot vs Load Capacitance typical curve. |
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