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OPA277U Datasheet(PDF) 3 Page - Texas Instruments |
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OPA277U Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 26 page  OPA277, OPA2277, OPA4277 3 SBOS079A www.ti.com ELECTRICAL CHARACTERISTICS: VS = ±5V to VS = ±15V At TA = +25°C, and RL = 2kΩ, unless otherwise noted. Boldface limits apply over the specified temperature range, –40 °C to +85°C. OPA277PA, UA OPA277P, U OPA2277PA, UA OPA277AIDRM, OPA2277P, U OPA4277PA, UA OPA2277AIDRM PARAMETER CONDITION MIN TYP(1) MAX MIN TYP(1) MAX MIN TYP(1) MAX UNITS OFFSET VOLTAGE Input Offset Voltage: VOS OPA277P, U (high grade, single) ±10 ±20 µV OPA2277P, U (high grade, dual) ±10 ±25 µV All PA, UA, Versions ±20 ±50 µV AIDRM Versions ±35 ±100 µV Input Offset Voltage Over Temperature OPA277P, U (high grade, single) TA = –40°C to +85°C ±30 µV OPA2277P, U (high grade, dual) TA = –40°C to +85°C ±50 µV All PA, UA, Versions TA = –40°C to +85°C ±100 µV AIDRM Versions TA = –40°C to +85°C ±165 µV Input Offset Voltage Drift dVOS/dT OPA277P, U (high grade, single) TA = –40°C to +85°C ±0.1 ±0.15 µV/°C OPA2277P, U (high grade, dual) TA = –40°C to +85°C ±0.1 ±0.25 µV/°C All PA, UA, AIDRM Versions TA = –40°C to +85°C ±0.15 ±1 ±0.15 ±1 µV/°C Input Offset Voltage: (all models) vs Time 0.2 ✻✻ µV/mo vs Power Supply PSRR VS = ±2V to ±18V ±0.3 ±0.5 ✻ ±1 ✻ ±1 µV/V TA = –40°C to +85°C VS = ±2V to ±18V ±0.5 ±1 ±1 µV/V Channel Separation (dual, quad) dc 0.1 ✻✻ µV/V INPUT BIAS CURRENT Input Bias Current IB ±0.5 ±1 ✻ ±2.8 ±2.8 nA TA = –40°C to +85°C ±2 ±4 ±4nA Input Offset Current IOS ±0.5 ±1 ✻ ±2.8 ±2.8 nA TA = –40°C to +85°C ±2 ±4 ±4nA NOISE Input Voltage Noise, f = 0.1 to 10Hz 0.22 ✻✻ µV PP 0.035 ✻✻ µVrms Input Voltage Noise Density, f = 10Hz en 12 ✻✻ nV/ √Hz f = 100Hz 8 ✻✻ nV/ √Hz f = 1kHz 8 ✻✻ nV/ √Hz f = 10kHz 8 ✻✻ nV/ √Hz Current Noise Density, f = 1kHz in 0.2 ✻✻ pA/ √Hz INPUT VOLTAGE RANGE Common-Mode Voltage Range VCM (V–) +2 (V+) –2 ✻✻ ✻✻ V Common-Mode Rejection CMRR VCM = (V–) +2V to (V+) –2V 130 140 115 ✻ 115 ✻ dB TA = –40°C to +85°C VCM = (V–) +2V to (V+) –2V 128 115 115 dB INPUT IMPEDANCE Differential 100 || 3 ✻✻ M Ω || pF Common-Mode VCM = (V–) +2V to (V+) –2V 250 || 3 ✻✻ G Ω || pF OPEN-LOOP GAIN Open-Loop Voltage Gain AOL VO = (V–)+0.5V to (V+)–1.2V, RL = 10kΩ 140 ✻✻ dB VO = (V–)+1.5V to (V+)–1.5V, RL = 2kΩ 126 134 ✻✻ ✻✻ dB TA = –40°C to +85°CVO = (V–)+1.5V to (V+)–1.5V, RL = 2kΩ 126 ✻✻ dB FREQUENCY RESPONSE Gain-Bandwidth Product GBW 1 ✻✻ MHz Slew Rate SR 0.8 ✻✻ V/ µs Settling Time, 0.1% VS = ±15V, G = 1, 10V Step 14 ✻✻ µs 0.01% VS = ±15V, G = 1, 10V Step 16 ✻✻ µs Overload Recovery Time VIN • G = VS 3 ✻✻ µs Total Harmonic Distortion + Noise THD+N 1kHz, G = 1, VO = 3.5Vrms 0.002 ✻✻ % ✻ Specifications same as OPA277P, U. NOTE: (1) VS = ±15V. |
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