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OPA378AIDBVR Datasheet(PDF) 3 Page - Texas Instruments |
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OPA378AIDBVR Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 24 page  ELECTRICAL CHARACTERISTICS: VS = +2.2V to +5.5V OPA378 OPA2378 www.ti.com ..................................................................................................................................................... SBOS417C – JANUARY 2008 – REVISED JUNE 2009 Boldface limits apply over the specified temperature range, TA = –40°C to +125°C. At TA = +25°C, RL = 10kΩ connected to VS/2, VCM = VS/2, and VOUT = VS/2, unless otherwise noted. OPA378, OPA2378(1) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT OFFSET VOLTAGE Input Offset Voltage VOS VCM = V– 20 50 µV vs Temperature dVOS/dT 0.1 0.25 µV/°C vs Power Supply PSRR VCM = 0V, VS = +2.2V to +5.5V 1.5 5 µV/V over Temperature VCM = 0V, VS = +2.2V to +5.5V 8 µV/V INPUT BIAS CURRENT Input Bias Current IB ±150 ±550 pA over Temperature ±2 nA Input Offset Current IOS ±1.1 nA NOISE Input Voltage Noise en f = 0.1Hz to 10Hz, VS = +5.5V 0.4 µV PP Input Voltage Noise Density en f = 1kHz 20 nV/ √Hz Input Current Noise in f = 10Hz 200 fA/ √Hz INPUT VOLTAGE RANGE Common-Mode Voltage Range VCM (V–) – 0.05 (V+) + 0.05 V Common-Mode Rejection Ratio CMRR (V–) – 0.05V < VCM < (V+) + 0.05V, VS = 5.5V 100 112 dB (V–) – 0.05V < VCM < (V+) + 0.05V, VS = 2.2V 94 106 dB over Temperature (V–) – 0.05V < VCM < (V+) + 0.05V, VS = 5.5V 96 dB (V–) – 0.05V < VCM < (V+) + 0.05V, VS = 2.2V 90 dB INPUT CAPACITANCE Differential CIN 4 pF Common-Mode 5 pF OPEN-LOOP GAIN Open-Loop Voltage Gain AOL 50mV < VO < (V+) – 50mV, RL = 100kΩ 110 134 dB 100mV < VO < (V+) – 100mV, RL = 10kΩ 110 130 dB over Temperature 100mV < VO < (V+) – 100mV, RL = 10kΩ 106 dB FREQUENCY RESPONSE Gain-Bandwidth Product GBW 900 kHz Slew Rate SR G = +1 0.4 V/ µs Settling Time 0.1% tS VS = 5.5V, 2V Step, G = +1 7 µs Settling Time 0.01% tS VS = 5.5V, 2V Step, G = +1 9 µs Overload Recovery Time VIN × Gain > VS 4 µs THD + Noise THD + N VS = 5V, VO = 3VPP, G = +1, f = 1kHz 0.003 % OUTPUT Voltage Output Swing from Rail VO RL = 10kΩ 6 8 mV over Temperature RL = 10kΩ 13 mV Voltage Output Swing from Rail RL = 100kΩ 0.7 2 mV over Temperature RL = 100kΩ 3 mV Short-Circuit Current ISC ±30 mA Capacitive Load Drive CLOAD See Figure 18 pF Open-Loop Output Impedance ZO See Figure 23 Ω (1) Specifications for OPA2378 are preview. Copyright © 2008–2009, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): OPA378 OPA2378 |
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