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LOG114 Datasheet(PDF) 3 Page - Burr-Brown (TI) |
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LOG114 Datasheet(HTML) 3 Page - Burr-Brown (TI) |
3 / 18 page OPA380 OPA2380 SBOS291E − NOVEMBER 2003 − REVISED NOVEMBER 2004 www.ti.com 3 ELECTRICAL CHARACTERISTICS: OPA380 (SINGLE), VS = 2.7V to 5.5V Boldface limits apply over the temperature range, TA = −40°C to +125°C. All specifications at TA = +25°C, RL = 2kΩ connected to VS/2, and VOUT = VS/2, unless otherwise noted. OPA380 PARAMETER CONDITION MIN TYP MAX UNITS OFFSET VOLTAGE Input Offset Voltage VOS VS = +5V, VCM = 0V 4 25 µV Drift dVOS/dT 0.03 0.1 µV/°C vs Power Supply PSRR VS = +2.7V to +5.5V, VCM = 0V 2.4 10 µV/V Over Temperature VS = +2.7V to +5.5V, VCM = 0V 10 µV/V Long-Term Stability(1) See Note (1) Channel Separation, dc 1 µV/V INPUT BIAS CURRENT Input Bias Current IB VCM = VS/2 3 ±50 pA Over Temperature Typical Characteristics Input Offset Current IOS VCM = VS/2 6 ±100 pA NOISE Input Voltage Noise, f = 0.1Hz to 10Hz en VS = +5V, VCM = 0V 3 µVPP Input Voltage Noise Density, f = 10kHz en VS = +5V, VCM = 0V 67 nV/ √Hz Input Voltage Noise Density, f > 1MHz en VS = +5V, VCM = 0V 5.8 nV/ √Hz Input Current Noise Density, f = 10kHz in VS = +5V, VCM = 0V 10 fA/ √Hz INPUT VOLTAGE RANGE Common-Mode Voltage Range VCM V− (V+) − 1.8V V Common-Mode Rejection Ratio CMRR (V−) < VCM < (V+) – 1.8V 100 110 dB INPUT IMPEDANCE Differential Capacitance 1.1 pF Common-Mode Resistance and Inverting Input Capacitance 1013 || 3 Ω || pF OPEN-LOOP GAIN Open-Loop Voltage Gain AOL 0.1V < VO < (V+) − 0.7V, VS = 5V, VCM = VS/2 110 130 dB 0.1V < VO < (V+) − 0.6V, VS = 5V, VCM = VS/2, TA = -40°C to +85°C 110 130 dB 0V < VO < (V+) − 0.7V, VS = 5V, VCM = 0V, RP = 2kΩ to −5V(2) 106 120 dB 0V < VO < (V+) − 0.6V, VS = 5V, VCM = 0V, RP = 2kΩ to −5V(2), TA = -40°C to +85°C 106 120 dB FREQUENCY RESPONSE CL = 50pF Gain-Bandwidth Product GBW 90 MHz Slew Rate SR G = +1 80 V/ µs Settling Time, 0.01%(3) tS VS = +5V, 4V Step, G = +1 2 µs Overload Recovery Time(4)(5) VIN • G = > VS 100 ns OUTPUT Voltage Output Swing from Positive Rail RL = 2kΩ 400 600 mV Voltage Output Swing from Negative Rail RL = 2kΩ 60 100 mV Voltage Output Swing from Positive Rail RP = 2kΩ to −5V(2) 400 600 mV Voltage Output Swing from Negative Rail RP = 2kΩ to −5V(2) −20 0 mV Output Current IOUT See Typical Characteristics Short-Circuit Current ISC 150 mA Capacitive Load Drive CLOAD See Typical Characteristics Open-Loop Output Impedance RO f = 1MHz, IO = 0A 40 Ω POWER SUPPLY Specified Voltage Range VS 2.7 5.5 V Quiescent Current IQ IO = 0A 6.5 8.3 mA Over Temperature 8.8 mA TEMPERATURE RANGE Specified and Operating Range −40 +125 °C Storage Range −65 +150 °C Thermal Resistance qJA MSOP-8, SO-8 150 °C/W (1) 300-hour life test at 150°C demonstrated randomly distributed variation approximately equal to measurement repeatability of 1µV. (2) Tested with output connected only to RP, a pulldown resistor connected between VOUT and −5V, as shown in Figure 5. See also applications section, Achieving Output Swing to Ground. (3) Transimpedance frequency of 1MHz. (4) Time required to return to linear operation. (5) From positive rail. |
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