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OPA548 Datasheet(PDF) 3 Page - Texas Instruments |
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OPA548 Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 36 page  www.ti.com ELECTRICAL CHARACTERISTICS: VS = ±50V OPA454 SBOS391 – DECEMBER 2007 Boldface limits apply over the specified temperature range, TA = –40°C to +85°C. At TP (1) = +25 °C, R L = 4.8kΩ to mid-supply, VCM = VOUT = mid-supply, unless otherwise noted. OPA454 PARAMETER CONDITIONS MIN TYP MAX UNIT OFFSET VOLTAGE Input Offset Voltage VOS IO = 0 ±0.2 ±4 mV vs Temperature(2) dVOS/dT ±1.6 ±10 µV/°C vs Power Supply PSRR VS = ±4V to ±60V, VCM = 0V 25 100 µV/V INPUT BIAS CURRENT Input Bias Current IB ±1.4 ±100 pA vs Temperature See Typical Characteristics Input Offset Current IOS ±0.2 ±100 pA NOISE Input Voltage Noise Density, f = 10Hz en 300 nV/ √Hz Input Voltage Noise Density, f = 10kHz 35 nV/ √Hz f = 0.01Hz to 10Hz 15 µV PP Current Noise Density, f = 1kHz in 40 fA/ √Hz INPUT VOLTAGE RANGE Common-Mode Voltage Range VCM Linear Operation (V–) + 2.5 See Note (3) (V+) – 2.5 V Common-Mode Rejection CMRR VS = ±50V, –25V ≤ VCM ≤ +25V 100 146 dB VS = ±50V, –45V ≤ VCM ≤ +45V 100 147 dB Over Temperature VS = ±50V, –25V ≤ VCM ≤ +25V 80 88 dB Over Temperature VS = ±50V, –45V ≤ VCM ≤ +45V 72 82 dB INPUT IMPEDANCE Differential Ω || pF 1013 || 10 Common-Mode Ω || pF 1013 || 9 OPEN-LOOP GAIN Open-Loop Voltage Gain(4) AOL (V–) + 1V < VO < (V+) – 1V, 100 130 dB RL = 49kΩ, IO = ±1mA (V–) + 1V < VO < (V+) – 1V, 112 dB RL = 49kΩ, IO = ±1mA (V–) + 1V < VO < (V+) – 2V, 100 115 dB RL = 4.8kΩ, IO = ±10mA (V–) + 1V < VO < (V+) – 2V, 106 dB RL = 4.8kΩ, IO = ±10mA (V–) + 2V < VO < (V+) – 3V, 80 102 dB RL = 1880Ω, IO = ±25mA (V–) + 2V < VO < (V+) – 3V, 84 dB RL = 1880Ω, IO = ±25mA (1) TP is the temperature of the leadframe die pad (exposed thermal pad) of the PowerPAD package. (2) See typical characteristic curve, Offset Voltage Drift Production Distribution (Figure 14). (3) Typical range is (V–) + 1.5V to (V+) – 1.5V. (4) Measured using low-frequency (<10Hz) ±49V square wave. See typical characteristic curve, Current Limit vs Temperature (Figure 24). Copyright © 2007, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): OPA454 |
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