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LT1819 Datasheet(PDF) 6 Page - Linear Technology |
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LT1819 Datasheet(HTML) 6 Page - Linear Technology |
6 / 18 page LT1818/LT1819 6 18189fb TYPICAL PERFORMANCE CHARACTERISTICS Supply Current vs Temperature Input Common Mode Range vs Supply Current Input Bias Current vs Common Mode Voltage Input Bias Current vs Temperature Input Noise Spectral Density Open-Loop Gain vs Resistive Load ELECTRICAL CHARACTERISTICS Note 5: With ±5V supplies, slew rate is tested in a closed-loop gain of –1 by measuring the rise time of the output from –2V to 2V with an output step from –3V to 3V. With single 5V supplies, slew rate is tested in a closed-loop gain of –1 by measuring the rise time of the output from 1.5V to 3.5V with an output step from 1V to 4V. Falling edge slew rate is not production tested, but is designed, characterized and expected to be within 10% of the rising edge slew rate. Note 6: Full-power bandwidth is calculated from the slew rate: FPBW = SR/2πVP Note 7: This parameter is not 100% tested. Note 8: The LT1818C/LT1818I and LT1819C/LT1819I are guaranteed functional over the operating temperature range of –40°C to 85°C. Note 9: The LT1818C/LT1819C are guaranteed to meet specified performance from 0°C to 70°C and is designed, characterized and expected to meet the extended temperature limits, but is not tested at –40°C and 85°C. The LT1818I/LT1819I are guaranteed to meet the extended temperature limits. Note 10: Thermal resistance (θJA) varies with the amount of PC board metal connected to the package. The specified values are for short traces connected to the leads. If desired, the thermal resistance can be significantly reduced by connecting the V– pin to a large metal area. TEMPERATURE (°C) –50 –25 0 4 12 10 0 50 75 18189 G01 2 8 6 25 100 125 VS = ±5V VS = ±2.5V PER AMPLIFIER SUPPLY VOLTAGE (±V) 0 V– 1.0 1.5 2.0 V+ –2.0 –1.5 2 4 5 18189 G02 0.5 –1.0 –0.5 1 3 6 7 TA = 25°C VOS < 1mV INPUT COMMON MODE VOLTAGE (V) –5 TA = 25°C VS = ±5V 5 18189 G03 –2.5 0 2.5 2 0 –2 –4 –6 –8 TEMPERATURE (°C) –50 –1.2 –0.8 0 25 75 18189 G04 –1.6 –2.0 –25 0 50 100 125 –2.4 –2.8 –0.4 VS = ±5V VS = ±2.5V VCM = 0V FREQUENCY (Hz) 10 100 1 10 in 100 0.1 1 10 1k 10k 100k 18189 G05 TA = 25°C VS = ±5V AV = 101 RS = 10k en LOAD RESISTANCE (Ω) 100 80 77 74 71 68 65 62 1k 10k 18189 G06 TA = 25°C VS = ±5V VS = ±2.5V |
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