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LT1802IS Datasheet(PDF) 8 Page - Linear Technology |
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LT1802IS Datasheet(HTML) 8 Page - Linear Technology |
8 / 20 page 8 LT1801/LT1802 18012fb ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the temperature range of – 40 °C < TA < 85°C. VS = ±5V, VCM = 0V, VOUT = 0V, unless otherwise noted. (Note 5) Note 1: Absolute Maximum Ratings are those values beyond which the life of the device may be impaired. Note 2: The inputs are protected by back-to-back diodes. If the differential input voltage exceeds 1.4V, the input current should be limited to less than 10mA. Note 3: A heat sink may be required to keep the junction temperature below the absolute maximum rating when the output is shorted indefinitely. Note 4: The LT1801C/LT1801I and LT1802C/LT1802I are guaranteed functional over the temperature range of – 40 °C to 85°C. Note 5: The LT1801C/LT1802C are guaranteed to meet specified performance from 0 °C to 70°C. The LT1801C/LT1802C are designed, characterized and expected to meet specified performance from –40 °C to 85°C but are not tested or QA sampled at these temperatures. The LT1801I/LT1802I are guaranteed to meet specified performance from –40 °C to 85°C. Note 6: Minimum supply voltage is guaranteed by power supply rejection ratio test. Note 7: Output voltage swings are measured between the output and power supply rails. Note 8: This parameter is not 100% tested. Note 9: Matching parameters are the difference between amplifiers A and D and between B and C on the LT1802; between the two amplifiers on the LT1801. 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 substantially reduced by connecting Pin 4 of the SO-8 and MS8, Pin 11 of the SO-14 or the underside metal of the DD package to a larger metal area (VS– trace). SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VOS TC Input Offset Voltage Drift (Note 8) ● 1.5 5 µV/°C IB Input Bias Current VCM = VS– + 1V ● 50 400 nA VCM = VS + – 0.2V ● 450 2250 nA Input Bias Current Match VCM = VS – + 1V ● 25 450 nA (Channel-to-Channel) (Note 9) VCM = VS+ – 0.2V ● 25 700 nA IOS Input Offset Current VCM = VS– + 1V ● 25 350 nA VCM = VS+ – 0.2V ● 25 350 nA AVOL Large-Signal Voltage Gain VO = –4V to 4V, RL = 1k ● 12.5 55 V/mV VO = –1V to 1V, RL = 100Ω ● 2 5 V/mV CMRR Common Mode Rejection Ratio VCM = VS– to 3.5V ● 81 104 dB CMRR Match (Channel-to-Channel) (Note 9) VCM = VS– to 3.5V ● 75 104 dB Input Common Mode Range ● VS– VS+ V PSRR Power Supply Rejection Ratio VS+ = 2.5V to 10V, VS– = 0V ● 73 90 dB PSRR Match (Channel-to-Channel) (Note 9) VS+ = 2.5V to 10V, VS– = 0V ● 67 90 dB VOL Output Voltage Swing Low (Note 7) No Load ● 20 100 mV ISINK = 5mA ● 110 275 mV ISINK = 10mA ● 180 400 mV VOH Output Voltage Swing High (Note 7) No Load ● 30 110 mV ISOURCE = 5mA ● 150 350 mV ISOURCE = 10mA ● 300 700 mV ISC Short-Circuit Current ● 12.5 30 mA IS Supply Current per Amplifier ● 2.6 4.5 mA GBW Gain Bandwidth Product Frequency = 2MHz ● 65 MHz SR Slew Rate AV = – 1, RL = 1k, VO = ±4V, ● 15 V/ µs Measured at VO = ±2V |
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