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LTC6241CS8 Datasheet(PDF) 7 Page - Linear Technology |
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LTC6241CS8 Datasheet(HTML) 7 Page - Linear Technology |
7 / 24 page LTC6241/LTC6242 7 62412f Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Note 2: A heat sink may be required to keep the junction temperature below the absolute maximum rating when the output is shorted indefinitely. Note 3: All versions of the LTC6241/LTC6242 are guaranteed functional over the temperature range of –40°C and 85°C. Note 4: The LTC6241C/LTC6241HVC, LTC6242C/LTC6242HVC are guaranteed to meet specified performance from 0°C to 70°C. They 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 LTC6241I/LTC6241HVI, LTC6242I/LTC6242HVI are guaranteed to meet specified performance from –40°C to 85°C. Note 5: ESD (Electrostatic Discharge) sensitive device. ESD protection devices are used extensively internal to the LTC6241/LTC6242; however, high electrostatic discharge can damage or degrade the device. Use proper ESD handling precautions. Note 6: Matching parameters are the difference between the two amplifiers A and D and between B and C of the LTC6242; between the two amplifiers of the LTC6241. CMRR and PSRR match are defined as follows: CMRR and PSRR are measured in µV/V on the matched amplifiers. The difference (LTC6241HV/LTC6242HV) The ● denotes the specifications which apply over the specified temperature range, otherwise specifications are at TA = 25°C. VS = ±5V, 0V, VCM = 0V unless otherwise noted. ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS PSRR Power Supply Rejection VS = 2.8V to 11V, VCM = 0.2V ● 85 110 dB PSRR Match Channel-to-Channel (Note 6) ● 82 106 dB Minimum Supply Voltage (Note 11) ● 2.8 V ISC Short-Circuit Current ● 15 35 mA IS Supply Current per Amplifier 0°C to 70°C –40°C to 85°C ● ● 2.5 3.2 3.3 3.7 mA mA mA GBW Gain Bandwidth Product Frequency = 20kHz, RL = 1kΩ ● 13 18 MHz SR Slew Rate (Note 12) AV = –2, RL = 1kΩ ● 5.5 10 V/µs FPBW Full Power Bandwidth (Note 13) VOUT = 3VP-P, RL = 1kΩ ● 0.58 1.06 MHz ts Settling Time VSTEP = 2V, AV = –1, RL = 1kΩ, 0.1% 900 ns is calculated between the matching sides in µV/V. The result is converted to dB. Note 7: This parameter is not 100% tested. Note 8: This specification is limited by high speed automated test capability. See Typical Characteristics curves for actual typical performance. Note 9: Current noise is calculated from the formula: in = (2qIB) 1/2 where q = 1.6 × 10–19 coulomb. The noise of source resistors up to 50GΩ dominates the contribution of current noise. See also Typical Characteristics curve Noise Current vs Frequency. Note 10: Output voltage swings are measured between the output and power supply rails. Note 11: Minimum supply voltage is guaranteed by the power supply rejection ratio test. Note 12: Slew rate is measured in a gain of –2 with RF = 1k and RG = 500Ω. On the LTC6241/LTC6242, VIN is ±1V and VOUT slew rate is measured between –1V and +1V. On the LTC6241HV/LTC6242HV, VIN is ±2V and VOUT slew rate is measured between –2V and +2V. Note 13: Full-power bandwidth is calculated from the slew rate: FPBW = SR/2πVP. |
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