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LT1969 Fiches technique(PDF) 4 Page - Linear Technology |
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LT1969 Fiches technique(HTML) 4 Page - Linear Technology |
4 / 20 page 4 LT1969 ELECTRICAL CHARACTERISTICS The q denotes specifications which apply over the full operating temp- erature range, otherwise specifications are at TA = 25°C. VS = ±2.5V, VCM = 0V, nominal mode with a 13k resistor from CTRL1 to V– and a 49.9k resistor from CTRL2 to V –, pulse power tested unless otherwise noted. (Note 9) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Note 2: The inputs are protected by back-to-back diodes. If the differential input voltage exceeds 0.7V, the input current should be limited to less than 10mA. Note 3: A heat sink may be required to keep the junction temperature below absolute maximum. Note 4: Thermal resistance varies depending upon the amount of PC board metal attached to the device. θJA is specified for a 2500mm2 test board covered with 2 oz copper on both sides. Note 5: Input offset voltage is exclusive of warm-up drift. Note 6: Slew rate is measured between ±2V on a ±4V output with ±6V supplies, and between ±1V on a ±1.5V output with ±2.5V supplies. Falling slew rate is guaranteed by correlation to rising slew rate. Note 7: Full power bandwidth is calculated from the slew rate: FPBW = SR/2 πVP. Note 8: This parameter is not 100% tested. Note 9: The LT1969C is guaranteed to meet specified performance from 0 °C to 70 °C. The LT1969C is designed, characterized and expected to meet specified performance from –40 °C to 85°C but is not tested or QA sampled at these temperatures. Note 10: The LT1969C is guaranteed functional over the operating temperature range of –40 °C to 85°C. AVOL Large-Signal Voltage Gain VOUT = ±1V, RL = 100Ω 5.0 10 V/mV q 4.5 V/mV VOUT = ±1V, RL = 25Ω 4.5 10 V/mV q 4.0 V/mV VOUT Output Swing RL = 100Ω, 10mV Overdrive 1.50 1.65 ±V q 1.40 ±V RL = 25Ω, 10mV Overdrive 1.35 1.50 ±V q 1.25 ±V IOUT = 200mA, 10mV Overdrive 0.87 1 ±V q 0.80 ±V ISC Short-Circuit Current (Sourcing) (Note 3) 500 mA Short-Circuit Current (Sinking) 400 mA SR Slew Rate AV = –10 (Note 6) 50 100 V/ µs Full Power Bandwidth 1V Peak (Note 7) 16 MHz GBW Gain Bandwidth f = 1MHz 530 MHz tr, tf Rise Time, Fall Time AV = 10, 10% to 90% of 0.1V, RL = 100Ω 7ns Overshoot AV = 10, 0.1V, RL = 100Ω 5% Propagation Delay AV = 10, 50% VIN to 50% VOUT, 0.1V, RL = 100Ω 5ns Harmonic Distortion HD2, AV = 10, 2VP-P, f = 1MHz, RL = 100Ω/25Ω –75/– 64 dBc HD3, AV = 10, 2VP-P, f = 1MHz, RL = 100Ω/25Ω – 80/– 66 dBc IMD Intermodulation Distortion AV = 10, f = 0.9MHz, 1MHz, 5dBm, RL = 100Ω/25Ω – 77/– 85 dBc ROUT Output Resistance AV = 10, f = 1MHz 0.2 Ω Channel Separation VOUT = ±1V, RL = 25Ω 82 92 dB q 80 dB IS Supply Current Per Amplifier 5 6.00 mA q 6.25 mA CTRL1 Voltage 13k to V –, Measured with Respect to V– 0.77 0.95 1.25 V q 0.74 1.30 V CTRL2 Voltage 49.9k to V –, Measured with Respect to V– 0.87 1.03 1.18 V q 0.80 1.25 V Minimum Supply Current per Amplifier; CTRL1, CTRL2 Open 250 650 µA q 750 µA Maximum Supply Current per Amplifier; CTRL1 or CTRL2 Shorted to V – 11.5 mA |
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