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LT1970 Datasheet(PDF) 3 Page - Linear Technology |
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LT1970 Datasheet(HTML) 3 Page - Linear Technology |
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3 / 12 page  3 LT1970 1970f The q denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C. See Test Circuit for standard test conditions. ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS AVOL Large-Signal Voltage Gain RL = 1k, –12.5V < VOUT < 12.5V 100 150 V/mV q 75 V/mV RL = 100Ω, –12.5V < VOUT < 12.5V 80 120 V/mV q 40 V/mV RL = 10Ω, –5V < VOUT < 5V, V+ = – V– = 8V 20 60 V/mV q 5V/mV VOL Output Sat Voltage Low VOL = VOUT – V– RL = 100, VCC = V+ = 15V, VEE = V– = –15V q 1.9 2.4 V RL = 10, VCC = – VEE = 15V, V+ = –V– = 5V 0.8 V VOH Output Sat Voltage High VOH = V+ – VOUT RL = 100, VCC = V+ = 15V, VEE = V– = –15V q 1.7 2.2 V RL = 10, VCC = – VEE = 15V, V+ = –V– = 5V 1.0 V ISC Output Short-Circuit Current Output Low, RSENSE = 0Ω 500 800 1200 mA Output High, RSENSE = 0Ω –1000 – 800 – 500 mA SR Slew Rate –10V < VOUT < 10V, RL = 1k 0.7 1.6 V/ µs FPBW Full Power Bandwidth VOUT = 10VPEAK (Note 5) 11 kHz GBW Gain Bandwidth Product f = 10kHz 3.6 MHz tS Settling Time 0.01%, VOUT = 0V to 10V, AV = –1, RL = 1k 8 µs Current Sense Characteristics VSENSE(MIN) Minimum Current Sense Voltage VCSRC = VCSNK = 0V 0.1 4 7 mV q 0.1 10 mV VSENSE(4%) Current Sense Voltage 4% of Full Scale VCSRC = VCSNK = 0.2V q 15 20 25 mV VSENSE(10%) Current Sense Voltage 10% of Full Scale VCSRC = VCSNK = 0.5V q 45 50 55 mV VSENSE(FS) Current Sense Voltage 100% of Full Scale VCSRC = VCSNK = 5V 490 500 510 mV q 480 500 520 mV IBI Current Limit Control Input Bias Current VCSRC, VCSNK Pins q –1 –0.2 0.1 µA ISENSE– SENSE– Input Current 0V < (VCSRC, VCSNK) < 5V q – 200 200 nA IFILTER FILTER Input Current 0V < (VCSRC, VCSNK) < 5V q – 200 200 nA ISENSE+ SENSE+ Input Current VCSRC= VCSNK = 0V q –500 500 nA VCSRC = 5V, VCSNK = 0V q 200 250 300 µA VCSRC= 0V, VCSNK = 5V q –300 –250 –200 µA VCSRC = VCSNK = 5V q –25 25 µA Current Sense Change with Output Voltage VCSRC = VCSNK = 5V, –12.5V < VOUT < 12.5V q – 0.1 0.1 % Current Sense Change with Supply Voltage VCSRC = VCSNK = 5V, 6V < (VCC, V+) < 18V ±0.05 % 2.5V < V+ < 18V, VCC = 18V ±0.01 % –18V < (VEE, V–) < –2.5V ±0.05 % –18V < V– < –2.5V, VEE = –18V ±0.01 % Current Sense Bandwidth 2 MHz RCSF Resistance FILTER to SENSE– q 750 1000 1250 Ω Logic I/O Characteristics Logic Output Leakage ISRC, ISNK, TSD V = 15V q 1 µA Logic Low Output Level I = 5mA q 0.2 0.4 V Logic Output Current Limit q 25 mA VENABLE Enable Logic Threshold q 0.8 1.6 2.4 V IENABLE Enable Pin Bias Current q –1 1 µA |
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