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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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LT1970CFE Fiches technique(PDF) 2 Page - Linear Technology |
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LT1970CFE Fiches technique(HTML) 2 Page - Linear Technology |
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2 / 24 page  2 LT1970 1970fb (Note 1) Supply Voltage (VCC to VEE).................................... 36V Positive High Current Supply (V+) .................. V– to VCC Negative High Current Supply(V–) ................... VEE to V+ Amplifier Output (OUT) ..................................... V– to V+ Current Sense Pins (SENSE+, SENSE–, FILTER) .......................... V– to V+ Logic Outputs (ISRC, ISNK, TSD) ....... COMMON to VCC Input Voltage (–IN, +IN) .......... VEE – 0.3V to VEE + 36V Input Current ....................................................... 10mA Current Control Inputs (VCSRC, VCSNK) ............. COMMON to COMMON + 7V Enable Logic Input .............................. COMMON to VCC COMMON ..................................................... VEE to VCC Output Short-Circuit Duration ......................... Indefinite Operating Temperature Range (Note 2) .. – 40 °C to 85°C Specified Temperature Range (Note 3) ... – 40 °C to 85°C Maximum Junction Temperature ......................... 150 °C Storage Temperature Range ................. – 65 °C to 150°C Lead Temperature (Soldering, 10 sec).................. 300 °C ORDER PART NUMBER LT1970CFE LT1970IFE TJMAX = 150°C, θJA = 40°C/ W (NOTE 8) EXPOSED PAD (PIN 21) IS CONNECTED TO VEE The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C. See Test Circuit for standard test conditions. ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO ELECTRICAL CHARACTERISTICS FE PACKAGE 20-LEAD PLASTIC TSSOP 1 2 3 4 5 6 7 8 9 10 TOP VIEW 20 19 18 17 16 15 14 13 12 11 VEE V– OUT SENSE+ FILTER SENSE– VCC –IN +IN VEE VEE V+ TSD ISNK ISRC ENABLE COMMON VCSRC VCSNK VEE 21 Consult LTC Marketing for parts specified with wider operating temperature ranges. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Power Op Amp Characteristics VOS Input Offset Voltage 200 600 µV 0 °C < TA < 70°C ● 1000 µV –40 °C < TA < 85°C ● 1300 µV Input Offset Voltage Drift (Note 4) ● –10 –4 10 µV/°C IOS Input Offset Current VCM = 0V ● –100 100 nA IB Input Bias Current VCM = 0V ● –600 –160 nA Input Noise Voltage 0.1Hz to 10Hz 3 µVP-P en Input Noise Voltage Density 1kHz 15 nV/ √Hz in Input Noise Current Density 1kHz 3 pA/ √Hz RIN Input Resistance Common Mode 500 k Ω Differential Mode 100 k Ω CIN Input Capacitance Pin 8 and Pin 9 to Ground 6 pF VCM Input Voltage Range Typical –14.5 13.6 V Guaranteed by CMRR Test ● –12.0 12.0 V CMRR Common Mode Rejection Ratio –12V < VCM < 12V ● 92 105 dB PSRR Power Supply Rejection Ratio VEE = V – = –5V, VCC = V+ = 3V to 30V ● 90 100 dB VEE = V– = –5V, VCC = 30V, V+ = 2.5V to 30V ● 110 130 dB VEE = V– = –3V to – 30V, VCC = V+ = 5V ● 90 100 dB VEE = –30V, V – = –2.5V to –30V, VCC = V+ = 5V ● 110 130 dB Order Options Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: http://www.linear.com/leadfree/ |
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