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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LTC4258 датащи(PDF) 2 Page - Linear Technology |
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LTC4258 датащи(HTML) 2 Page - Linear Technology |
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2 / 28 page  LTC4258 2 4258p Supply Voltages VDD to DGND .......................................... – 0.3V to 5V VEE to AGND ......................................... 0.3V to – 70V DGND to AGND (Note 2) .................................... ±1V Digital Pins SCL, SDAIN, SDAOUT, INT, AUTO, RESET SHDN n, ADn ................. DGND – 0.3V to DGND + 5V Analog Pins GATE n (Note 3) ................... VEE – 0.3V to VEE + 12V DETECT n ...................... DGND –20V to DGND +0.3V SENSE n ................................. VEE – 0.3V to VEE + 1V OUT n .................................... VEE – 70V to VEE + 70V OSCIN .......................... DGND – 0.3V to DGND + 5V BYP Current ................................................. ±0.1mA Operating Ambient Temperature Range ...... 0 °C to 70°C Junction Temperature (Note 5) ............................ 150 °C Storage Temperature Range ................ – 65 °C to 150°C Lead Temperature (Soldering, 10 sec)................. 300 °C ORDER PART NUMBER TJMAX = 150°C, θJA = 80°C/W LTC4258CGW (Note 1) ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO Consult LTC Marketing for parts specified with wider operating temperature ranges. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 TOP VIEW GW PACKAGE 36-LEAD PLASTIC SSOP 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 RESET BYP INT SCL SDAOUT SDAIN AD3 AD2 AD1 AD0 DETECT1 DETECT2 DETECT3 DETECT4 DGND VDD SHDN1 SHDN2 NC AUTO OUT1 GATE1 SENSE1 OUT2 GATE2 SENSE2 VEE OUT3 GATE3 SENSE3 OUT4 GATE4 SENSE4 AGND SHDN4 SHDN3 ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. AGND = DGND = 0V, VDD = 3.3V, VEE = –48V unless otherwise noted (Note 5). SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Power Supplies VDD VDD Supply Voltage q 3 3.3 4 V VEE VEE Supply Voltage To Maintain IEEE Compliant Output (Note 6) q –48 –57 V IDD VDD Supply Current q 2.5 5 mA IEE VEE Supply Current Normal Operation q –2 –5 mA During Classification Into Short (VDETECTn = 0V) q 85 mA VDDMIN VDD UVLO Voltage 2.7 V VEEMINON VEE UVLO Voltage (Turning On) VEE – AGND –31 V VEEMINOFF VEE UVLO Voltage (Turning Off) VEE – AGND –28 V Detection IDET Detection Current First Point, VDETECTn = –10V q 235 300 µA Second Point, VDETECTn = –3.5V q 145 190 µA VDET Detection Voltage Compliance Open Circuit, Measured at DETECT n Pin q –20 –23 V RDETMIN Minimum Valid Signature Resistance q 15.2 17 19 k Ω RDETMAX Maximum Valid Signature Resistance q 26.7 29 33 k Ω Classification VCLASS Classification Voltage 0mA < ICLASS < 31mA q –16.4 –21 V ICLASS Classification Current Compliance Into Short (VDETECT = 0V) q 55 75 mA |
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