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LM3914 Datasheet(PDF) 2 Page - SYC Electronica |
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LM3914 Datasheet(HTML) 2 Page - SYC Electronica |
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2 / 16 page  Absolute Maximum Ratings If MilitaryAerospace specified devices are required please contact the National Semiconductor Sales OfficeDistributors for availability and specifications Power Dissipation (Note 5) Molded DIP (N) 1365 mW Supply Voltage 25V Voltage on Output Drivers 25V Input Signal Overvoltage (Note 3) g 35V Divider Voltage b 100 mV to Va Reference Load Current 10 mA Storage Temperature Range b 55 Cto a150 C Soldering Information Dual-In-Line Package Soldering (10 seconds) 260 C Plastic Chip Carrier Package Vapor Phase (60 seconds) 215 C Infrared (15 seconds) 220 C See AN-450 ‘‘Surface Mounting Methods and Their Effect on Product Reliability’’ for other methods of soldering sur- face mount devices Electrical Characteristics (Notes 1 and 3) Parameter Conditions (Note 1) Min Typ Max Units COMPARATOR Offset Voltage Buffer and First 0V s VRLO e VRHI s 12V 310 mV Comparator ILED e 1mA Offset Voltage Buffer and Any Other 0V s VRLO e VRHI s 12V 315 mV Comparator ILED e 1mA Gain (DILED DVIN)IL(REF) e 2 mA ILED e 10 mA 3 8 mAmV Input Bias Current (at Pin 5) 0V s VIN s Va b 15V 25 100 nA Input Signal Overvoltage No Change in Display b 35 35 V VOLTAGE-DIVIDER Divider Resistance Total Pin 6 to 4 8 12 17 kX Accuracy (Note 2) 05 2 % VOLTAGE REFERENCE Output Voltage 01 mA s IL(REF) s 4 mA 12 128 134 V Va e VLED e 5V Line Regulation 3V s Va s 18V 001 003 %V Load Regulation 01 mA s IL(REF) s 4 mA 04 2 % Va e VLED e 5V Output Voltage Change with 0 C s TA s a70 C IL(REF) e 1 mA 1% Temperature Va e 5V Adjust Pin Current 75 120 m A OUTPUT DRIVERS LED Current Va e VLED e 5V IL(REF) e 1 mA 7 10 13 mA LED Current Difference (Between VLED e 5V ILED e 2 mA 012 04 mA Largest and Smallest LED Currents) ILED e 20 mA 12 3 LED Current Regulation 2V s VLED s 17V ILED e 2 mA 01 025 mA ILED e 20 mA 1 3 Dropout Voltage ILED(ON) e 20 mA VLED e 5V 15 V D ILED e 2mA Saturation Voltage ILED e 20 mA IL(REF) e 04 mA 015 04 V Output Leakage Each Collector (Bar Mode) (Note 4) 01 10 m A 2 www.sycelectronica.com.ar |
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