LM322N National Semiconductor, LM322N Datasheet
LM322N
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LM322N Summary of contents
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... Timing period can be voltage controlled Y TTL compatible input and output Y Dual-In-Line Package TL H 7768 – 7 See NS Package Number N08E Top View Order Number LM322N See NS Package Number N14A February 1995 pin options are not avail- ADJ Dual-In-Line Package TL H 7768 – 8 ...
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... Absolute Maximum Ratings If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Power Dissipation a V Voltage Collector Output Voltage V Current REF Trigger Voltage V Voltage (Forced) ADJ Electrical Characteristics Parameter Conditions Timing Ratio ...
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Typical Performance Characteristics Comparator Bias Current Supply Current Output Transistor Saturation Characteristics at Low Currents Reference Regulation Short Output Pulse (LM122 LM322) Comparator Bias Current Comparator Bias Current (LM122 LM322) Trigger Input Characteristics Trigger Threshold Collector Output Saturation Timing Error ...
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Schematic Diagram 4 ...
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Functional Diagram Timing Diagram Pin Function Description One of the main features of the LM122 is its great versatility Since this device is unique a description of the functions and limitations of each pin is in order This will make ...
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Pin Function Description (Continued) trollers Typical temperature drift of the reference is less than 0 01% C The trigger terminal is used to start a timing cycle (see functional diagram) Initially Q1 is saturated C charged and the latching buffer ...
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Pin Function Description (Continued) for instance cannot be held for more than 4 seconds These levels are based maximum initial chip tem- perature When driving inductive loads always use a clamp diode to protect the transistor from ...
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Typical Applications (Continued) FIGURE 4 Time Out on Power Up (Relay Energized Until R C Seconds After V is Applied FIGURE 5 5V Logic Supply Driving 28V Relay 30V Supply Interfacing with 5V Logic Figure 6 indicates ...
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Typical Applications (Continued) The average charging current through R is about some attention must be paid to parts layout to prevent stray leakage paths The suggested timing capacitor has a typical self time constant of 300 ...
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Typical Applications (Continued) In this application the logic terminal is normally held high by R3 When a trigger pulse is received Q1 is turned on driv- ing the logic terminal to ground The result of triggering the timer and reversing ...
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Application Hints (Continued) Timer Protected Against Damage for up to 50V FIGURE 15 Comparator with Threshold Eliminating Timing Cycle Upon Initial Application of Power The LM122 will normally start a timing cycle (with no trigger input) when ...
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Application Hints (Continued) Triggering with Negative Edge Although the LM122 is triggered by a positive going trigger signal a differentiator tied to a normally ‘‘high’’ trigger will result in negative edge triggering In Figure 19 R1 serves the dual purpose ...
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... Physical Dimensions inches (millimeters) Metal Can Package (H) Order Number LM122H NS Package Number H10C Dual-In-Line Package (N) Order Number LM322N NS Package Number N14A 13 ...
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... Hong Kong Ltd 49) 0-180-530 85 86 13th Floor Straight Block a Ocean Centre 5 Canton Rd 49) 0-180-530 85 85 Tsimshatsui Kowloon a Tel ( 49) 0-180-532 78 32 Hong Kong a 49) 0-180-532 93 58 Tel (852) 2737-1600 a Tel ( 49) 0-180-534 16 80 Fax (852) 2736-9960 a National Semiconductor Japan Ltd Tel 81-043-299-2309 Fax 81-043-299-2408 ...