LT1081 LINER [Linear Technology], LT1081 Datasheet
LT1081
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LT1081 Summary of contents
Page 1
... Unlike CMOS, the advanced architecture of the LT1080/LT1081 does not load the signal line when “shut down” or when power is off. Both the receiver and RS232 outputs are put into a high impedance state. An ...
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... V –12V Driver Output ............................................... Indefinite – + Receiver Output ........................................... Indefinite to V Operating Temperature Range LT1080C/LT1081C ................................. LT1080I/LT1081I ................................ – LT1080M/LT1081M .......................... – 125 C + 30V – 30V) Storage Temperature Range ..................– 150 C + 0.3V) CC Lead Temperature (Soldering, 10 sec)................. 300 ...
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... V = 3V, Note 5: Time from either SHUTDOWN high or power on until V ON/OFF – V –6V. All external capacitors are 0.2V for Note 6: Data rate operation guaranteed by slew rate, short-circuit current ON/OFF and propagation delay tests. LT1080/LT1081 MIN TYP MAX Positive 5 7.3 Negative –5 –6.5 1.4 ...
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... LT1080/LT1081 CTIO S (Pin numbers refer to LT1080) + – + – (Pins 6): Requires an external + – capacitor ( 1 F) from – Pin 2 can be used for connecting a second positive supply. When a separate positive supply is used, C1 can be deleted (Pin 3): Positive Supply for RS232 Drivers. ...
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... OUTPUT 5V 0V HIGH RECEIVER 0V OUTPUT –5V LOW –10 ON/OFF 5V INPUT 0V 0 1ms 2ms 3ms LT1080/LT1081 ON/OFF Pin Current vs Voltage –5 –10 100 125 INPUT VOLTAGE (V) 1080/81 G05 Driver Output Leakage in Shutdown 100 ...
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... Some drivers have diodes connected between the outputs and the supplies, so externally applied voltages can cause excessive supply voltage to develop. LT1080/LT1081 Driver OUTPUT CAN BE FORCED EXTERNALLY Older RS232 Drivers and CMOS Drivers ...
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... Operating with 5V and 12V LT1080 LOGIC INPUTS LOGIC ON/OFF * PIN 1 USED ON LT1081. LT1080/LT1081 + – and V ) may be used to EXTERNAL OP AMP LT1080 DRIVER – – – GND 1080/81 F08 5V INPUT – ...
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... LT1080/LT1081 PACKAGE DESCRIPTIO CORNER LEADS OPTION (4 PLCS) 0.023 – 0.045 (0.584 – 1.143) HALF LEAD OPTION 0.045 – 0.068 (1.143 – 1.727) FULL LEAD OPTION 0.300 BSC (0.762 BSC) 0.008 – 0.018 0 – 15 (0.203 – 0.457) NOTE: LEAD DIMENSIONS APPLY TO SOLDER DIP/PLATE ...
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... MIN 0.005 0.125 (0.127) (3.175) MIN MIN 0.100 0.010 (2.540 0.254) LT1080/LT1081 0.770* (19.558) MAX 0.045 – 0.065 (1.143 – 1.651) 0.065 (1.651) TYP ...
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... LT1080/LT1081 PACKAGE DESCRIPTIO 0.291 – 0.299** (7.391 – 7.595) 0.010 – 0.029 (0.254 – 0.737) 0.009 – 0.013 NOTE 1 (0.229 – 0.330) 0.016 – 0.050 (0.406 – 1.270) NOTE: 1. PIN 1 IDENT, NOTCH ON TOP AND CAVITIES ON THE BOTTOM OF PACKAGES ARE THE MANUFACTURING OPTIONS. ...
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... SEE NOTE 0.093 – 0.104 45 (2.362 – 2.642) 0 – 8 TYP 0.050 (1.270) TYP 0.014 – 0.019 (0.356 – 0.482) TYP LT1080/LT1081 0.447 – 0.463* (11.354 – 11.760 0.394 – 0.419 (10.007 – 10.643 0.037 – 0.045 (0.940 – ...
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... LT1080/LT1081 U TYPICAL APPLICATIO SHUTDOWN 18 ON/OFF TTL INPUT TTL INPUT TTL OUTPUT TTL OUTPUT – – C2 *IN APPLICATIONS WHERE A SEPARATE SECOND POSITIVE SUPPLY IS AVAILABLE (SUCH AS 5V AND 12V), THE 12V SUPPLY MAY BE CONNECTED TO PIN 2 AND C1 DELETED. THE POWER SUPPLY CIRCUITRY WILL THEN INVERT THE 12V SUPPLY. ...