LT1039A Linear Technology, LT1039A Datasheet
LT1039A
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LT1039A Summary of contents
Page 1
... A bias pin allows one receiver to be kept on while the rest of the part is shut down. The LT1039A is also available in the 16-pin version, without shutdown or bias pin functions. For applications requiring operation from a single 5V supply, see the LT1180A/LT1181A and LT1130A data sheets ...
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... V OUT 2 U RATINGS Short-Circuit Duration ..................................... Indefinite Operating Temperature Range LT1039AC................................................ – to 25V LT1039AI ........................................... – LT1039AM ....................................... – 125 C Storage Temperature Range ................. – 150 C – 30V to V – 30V Lead Temperature (Soldering, 10 sec).................. 300 ORDER PART ...
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... Note for LT1039AM grade devices. ON/OFF Note 0.4V for – 100 C and V ON/OFF A 100 C T 125 C. Does not apply to LT1039A-16 part TYPICAL PERFORMANCE CHARACTERISTICS Driver Output Short-Circuit Current SINKING 35 ...
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... LT1039A/LT1039A- TYPICAL PERFORMANCE CHARACTERISTICS Supply Current in Shutdown 1000 SUPPLY CURRENT MEASURED + INTO V AND V CC 100 10 1 –55 – 100 125 TEMPERATURE ( C) 1039A G04 ON/OFF Pin Current vs Voltage – 5 – INPUT VOLTAGE (V) Output Waveforms ...
Page 5
... Outputs are fully short-circuit protected to ground or V with power on, off or in the shutdown mode. CC ON/OFF (Pin 17): Controls the operation mode of the LT1039A and is TTL/CMOS compatible. A logic low puts + – and V = 0V) to the device in the shutdown mode which reduces input supply current to zero and places both driver and receiver outputs in a high impedance state ...
Page 6
... Older RS232 Drivers and Other CMOS Drivers + V – V Placing the LT1039A in the shutdown mode (Pin 17 low) puts both the driver and receiver outputs in a high imped- ance state. This allows data line sharing and transceiver applications. Sharing a Transmitter Line LOGIC ...
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... RS232 compatibility. Input Overvoltage Protection 1k RS232 INPUT 30V 5.6k 30V The receiver input impedance of the LT1039A is nominally 30k . For applications requiring a 5k input impedance, a 5.6k resistor can be connected from the receiver input to ground. 5k Impedance Matching RECEIVER RS232 INPUT 30k 5 ...
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... LT1039A/LT1039A-16 PACKAGE DESCRIPTION CORNER LEADS OPTION (4 PLCS) 0.023 – 0.045 (0.584 – 1.143) HALF LEAD 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) 0.385 0.025 (9.779 0.635) NOTE: LEAD DIMENSIONS APPLY TO SOLDER DIP/PLATE OR TIN PLATE LEADS. ...
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... MIN 0.005 0.125 (0.127) (3.175) MIN MIN 0.100 0.010 (2.540 0.254) LT1039A/LT1039A- 0.065 (1.651) TYP 0.018 0.003 (0.457 0.076) N16 0695 ...
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... LT1039A/LT1039A-16 PACKAGE DESCRIPTION 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) NOTE: 1. PIN 1 IDENT, NOTCH ON TOP AND CAVITIES ON THE BOTTOM OF PACKAGES ARE THE MANUFACTURING OPTIONS. THE PART MAY BE SUPPLIED WITH OR WITHOUT ANY OF THE OPTIONS * DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH SHALL NOT EXCEED 0.006" ...
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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 LT1039A/LT1039A- 0.394 – 0.419 (10.007 – 10.643 0.037 – 0.045 (0.940 – 1.143) 0.004 – 0.012 (0.102 – ...
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... LT1039A/LT1039A-16 U TYPICAL APPLICATION LT1180A (Driver/Receiver with Power Supply) Driving an LT1039A SHUTDOWN 18 ON/OFF LT1180A TTL IN TTL IN TTL OUT TTL OUT 0 – 0 – C2 RELATED PARTS PART NUMBER DESCRIPTION ® LTC 485 Low Power RS485 Transceiver LT1137A 5V 3 Driver/5 Receiver RS232 Transceiver ...