LTC1349 LINER [Linear Technology], LTC1349 Datasheet
LTC1349
Available stocks
Related parts for LTC1349
LTC1349 Summary of contents
Page 1
... All RS232 outputs assume a high impedance state in Shutdown and with the power off. The LTC1349 is fully compliant with all data rate and overvoltage RS232 specifications. The transceiver can operate up to 120k baud with a 2500pF, 3kΩ load. Both driver outputs and receiver inputs can be forced to ± ...
Page 2
... Driver Output .............................................. Indefinite Receiver Output .......................................... Indefinite Operating Temperature Range Commercial (LTC1349C) ........................ 0°C to 70°C Industrial (LTC1349I) ........................ – 40°C to 85°C Storage Temperature Range ................ – 65°C to 150°C Lead Temperature (Soldering, 10 sec)................. 300°C DC ELECTRICAL CHARACTERISTICS temperature range 5V 0.1µF, unless noted. ...
Page 3
... Supply Current vs Data Rate 2500pF DRIVERS ACTIVE 100 100 125 DATA RATE (k BAUD) UNITS µ UNITS V/µs V/µs µs µs µs µs 150 175 LTC1349 • TPC03 1349fa 3 ...
Page 4
... Receiver Output Waveforms RECEIVER OUTPUT C = 2500pF L INPUT LTC1349 • TPC08 + – and V pins may be paral- + – Commutating Capacitor Inputs. These – + – , and another from maintain 60 80 100 LTC1349 • TPC06 LTC1349 • TPC09 – ≅ 2V – CC 1349fa ...
Page 5
... Figure 1. Driver Propagation Delay Timing 1. 0.8V t LHR Figure 2. Receiver Propagation Delay Timing 51pF 3k LTC1349 • TA03 LTC1349 – HLD LTC1349 • F01 HLR LTC1349 • F02 Receiver Timing Test Load RX OUTPUT RX INPUT RX 51pF LTC1349 • TA04 1349fa 5 ...
Page 6
... DRIVER 1 OUT RX1 OUT 6 23 DRIVER 2 IN RX1 DRIVER 2 OUT RX2 OUT 8 21 RX3 OUT RX2 RX3 IN RX4 OUT 10 19 DRIVER 3 IN RX4 RX5 OUT DRIVER 3 OUT 12 17 RX5 IN GND ON/OFF 0.1µF C3 0.1µF LTC1349 • TC 1349fa ...
Page 7
... MIN .035 – .080 .120 (0.889 – 2.032) (3.175) .100 MIN (2.54) BSC LTC1349 9.90 – 10.50* (.390 – .413 7.40 – 8.20 (.291 – .323 2.0 (.079) 0.05 (.002) G28 SSOP 0802 1 ...
Page 8
... LTC1349 PACKAGE DESCRIPTIO .030 ±.005 .050 BSC TYP N .420 MIN RECOMMENDED SOLDER PAD LAYOUT .291 – .299 (7.391 – 7.595) NOTE 4 .010 – .029 × 45° (0.254 – 0.737) .005 (0.127) RAD MIN .009 – .013 NOTE 3 (0.229 – 0.330) .016 – ...