LTC1482CMS8#TRPBF Linear Technology, LTC1482CMS8#TRPBF Datasheet
LTC1482CMS8#TRPBF
Specifications of LTC1482CMS8#TRPBF
Available stocks
Related parts for LTC1482CMS8#TRPBF
LTC1482CMS8#TRPBF Summary of contents
Page 1
... Maximum Data Rate of 4Mbps Power Up/Down Glitch-Free Driver Outputs Transceivers on the Bus Available in 8-Lead MSOP, PDIP and SO Packages U APPLICATIO S Battery-Powered RS485/RS422 Applications Low Power RS485/RS422 Transceiver Level Translator , LTC and LT are registered trademarks of Linear Technology Corporation. U TYPICAL APPLICATIO RS485 Interface LTC1482 RO1 V CC1 B1 ...
Page 2
LTC1482 ABSOLUTE MAXIMUM (Note 1) Supply Voltage (V )............................................... 6.5V CC Control Input Voltages ................. – 0. Carrier Detect Voltage ................................. – 0. Driver Input Voltage ..................... – 0. Driver Output ...
Page 3
ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T SYMBOL PARAMETER V Differential Input Threshold Voltage for THCD V Receiver Input Hysteresis Output High Voltage OH RO Output High Voltage V RO and CD ...
Page 4
LTC1482 U SWITCHING CHARACTERISTICS temperature range, otherwise specifications are at T SYMBOL PARAMETER t Receiver Input to CD Output High at Shutdown CDH(SHDN) t Receiver Input to CD Output Low from Shutdown CDL(SHDN) t Receiver Enable from Shutdown to Output ...
Page 5
W U TYPICAL PERFOR A CE CHARACTERISTICS Receiver Input Offset Voltage vs Temperature –20 –40 –60 – 12V CM –100 –120 –140 V = –7V CM –160 –180 –200 ...
Page 6
LTC1482 W U TYPICAL PERFOR A CE CHARACTERISTICS Receiver Output High Voltage vs Temperature 4 4.75V CC 4 8mA 4.4 4.2 4.0 3.8 3.6 3.4 3.2 3.0 –55 –35 – 105 ...
Page 7
W U TYPICAL PERFOR A CE CHARACTERISTICS Driver Differential Output Voltage vs Temperature 3 2.5 2 5.25V 1 4.75V 4.5V 1.0 CC 0.5 V ...
Page 8
LTC1482 W U TYPICAL PERFOR A CE CHARACTERISTICS Driver Output High Voltage vs Output Current 5 4.75V CC 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 –100 –90 –80 –70 –60 –50 –40 –30 –20 –10 ...
Page 9
PIN FUNCTIONS ( DI/SHDN = disable the driver while keeping the receiver alive ( DI/SHDN = 1). When the driver is enabled (DE = 1), DI/SHDN = 0 forces the ...
Page 10
LTC1482 U W SWITCHI WAVEFOR S 3V DI/SHDN 1. PLH t DSKEW V O 90% 10% 50% – 1/2 V SKEW O NOTE ...
Page 11
U W SWITCHI WAVEFOR S V OD2 A – – V OD2 NOTE: 1k PULL- 1. OD2 A – ...
Page 12
LTC1482 U U APPLICATIONS INFORMATION Carrier Detect Operation The carrier detect or CD pin is an open-drain output with a weak internal pull-up (30 A typical). This allows several LTC1482s to share the same carrier detect line. The internal pull-up ...
Page 13
U U APPLICATIONS INFORMATION The supply current does not drop below 20 A immedi- ately. DE and DI/SHDN must be low for a least 600ns simultaneously for I to drop to half its operating value CC (driver outputs unloaded) and ...
Page 14
LTC1482 PACKAGE DESCRIPTION 0.007 0 – 6 TYP (0.18) 0.021 0.006 (0.53 0.015) * DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS. MOLD FLASH, PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE ** DIMENSION DOES ...
Page 15
... FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...
Page 16
... Highest Input Impedance, Low EMI, Lowest Power 2500V Propagation Delay Skew 500ps (Typ) Low Power, 15kV ESD Protection “A” “B” 1482 TA02 Isolation RMS 15kV ESD Protection, Industry Standard Pinout 1482f LT/TP 0400 4K • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 1998 ...