iC-DL 3-Channel Differential Line Driver - iC-Haus - #1

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iC-DL 3-CHANNEL DIFFERENTIAL LINE DRIVER Rev B1, Page 1/9 FEATURES © 6 current-limited and short-circuit-proof push-pull drivers © Differential 3-channel operation selectable © Integrated impedance adaption for 30 to 140 lines © Wide power supply range from 4 to 40 V © 200mA output current (at VB = 24 V) © Low output saturation voltage (< 0.4 V at 30 mA) © Compatible with TIA/EIA standard RS-422 © Tristate switching of outputs enables use in buses © Short switching times and high slew rates © Low static power dissipation © Schmitt trigger inputs with pull-down resistors, TTL and CMOS compatible; voltage-proof up to 40 V © Thermal shutdown with hysteresis © Error message trigger input TNER © Open-drain error output NER, active low with excessive chip temperature and undervoltage at VCC or VB © Option: Extended temperature range from -40 to 125 °C APPLICATIONS © Line drivers for 24 V control engineering © Linear scales and encoders © MR sensor systems PACKAGES QFN28 5 x 5 mm² BLOCK DIAGRAM VCC NER VB1 VB2 VB3 A1 vert. 8V/div. hor. 2ìs/div A2 A3 A4 A5 A6 GND1 0 0 DIFF E6 E5 E4 E3 E2 E1 ENA TNER GND2 GND3 GND4 ERROR DETECTION MODE UNDERVOLTAGE & OVERTEMPERATURE 1 1 0 1 iC-DL LINE 100 m PLC & 1 Copyright © 2009 iC-Haus http://www.ichaus.com