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ISO1540 Datasheet(PDF) 2 Page - Texas Instruments |
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ISO1540 Datasheet(HTML) 2 Page - Texas Instruments |
2 / 21 page ISO1540 ISO1541 SLLSEB6A – JULY 2012 – REVISED OCTOBER 2012 www.ti.com These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. PIN FUNCTIONS ISO1540 and I / O DESCRIPTION ISO1541 NAME PIN ISO1540 ISO1541 ISO1540 ISO1541 VCC1 1 - - Supply Voltage, Side 1 Supply Voltage, Side 1 SDA1 2 I / O I / O Serial Data, Side 1 Input/Output Serial Data, Side 1 Input/Output SCL1 3 I / O I Serial Clock Input/Output, Side 1 Serial Clock Input, Side 1 GND1 4 - - Ground, Side 1 Ground, Side 1 GND2 5 - - Ground, Side 2 Ground, Side 2 SCL2 6 I / O O Serial Clock Input/Output, Side 2 Serial Clock Output, Side 2 SDA2 7 I / O I / O Serial Data Input/Output, Side 2 Serial Data Input/Output, Side 2 VCC2 8 - - Supply Voltage, Side 2 Supply Voltage, Side 2 AVAILABLE OPTIONS PRODUCT RATED ISOLATION PACKAGE CHANNEL DIRECTION MARKED AS ORDERING NUMBER ISO1540D (rail) Both SDA and SCL ISO1540 IS1540 are Bidirectional ISO1540DR (reel) 4000-VPK and D-8 2500-VRMS (1) ISO1541D (rail) SDA is Bidirectional ISO1541 IS1541 SCL is Unidirectional ISO1541DR (reel) (1) See the Regulatory Information table for detailed Isolation specifications. Table 1. FUNCTION TABLE(1) POWER STATE INPUT OUTPUT VCC1 or VCC2 < 2.1 V X Z VCC1 and VCC2 > 2.8 V L L VCC1 and VCC2 > 2.8 V H Z VCC1 and VCC2 > 2.8 V Z(2) ? (1) H = High Level; L = Low Level; Z = High Impedance or Float; X = Irrelevant; ? = Indeterminate (2) Invalid input condition as an I2C system requires that a pull-up resistor to VCC is connected. 2 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated Product Folder Links: ISO1540 ISO1541 |
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