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ISO7420QDRQ1 Datasheet(PDF) 1 Page - Texas Instruments |
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ISO7420QDRQ1 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 20 page V CC1 OUTA INB GND1 V CC2 INA OUTB GND2 ISO7421A D PACKAGE (TOP VIEW) 1 2 3 4 8 7 6 5 V CC1 INA INB GND1 V CC2 OUTA OUTB GND2 ISO7420 D PACKAGE (TOP VIEW) 1 2 3 4 8 7 6 5 ISO7420-Q1 ISO7421A-Q1 www.ti.com SLLSE14A – MARCH 2012 – REVISED JUNE 2012 LOW-POWER DUAL DIGITAL ISOLATORS 1 FEATURES • Qualified for Automotive Applications • AEC-Q100 Qualified With the Following Results: – Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature Range – Device HBM ESD Classification Level H3A – Device CDM ESD Classification Level C5 • High Signaling Rate: 50 Mbps • Low Power Consumption • Low Propagation Delay – 9 ns (Typ) • Low Skew – 300 ps (Typ) • 4 kVpeak Maximum Isolation, 2.5 kVrms per UL 1577, IEC/VDE and CSA Approved, IEC 60950- 1, IEC 61010-1 End Equipment Standards Approved. All Approvals Pending. • 50 kV/ μs Transient Immunity (Typ) • Over 25-Year Isolation Integrity at Rated Voltage • Operates From 3-V to 5.5-V Supply and Logic Levels DESCRIPTION The ISO7420 and ISO7421A provide galvanic isolation up to 2.5 kVrms for 1 minute per UL. These digital isolators have two isolated channels with bidirectional channel configuration. Each isolation channel has a logic input and output buffer separated by a silicon dioxide (SiO2) insulation barrier. Used in conjunction with isolated power supplies, these devices prevent noise currents on a data bus or other circuit from entering the local ground and interfering with or damaging sensitive circuitry. The devices have TTL input thresholds and require two supply voltages from 3 V to 5.5 V, or any combination. All inputs are 5-V tolerant when supplied from a 3-V supply. ORDERING INFORMATION(1) TA PACKAGE(2) ORDERABLE PART NUMBER TOP-SIDE MARKING ISO7420QDRQ1 PREVIEW –40°C to 125°C SOIC – D Reel of 2500 ISO7421AQDRQ1 7421AQ (1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI web site at www.ti.com. (2) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging. 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Copyright © 2012, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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