Texas Instruments ISO7420M
The ISO7420, ISO7420M and ISO7421 provide galvanic isolation up to 2500 VRMS for 1 minute per UL. These digital isolators have two isolated channels. Each isolation channel has a logic input and output buffer separated by a silicon dioxide (SiO2) insulation barrier.| Part No. | ISO7420M |
|---|---|
| Datasheet | ISO7420M Download |
| Manufacturer |  Texas Instruments |
| Description | Low-Power Dual-Channel Digital Isolators |
| Buy | Stock & Price |
FEATURES
●1 Highest Signaling Rate: 1 Mbps● Low Power Consumption, Typical ICC per Channel (3.3-V operation): – ISO7420: 1.1 mA, ISO7421: 1.5 mA
● Low Propagation Delay – 9 ns Typical
● Low Skew – 300 ps Typical
● Wide TA Range: –40°C to 125°C (M-Grade)
● 50-kV/μs Transient Immunity, Typical
● Over 25-Year Isolation Integrity at Rated Voltage
● Operates From 3.3-V and 5-V Supply and Logic Levels
● 3.3-V and 5-V Level Translation
● Narrow Body SOIC-8 Package
● Safety and Regulatory Approvals: – 4242 VPK Isolation per DIN V VDE V 0884-10 and DIN EN 61010-1 – 2500 VRMS Isolation for 1 minute per UL 1577 – CSA Component Acceptance Notice 5A, IEC 60950-1 and IEC 61010-1 Standards – CQC Certification per GB4943.1-2011 2
APPLICATIONS
● Optocoupler Replacement in: – Industrial Fieldbus – Profibus – Modbus – DeviceNet™ Data Buses – Servo Control Interface – Motor Control – Power Supplies – Battery Packs 3DESCRIPTION
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.
