ISO7242CDWR

The ISO7240x, ISO7241x, and ISO7242x devices are
quad-channel digital isolators with multiple channel
configurations and output-enable functions. These
devices have logic-input and logic-output buffers
separated by Texas Instrument’s silicon-dioxide
(SiO2
) isolation barrier. Used in conjunction with
isolated power supplies, these devices help block
high voltage, isolate grounds, and prevent noise
currents from entering the local ground and interfering
with or damaging sensitive circuitry.
The ISO7240x family of devices has all four channels
in the same direction. The ISO7241x family of
devices has three channels in the same direction and
one channel in the opposition direction. The
ISO7242x family of devices has two channels in each
direction.

Category: Isolators

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SPECIFICATION

• 25 and 150-Mbps Signaling Rate Options
– Low Channel-to-Channel Output Skew;
1 ns Maximum
– Low Pulse-Width Distortion (PWD);
2 ns Maximum
– Low Jitter Content; 1 ns Typ at 150 Mbps
• Selectable Default Output (ISO7240CF)
• > 25-Year Life at Rated Working Voltage
(see High-Voltage Lifetime of the ISO72x Family
of Digital Isolators and Isolation Capacitor Lifetime
Projection)
• 4-kV ESD Protection
• Operates With 3.3-V or 5-V Supplies
• High Electromagnetic Immunity
(see ISO72x Digital Isolator Magnetic-Field
Immunity)
• –40°C to +125°C Operating Temperature Range
• Safety-Related Certifications:
– VDE 4000 VPK Basic Insulation per DIN V VDE
V 0884-10 (VDE V 0884-10):2006-12
– 2.5 kVRMS Insulation for 1 minute per UL 1577
– CSA Component Acceptance Notice #5A and
IEC 60950-1 End Equipment Standard