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Details for ISO7140CCDBQ by Texas Instruments
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1KV ISO Data coupler

ISO7140CCDBQ by Texas Instruments

1KV ISO Data coupler
50-kV/u00b5s Transient Immunity, Typical
Default Output Low Option (Suffix F)
Long Life With SiO2 Isolation Barrier
Low Power Consumption, Typical ICC per Channel (With 3.3-V Supplies): u2013 ISO7131: 1.5 mA at 1 Mbps, 2.6 mA at 25 Mbps u2013 ISO7140: 1 mA at 1 Mbps, 2.3 mA at 25 Mbps u2013 ISO7141: 1.3 mA at 1 Mbps, 2.6 mA at 25 Mbps
Low Propagation Delay: 23-ns Typical (3.3-V Supplies)
Maximum Signaling Rate: 50 Mbps (With 5-V Supplies)
Operates from 2.7-V, 3.3-V, and 5-V Supply and Logic Levels
Robust Design With Integrated Noise Filter
Safety and Regulatory Approvals
Small QSOP-16 Package
Wide Temperature Range: u201340u00b0C to 125u00b0C
Part Information
RoHS Compliant
ISO7131, ISO7140, and ISO7141 devices provide galvanic isolation up to 2500 VRMS for 1 minute per UL and 4242 VPK per VDE. ISO7131 has three channels with two forward and one reverse-direction channels. ISO7140 and ISO7141 are quad-channel isolators; ISO7140 has four forward channels, ISO7141 has three forward and one reverse-direction channels. These devices are capable of 50-Mbps maximum data rate with 5-V supplies and 40-Mbps maximum data rate with 3.3-V or 2.7-V supplies, with integrated filters on the inputs for noise-prone applications. The suffix F indicates that default output state is low; otherwise, the default output state is high (see Table 3). Each isolation channel has a logic input and output buffer separated by a silicon dioxide (SiO2) insulation barrier. Used with isolated power supplies, these devices prevent noise currents on a data bus or other circuits from entering the local ground and interfering with or damaging sensitive circuitry. The devices have TTL input thresholds and can operate from 2.7V, 3.3-V, and 5-V supplies. All inputs are 5-V tolerant when supplied from a 2.7-V or 3.3-V supply.
Alternate Descriptions
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