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  • ISO7221A: Low Level in Powered Down mode

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    Part Number: ISO7221A Other Parts Discussed in Thread: ISO7721 Hello, i am looking for a digital isolator like the ISO7221A, but with a low level level on the output side when the input side is in power down mode. For a better understanding see theneeded…
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  • ISO7221A-Q1: Isolation Rating(Vrms)

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    Part Number: ISO7221A-Q1 Hi all Would you mind if we ask ISO7221A-Q1? By changing temparature(-40C to 125C), might Isolation Rating(Vrms) change? Our cutomer said "" Kind regards, Hirotaka Matsumoto
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  • RE: ISO7221A Ioff

    I would like to thank kind support ISO7221A is powered and a signal cable from the outside PCB mounted. When the power cable is missing, it is in the state where the signal is applied to the INA and INB of the device. At that time, do you have damage…

  • TMS320F28388D: TMS320F28388D-When using 20Mhz Crystal, SCI Baudrate 921600 does not work.

    TI Thinks Resolved
    Part Number: TMS320F28388D Other Parts Discussed in Thread: ISO7221A Hello everyone I am currently using the TMS320F28388D. I would like to use the speed of SCI at 921600. The main clock currently in use is using 20Mhz. System Clock is 200Mhz…
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  • RE: Digital isolator with fail-safe condition when VCC(Output) is powered down

    Resolved
    So I should be able to use ISO7221A in this way, one side powered off, without having to worry about getting a high signal on the output at that (powered off) side?
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  • RE: ISO7231A: negative-going pulse anomaly

    Resolved
    Hi Daniel, Thanks for reaching out. The referred anomaly applies to only those devices whose datasheet has this mentioned. Hence, only ISO723xA devices have this anomaly and not ISO7221A, ISO7221B or ISO7231C. Thanks. Regards, Koteshwar Rao

  • RE: TMDSCNCD28377D from DRV8301 isolation

    Hi David, I personally don't use isolation for the above 3 parameters in my power circuits. I only use it for RS-232/SPI serial comm. Btw you can refer this design guide: You can check this out though: Regards, Gautam
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  • RE: Msp430f6779: Unsure of connections

    Resolved
    Hello, Please take a look at the TIDM-TWOPHASEMETER-I2040 TI Design. This design features a MSP430I2040 as the analog front-end with a MSP430F6638 as the host MCU. You'll notice that there are isolators, specifically ISO7220A and/or ISO7221A, used…
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  • ISO7241CQDWRQ1 certificates

    Resolved
    Other Parts Discussed in Thread: ISO7221M , ISO7240CF , ISO7221C , ISO7242C , ISO7230M , ISO7221B , AMC1203 , ISO7230C , ISO7240C , ISO7231M , ISO7240M , ISO7221A , ISO7231C , ISO7241M , ISO7241C , ISO7220M , ISO7242M , ISO7220A , ISO7220B , ISO7220C…
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  • SLLA284 - Digital Isolator Design Guide - confusion!

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    Other Parts Discussed in Thread: ISO7221A Hello guys, I'm using the ISO7221A isolators in my design and was reading some application and design notes on the subject. I'm a bit confused with SLLA284 - Digital Isolator Design Guide, in figure 21.…
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