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Interface and Isolation
Interface and Isolation
Documents ADUM3160/4160: Can this device be used for USB-IF standard host isolation
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  • INTERFACE AND ISOLATION SUPPORT COMMUNITY
  • Tags List (Interface & Isolation)
  • +General: FAQ
  • +AD5700: FAQ
  • ADG324x: FAQ
  • +ADM2687: FAQ
  • +ADN4695E: FAQ
  • ADuM1100: FAQ
  • +ADUM1200: FAQ
  • ADuM1201: FAQ
  • +ADuM1230: FAQ
  • +ADuM1250: FAQ
  • ADuM1251: FAQ
  • +ADUM1300: FAQ
  • ADuM1301: FAQ
  • +ADUM1400: FAQ
  • +ADUM1401: FAQ
  • +ADuM1402: FAQ
  • ADuM1420: FAQ
  • +ADuM1440: FAQ
  • ADuM1441: FAQ
  • +ADuM144x: FAQ
  • +ADuM2400: FAQ
  • ADuM2401: FAQ
  • ADuM2402: FAQ
  • +ADUM3070: FAQ
  • +ADuM3160: FAQ
  • +ADuM3190: FAQ
  • ADuM3201: FAQ
  • ADuM3220: FAQ
  • ADuM3221: FAQ
  • ADuM3223: FAQ
  • ADuM3440: FAQ
  • ADuM3470: FAQ
  • ADuM3471: FAQ
  • ADuM3480: FAQ
  • ADuM3482: FAQ
  • +ADuM4160: FAQ
  • +ADuM4190: FAQ
  • +ADuM4223: FAQ
  • ADuM4400: FAQ
  • ADuM4472: FAQ
  • +ADuM5000: FAQ
  • +ADUM5010: FAQ
  • ADuM5201: FAQ
  • ADuM5202: FAQ
  • +ADuM5230: FAQ
  • +ADuM5241: FAQ
  • ADuM5400: FAQ
  • ADuM5401: FAQ
  • ADuM5402: FAQ
  • ADuM5403: FAQ
  • ADuM6000: FAQ
  • ADuM6132: FAQ
  • +ADuM620X: FAQ
  • ADuM6400: FAQ
  • ADuM6401: FAQ
  • ADuM6402: FAQ
  • ADuM7234: FAQ
  • +EVAL-CN0313: FAQ
  • +isoPower: FAQ
  • +MLVDS: FAQ
  • +SPIsolator: FAQ
  • +3B01: FAQ
  • +AC1307: FAQ
  • +AD2S75: FAQ
  • +AD5700-1: FAQ
  • +ADBMS6821: FAQ
  • +ADM202: FAQ
  • +ADM202E: FAQ
  • +ADM206: FAQ
  • +ADM2481: FAQ
  • +ADM2483: FAQ
  • +ADM2484E: FAQ
  • +ADM2486: FAQ
  • +ADM2582E: FAQ
  • +ADM2587E: FAQ
  • +ADM2682E: FAQ
  • +ADM2687E: FAQ
  • +ADM3052: FAQ
  • +ADM3053: FAQ
  • +ADM3054: FAQ
  • +ADM3074E: FAQ
  • +ADM3075E: FAQ
  • +ADM3202: FAQ
  • +ADM3251E: FAQ
  • +ADM3252E: FAQ
  • +ADM3260: FAQ
  • +ADM3483: FAQ
  • +ADM3485E: FAQ
  • +ADM3491: FAQ
  • +ADM483E: FAQ
  • +ADM4852: FAQ
  • +ADM485: FAQ
  • +ADN4650: FAQ
  • +ADN4651: FAQ
  • +ADN4690E: FAQ
  • +ADP5585: FAQ
  • +ADP5588: FAQ
  • +ADP5589: FAQ
  • ADuM for >2kV voltage
  • ADuM1100 glitch filter window vs. very narrow pulses
  • +ADUM1100: Different supply voltage
  • +ADUM1201 suitable to work in CAN Bus?
  • ADuM1250 detect levels scale with the supply
  • ADuM1250 failure in hot-swapping application
  • ADuM1250 Side1 minimum levels
  • ADuM1250: tips to reduce power consumtion in a battery application.
  • ADuM1251 max permitted voltage for IEC 61010 reinforced
  • ADuM1251: Flash testing limits
  • ADuM1251: Vol issues with non standard I2C applications
  • ADuM1301 Output current capability
  • ADuM1301: Default output state on power up
  • ADuM1402: Is there any specified or typical jitter performance?
  • ADuM1402: Can it be modified to same configuration as the I2C isolator ADUM1250 ?
  • AduM1402: Tristate outputs
  • +ADUM1402BRWZ: FAQ
  • ADuM1420: Maximum switching frequency is given as 5Mbps in datasheet, should this be 5MHz?
  • +ADUM2250: FAQ
  • ADuM2400 input current test
  • ADuM2400: 12 V digital signal
  • ADuM2401 driving long cable
  • ADuM2401 output driving 2m cable
  • ADUM2401: Common mode voltage
  • +ADUM241D: FAQ
  • -ADUM3160/4160: Can this device be used for USB-IF standard host isolation
    • ADuM3160 for USB isolation
    • ADuM3160 USB speed and compatibility
    • ADuM3160 with USB2.0 & 3.0
    • ADuM3160_USB OTG
    • ADUM4160/ADUM3160: What is the difference between these 2 USB isolation devices?
  • ADuM3201 solderability
  • +ADUM3210: FAQ
  • +ADUM3211: FAQ
  • +ADUM3220: There is no Junction to Ambient thermal resistance given in datasheet
  • ADuM3223 in H-bridge
  • ADuM3223 vs ADuM3220
  • ADUM3230 at low frequency
  • ADuM3470 efficiency over temperature range
  • ADuM3470 with VDD1>VDDA
  • ADuM3470: thermal derating
  • ADuM3471
  • ADuM3480 datasheet questions/corrections
  • adum3482 optoisolator and power pin permutation query
  • +ADUM4135: FAQ
  • +ADUM4160/ADUM3160: Can these devices support OTG (On The Go) USB?
  • +ADUM4165: FAQ
  • +ADUM4221: FAQ
  • ADuM4223 for safety class II
  • ADuM4472 isolation performance for IEC 60601-1
  • ADuM5000 DC-DC shutdown
  • +ADUM5020: FAQ
  • +ADUM5201: Is it possible to switch the isolated Voltage off, by setting Ve2 to low?
  • ADuM5230 no output voltage (Viso)
  • ADuM5241
  • ADuM5241 overvoltage protection
  • ADuM5241: Application hints for addressing EMC problems in order to pass CE test?
  • ADuM5241: What output impedance can we expect in Z state when Viso is unpowered?
  • ADuM5401: How do I connect PIN 7 (RCout) of ADuM5401 in a standalone application?
  • ADuM5401: Is 1 Mbps the maximum data rate, can this device be used above 1 Mbps?
  • +ADUM5401WCRW vs ADUM5401WCRWZ-1: What is the difference?
  • +ADUM5402: 5V supply disturbed by device's DC/DC converter.
  • +ADUM5403: RCOUT pin connection if not used
  • ADuM54xx and ADuM64xx: Startup Problems
  • ADUM54xx: Can I make parallel connection of devices in a redundancy configuration?
  • ADuM54xx: recommendations on how to put 2 ADUM54xx in parallel?
  • ADuM6000 and RCin/RCsel High Level thresholds
  • +ADUM6132 and capacitive loading of 10nF effect on the device
  • ADuM6400 specs changed
  • ADuM6400: PCN # 11-0188 typo error
  • ADuM6401 and common mode transient immunity
  • ADuM6402 VDDL input pin connection
  • +ADUM7234: Why is maximum output differential voltage only 350V and what happens if it is exceeded?
  • Any condition needs to be met for the state of PIO outputs to remain after 1-Wire connection is removed?
  • Can ADUM3440 be used to provide Isolation from high frequency noise?
  • Can the ADuM1250 drive a 25 metre line?
  • Can you expalin the difference in ESD protection between the ADuM240x and the ADuM440x icoupler parts?
  • CTRL Pins on ADuM3482
  • Difference between ADuM2401 v ADuM4401
  • +DS2406+: FAQ
  • +DS2406P+: FAQ
  • DS2408: FAQ
  • +DS2408S+: FAQ
  • DS2413 8" UNTSTD RAW DIE (A2) SA: FAQ
  • +DS2413P+: FAQ
  • +DS2413Q+T&R: FAQ
  • +DS8500-JND+: FAQ
  • +DS8500-KIT#: FAQ
  • EVAL-ADuM322xEBZ dimensions
  • Generating 3 Voltages with ADuM347x
  • glitch filter width of the ADuM144X family?
  • How to use DS2413 as communcation between TWS earbud & Charger-box
  • I set EN1 and EN2 high to disable the internal refresh and watchdog for lowest operating power. Is DC correctness guaranteed in this state?
  • input voltage levels are recommended?
  • Is ADuM6000 (or ADuM5000) compliant with the USB low power suspend mode current limits?
  • +LT3960: FAQ
  • +LTC4332: FAQ
  • +LTM2884: FAQ
  • +MAX12930BASA+: FAQ
  • +MAX12931: FAQ
  • +MAX13041: FAQ
  • +MAX13050: FAQ
  • +MAX13054AEASA+T: FAQ
  • +MAX13085ECSA+T: FAQ
  • +MAX13089EASD+: FAQ
  • +MAX13089EESD+: FAQ
  • +MAX13235EETP+: FAQ
  • +MAX13235EEUP+: FAQ
  • +MAX13237EETE+: FAQ
  • +MAX13430E: FAQ
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  • +MAX13432EETD+T: FAQ
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  • +MAX14431BASE+: FAQ
  • +MAX14502: FAQ
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  • +MAX14819EVKIT#: FAQ
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  • +MAX14851EVKIT#: FAQ
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  • +MAX14890EEVKIT#: FAQ
  • +MAX14891EATP+T: FAQ
  • MAX14900E: FAQ
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  • +MAX14906ATM+T: FAQ
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  • MAX14912: FAQ
  • +MAX14912AAKN+: FAQ
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  • +MAX14913EVKIT: FAQ
  • MAX14914: FAQ
  • +MAX14914AATE+: FAQ
  • MAX14915AFM+: FAQ
  • +MAX14915AFM+_T1: FAQ
  • +MAX14915_FM+_B1: FAQ
  • +MAX14916_FM+_B1: FAQ
  • +MAX14917AFM+: FAQ
  • +MAX14919AATP+: FAQ
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  • MAX14930: FAQ
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  • +MAX14931: FAQ
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  • MAX14986: FAQ
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  • +MAX1564ETE+: FAQ
  • MAX17411: FAQ
  • +MAX17411GTM+: FAQ
  • +MAX1823BEUB: FAQ
  • +MAX20025AGXXA/V+: FAQ
  • +MAX20037: FAQ
  • MAX20313: FAQ
  • +MAX20313EWC+: FAQ
  • +MAX20314EWC+: FAQ
  • +MAX20333AENL+: FAQ
  • +MAX20340EVKIT#: FAQ
  • MAX20340EWL+: FAQ
  • +MAX20340EWL+T: FAQ
  • +MAX20356: FAQ
  • +MAX203CPP+G36: FAQ
  • +MAX2079CXE+: FAQ
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  • +MAX2082EVKIT#: FAQ
  • +MAX21100: FAQ
  • +MAX22025: FAQ
  • +MAX22088GTG+: FAQ
  • MAX22190ATJ+: FAQ
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  • +MAX22191PMB#: FAQ
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  • MAX22508E Data Sheet Pinout Clarification
  • MAX22508E: FAQ
  • +MAX22513AWJ+: FAQ
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  • +MAX2982C/DW: FAQ
  • +MAX2982EVKIT#: FAQ
  • +MAX2982GCD+: FAQ
  • +MAX2982GCD/V+: FAQ
  • +MAX3030ECSE+: FAQ
  • +MAX3033EEUE+: FAQ
  • +MAX3042BCSE+: FAQ
  • MAX3051: FAQ
  • +MAX3051EKA+: FAQ
  • +MAX3051ESA+: FAQ
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  • +MAX3059ASA+: FAQ
  • +MAX3062EEKA#G16: FAQ
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  • +MAX3079EASD+: FAQ
  • +MAX3080: FAQ
  • +MAX3082: FAQ
  • +MAX3083CPD+: FAQ
  • +MAX3086CPD+: FAQ
  • MAX3097E: FAQ
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  • MAX3098E: FAQ
  • +MAX3098EACSE+: FAQ
  • MAX3100: FAQ
  • +MAX3100CEE+: FAQ
  • +MAX3107EAG+: FAQ
  • +MAX3109: FAQ
  • +MAX3120: FAQ
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  • MAX3160E: FAQ
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  • +MAX3181EEUK+: FAQ
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  • +MAX3221CAE+: FAQ
  • +MAX3221EEAE+: FAQ
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  • +MAX3233ECWP+G36: FAQ
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  • MAX3250: FAQ
  • +MAX3250CAI+: FAQ
  • +MAX3250EAI+: FAQ
  • +MAX3280EAUK+: FAQ
  • +MAX3280EAUK+T: FAQ
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  • +MAX3293: FAQ
  • +MAX33041E: FAQ
  • +MAX33046EASA+: FAQ
  • +MAX33053EASA+: FAQ
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  • +MAX33072EASA+: FAQ
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  • +MAX3486: FAQ
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  • +MAX3490CSA: FAQ
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  • MAX79356: FAQ
  • +MAX79356CAEVK1#: FAQ
  • +MAX79356ECM+: FAQ
  • +MAX79356EVK1#: FAQ
  • +MAX79356SNF#: FAQ
  • +MAX9259DGTN/V+: FAQ
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  • +MAX9259GCB/V+_T1: FAQ
  • +MAX9259GTN/V+T: FAQ
  • MAX9260: FAQ
  • +MAX9260GCB/V+: FAQ
  • +MAX9263: FAQ
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  • +MAX9271GTJ+T: FAQ
  • +MAX9271GTJ/V+: FAQ
  • MAX9272A: FAQ
  • +MAX9272AGTM/V+_T1: FAQ
  • +MAX9273GTL/V+: FAQ
  • MAX9275: FAQ
  • MAX9275DGTN/V+: FAQ
  • +MAX9275DGTN/V+_T1: FAQ
  • +MAX9275GTN+: FAQ
  • +MAX9275GTN/V+: FAQ
  • MAX9276: FAQ
  • +MAX9276AGGN/VY+: FAQ
  • +MAX9276AGTN/V+T: FAQ
  • +MAX9276A_TN/VY+_A1: FAQ
  • MAX9277: FAQ
  • MAX9277DGTM/V+: FAQ
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  • +MAX9277GTM/V+T: FAQ
  • +MAX9278AGTM/V+: FAQ
  • +MAX9278BGTM/V+: FAQ
  • +MAX9278_TM/VY+_A1: FAQ
  • +MAX9280AGTN/V+: FAQ
  • +MAX9281DGTM/V+: FAQ
  • +MAX9281GTM/V+: FAQ
  • +MAX9286ATHENA10DB#: FAQ
  • +MAX9286COAXEVKIT#: FAQ
  • MAX9286E: FAQ
  • +MAX9286EGGN+GE_T1: FAQ
  • +MAX9286EGTN+_T1: FAQ
  • +MAX9286FMCDB#: FAQ
  • +MAX9286GGN/VS+: FAQ
  • +MAX9286GGN/VY+T: FAQ
  • +MAX9286GTN+T: FAQ
  • +MAX9286GTN/V+: FAQ
  • +MAX9286_TN+_A1: FAQ
  • MAX9288: FAQ
  • +MAX9288COAXEVKIT#: FAQ
  • MAX9288GGM/VY+: FAQ
  • +MAX9288GGM/VY+T: FAQ
  • +MAX9288GGM/VY+_T1: FAQ
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  • +MAX9288GTM/V+_T1: FAQ
  • +MAX9288_GM/VY+_A1: FAQ
  • +MAX9290COAXEVKIT#: FAQ
  • MAX9291: FAQ
  • +MAX9291BCOAXEVKIT#: FAQ
  • +MAX9291BGTN/V+: FAQ
  • +MAX9291BGTN/VY+: FAQ
  • +MAX9291COAXEVKIT#: FAQ
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  • +MAX96700GTJ/V+: FAQ
  • +MAX96701AGTG/V+: FAQ
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  • MAX96705AGTG/V+: FAQ
  • +MAX96705AGTG/V+T: FAQ
  • +MAX96705AGTG/V+_T1: FAQ
  • MAX96705AGTJ/V+: FAQ
  • +MAX96705AGTJ/V+T: FAQ
  • +MAX96705GTJ+: FAQ
  • +MAX96705GTJ/V+T: FAQ
  • MAX96706: FAQ
  • +MAX96706COAXEVKIT#: FAQ
  • +MAX96706GTJ+: FAQ
  • +MAX96706GTJ/V+T: FAQ
  • +MAX96707GTG/V+T: FAQ
  • +MAX96708GTJ+: FAQ
  • +MAX96708GTJ/V+T: FAQ
  • +MAX96708GTJ/V+_T1: FAQ
  • +MAX96711GTJ/V+: FAQ
  • +MAXM22510GLH+: FAQ
  • MAXM22511GLH+: FAQ
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  • MOPP at 250Vrms
  • MTBF/FIT data of ADuM2402
  • Must the EN1 and EN2 pin states match one another?
  • Pullup voltage for port 1 signals diferent from Vdd1
  • Switching regulator with an integrated coil
  • switching regulator with integrated coil
  • WG: ADUM5202 consistent with VDE Norm?
  • What is the frequency content of a GMSL1 link?
  • What is the refresh frequency of the ADuM144X family?
  • What’s the difference between the ADuM1440/41/42 and the ADuM1445/46/47?
  • Where can I find the gerber files for the ADuM4472 evaluation board (EVAL-ADUM4472EBZ)?
  • Why is there a minimum power on slew rate of 400V/ms on ADuM5230?
  • Will there be dual versions of the ADuM144X family

ADUM3160/4160: Can this device be used for USB-IF standard host isolation

Question

Can the ADUM4160 be used for USB-IF standard host isolation?

Answer

The ADuM4160 USB isolator is designed to isolate a peripheral port and keep the
port compatible with the USB-IF standard. It does that job very well. It was
not intended for host isolation.

That being said, because this part was intended to drop into the USB line it
has a peripheral type port and a host type port to allow it to interface with
the peripheral port of the end point device. The downstream host port is side 2
of the device and it contains the proper pull downs and drive strength to
provide host type communications. The only thing holding it back from isolating
a host is that full compliance to the USB spec requires that a host auto-detect
the speed of any peripheral plugged into it. The ADuM4160 was designed to
operate at a single speed, set by hard wiring pins SPU and SPD. So it can be
set up and will communicate as a host isolator at either low or full speed, but
it will be a fixed speed device however it is set, and so does not meet all of
the requirements of the USB-IF standard. For many customers this is adequate
for their job and they use it in this way.

So the ADUM4160 will function at either low speed or full speed USB (but only
at whichever speed has been set by hardwiring of the SPU and SPD pins. The
ADUM4160 does not support high speed USB and so it fails to pass high speed USB
signals because it blocks handshaking signals that are used to negotiate that
speed.

The circuit note CN0158 describes a circuit implementation to isolate a host
device. The hub chip chosen in this circuit note supports high speed operation,
but this mode is not allowed by the normal operation of the ADuM4160. The
upstream side of the hub controller can be thought of as a standard fixed speed
peripheral port that can be easily isolated with the ADuM4160, whereas the
speed of the downstream ports is handled by the hub controller. The hub
controller converts peripherals of different speeds to match the upstream port
speed so the hub solves the problem of adjusting the speed of the downstream
ports to match the hardwired (low or full speed) setting on the ADUM4160.

Tags: interface and isolation adum4160 2J2T4526
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