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Interface and Isolation
Interface and Isolation
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  • Documents
  • ADG324x Level Translation: high to low
  • ADM2687 Emission Problem
  • ADN4695E bus termination in a point-to-point topology
  • ADuM for >2kV voltage
  • ADuM iCoupler: what is the inductance value of the internal coils?
  • ADuM iCouplers immunity to magnetic fields
  • ADuM1100 glitch filter window vs. very narrow pulses
  • ADUM1100: Different supply voltage
  • ADuM1100: Disfunction - burning out
  • ADuM1100: Overvoltage when the output is shorted out
  • ADUM1200/ADUM3401: Compliance with 3rd Ed IEC 61010-1 certification (2014)
  • ADuM1200: Supply current
  • ADuM1200: What is the input impedance of a single channel?
  • ADuM1201 jitter
  • ADUM1201 suitable to work in CAN Bus?
  • ADuM1201-EP
  • 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
  • ADUM1300: Can I connect the unused (No Connect) pin 7 of a ADuM1300 iCoupler to GND?
  • ADuM1301 Output current capability
  • ADuM1301: Default output state on power up
  • ADuM1400
  • ADuM1400: Absolute maximum ratings
  • ADUM1400: maximum input rise time & input/output protection
  • ADuM1400_ UL flammability rating
  • ADUM1401: Can I increase max data rate to 2Mbps and will this compromise pulse width distortion spec ?
  • ADUM1401: I/P maximum voltage
  • ADUM1401: Is it possible to disable the refresh pulses on the iCoupler?
  • ADuM1401: Low supply voltage
  • ADuM1401: SPI wires
  • ADuM1402: Can it be modified to same configuration as the I2C isolator ADUM1250 ?
  • AduM1402: Tristate outputs
  • ADuM1402:  Is there any specified or typical jitter performance?
  • ADuM1420: Maximum switching frequency is given as 5Mbps in datasheet, should this be 5MHz?
  • ADuM144x Low Power Digital Isolators: I set EN1 and EN2 high to disable the internal refresh and watchdog for lowest operating power. Is DC correctness guaranteed in this state?
  • ADuM144x Low Power Digital Isolators: Must the EN1 and EN2 pin states match one another?
  • ADuM144x Low Power Digital Isolators: What is the glitch filter width of the ADuM144x family?
  • ADuM144x Low Power Digital Isolators: What is the refresh frequency of the ADuM144x family?
  • ADuM144x Low Power Digital Isolators:  What input voltage levels are recommended?
  • ADuM144x Low Power Digital Isolators:  What's the Difference between ADuM1440/41/42 and ADuM1445/46/47?
  • ADuM2400 input current test
  • ADuM2400: 12 V digital signal
  • ADuM2401 driving long cable
  • ADuM2401 output driving 2m cable
  • ADUM2401: Common mode voltage
  • ADuM240x
  • ADUM3070 Creepage and Air Clearance specifications
  • ADuM3160 for USB isolation
  • ADuM3160 USB speed and compatibility
  • ADuM3160 with USB2.0 & 3.0
  • ADuM3160, using Vdd1/Vdd2 to supply external current
  • ADUM3160/4160: Can this device be used for USB-IF standard host isolation
  • ADUM3160: Can I use the Vdd1 and Vdd2 to supply current to other circuits on the board
  • ADuM3160_USB OTG
  • ADuM3190 FAQ: Why does the ADuM3190 have 2 Error Amp Outputs?
  • ADuM3190/4190 isolated error amplifier be used as an isolation amplifier?
  • ADuM3201 solderability
  • ADuM3210TRZ-EP for mil/aero apps
  • ADuM3220 starting delays
  • ADUM3220: There is no Junction to Ambient thermal resistance given in datasheet
  • ADuM3220: What is the practical use of the two Junction to Case thermal resistance values?
  • 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
  • ADuM4070 with high input voltage and 3.3V 1A output
  • ADuM4160 PIN input
  • ADuM4160 wiring with uC
  • ADuM4160 with SMSC USB2514B
  • ADUM4160/ADUM3160: Can these devices support OTG (On The Go) USB?
  • ADUM4160/ADUM3160: Is there a difference between the upstream and downstream port?
  • ADUM4160/ADUM3160: What is the difference between these 2 USB isolation devices?
  • ADuM4169:  Powering VBUS1 from 5V and VBUS2 from 3.3V.
  • ADuM4223 for safety class II
  • ADuM4472 isolation performance for IEC 60601-1
  • ADuM5000 DC-DC shutdown
  • ADUM5000s in parallel and in series connection possible
  • ADUM5010, ADUM6010 - All channels at maximum data rate
  • ADUM5010, ADUM6010 - AN-0971
  • ADUM5010, ADUM6010 - Creepage
  • ADUM5010, ADUM6010 - Data shut down
  • ADUM5010, ADUM6010 - Operating isoPower converter and data channels at different voltages
  • ADUM5010, ADUM6010 - Overload protection
  • ADUM5010, ADUM6010 - Putting two parts parallel
  • ADUM5010, ADUM6010 - Stacking isoPower outputs
  • ADUM5010, ADUM6010 - Synchronization isoPower PWM signal with external source
  • ADuM52001: Vsel input current and threshold voltage
  • ADUM5201: Is it possible to switch the isolated Voltage off, by setting Ve2 to low?
  • ADuM5230 no output voltage (Viso)
  • ADuM5230 PWM inputs hysteresis.
  • ADuM5241
  • ADuM5241 overvoltage protection
  • ADuM5241: What output impedance can we expect in Z state when Viso is unpowered?
  • ADuM5241:  Application hints for addressing EMC problems in order to pass CE test?
  • 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?
  • ADuM5401: Is the integrated DC/DC converter capable of boosting a 3.3V input to 5V output?,
  • ADUM5401WCRW vs ADUM5401WCRWZ-1: What is the difference?
  • ADuM5402 input behavior
  • ADuM5402 question
  • ADUM5402: 5V supply disturbed by device's DC/DC converter.
  • ADuM5402: EMI layout recommendation
  • ADuM5403: maximum junction temperature is not provided in datasheet
  • ADuM540x: Automotive version available?
  • 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 overheating
  • ADuM6132 Power Consumption
  • ADuM6132 to drive 1200V IGBT
  • ADuM6400 specs changed
  • ADuM6400: PCN # 11-0188 typo error
  • ADuM6401 and common mode transient immunity
  • ADuM6402 VDDL input pin connection
  • ADUM7234: Is max storage temperature in datasheet same as max junction temperature?
  • ADUM7234: Why is maximum output differential voltage only 350V and what happens if it is exceeded?
  • ADuM7324: Why is the working voltage only 350V and what happens if it is exceeded?
  • ADuM: Are iCoupler products sensitive to external magnetic fields?
  • ADuM: Can you explain in more detail the DC correctness paragraph in datasheet?
  • ADUM: difference between ADuM1402ARWZ and ADuM1402WSRWZ
  • ADuM: Internal overvoltage protection
  • Are there any side effects when one side of the digital isolator is powered up while the other side is powered down?
  • Can ADUM3440 be used to provide Isolation from high frequency noise?
  • Can I use the ADuM3190/ADuM4190 as an isolated op amp to convert a 4-20mA signal and      how would it work?
  • Can the ADuM1250 drive a 25 metre line?
  • Can you expalin the difference in ESD protection between the ADuM240x and the ADuM440x icoupler parts?
  • Certificates for the Safety and regulatory approvals for ADuM4190
  • Common-Mode voltages on ADuM3070 / ADuM4070
  • CTRL Pins on ADuM3482
  • Difference between ADuM2401 v ADuM4401
  • difference between the ADuM3190 and the ADuM4190
  • Digital Isolators with Op Temp range starting at -55C
  • ESD protection level
  • EVAL-ADuM322xEBZ dimensions
  • EVAL-ADUM4160 physical dimensions
  • FAQ: Where can I find more information on the combination of the AD5700, AD5421 & ADuCM360 as a smart transmitter circuit?
  • Generating 3 Voltages with ADuM347x
  • glitch filter width of the ADuM144X family?
  • How much output current can I get from the COMP pin of an ADuM3190/4190?
  • How to use ADuM4223 in Full Bridge driver application?
  • I set EN1 and EN2 high to disable the internal refresh and watchdog for lowest operating power. Is DC correctness guaranteed in this state?
  • If I don't use the ADuM3190/4190 as an isolated error amplifier, what is the gain of the output?
  • input voltage levels are recommended?
  • INTERFACE AND ISOLATION SUPPORT COMMUNITY
  • Is ADuM6000 (or ADuM5000) compliant with the USB low power suspend mode current limits?
  • Is figure 14 application example in ADUM1230 datasheet also valid for ADUM1233?
  • isoPower FAQ: Can I put two parts in parallel for more power?
  • isoPower FAQ: Can I run all of the data channels at maximum data rate simultaneously?
  • isoPower FAQ: Can I stack isoPower outputs to make higher voltages?
  • isoPower FAQ: Can I synchronize the isoPower PWM signal with an external source?
  • isoPower FAQ: Can the isoPower converter and the data channels operate at different voltages?
  • isoPower FAQ: Can the isoPower converter step up voltage?
  • isoPower FAQ: Do I need to follow the recommendations of AN-0971 to achieve EMI emissions targets?
  • isoPower FAQ: Does the data shut down when the isoPower is disabled?
  • isoPower FAQ: Is there overload protection in the ADuM5x1x and ADuM6x1x products?
  • isoPower FAQ: The creepage is smaller on the new isoPower devices than the other isoPower products in the SOIC_W package.  Will this limit me?
  • Isopower for -55C?
  • Maximum junction temperature
  • Mesaure AC Line Current (230V AC)
  • Military spec digital isolators
  • MLVDS FAQ: Are simulation models available?
  • MLVDS FAQ: Do you have an evaluation board?
  • MLVDS FAQ: How is M-LVDS different to RS-485?
  • MLVDS FAQ: What is M-LVDS?
  • MLVDS FAQ: What is the difference between receiver type 1 and receiver type 2?
  • MLVDS FAQ: Why should I use a 100Mbps device instead of a 200Mbps device?
  • MOPP at 250Vrms
  • More precise phase shift data than that shown in Figures 30 and 31 in Datasheet?
  • MTBF/FIT data of ADuM2402
  • Must the EN1 and EN2 pin states match one another?
  • On EVAL-CN0313 there are three different circuits that offer various protection levels for IEC61000-4-2 ESD, IEC61000-4-4 EFT and IEC61000-4-5 Surge. Why is there different protection circuitry used for Surge Level 4 compared ESD/EFT level 4?
  • Power calculation for ADuM3070
  • Pullup voltage for port 1 signals diferent from Vdd1
  • RE: Split Isolated Supply with isoPower query(SR#: 1204350)
  • soldering temperature and soldering time
  • Solution to limit overshoot on ADuM5401
  • SPIsolator(TM) - What is a SPIsolator?
  • Switching regulator with an integrated coil
  • switching regulator with integrated coil
  • Tags List (Interface & Isolation)
  • UL flammability ratings
  • WG: ADUM5202 consistent with VDE Norm?
  • What does the 1% accuracy of the ADuM3190/4190 include?
  • What exactly was changed from the original version of ADuM5402W to the ADuM5402W-1?
  • What is the current transfer ratio of the ADuM3190/4190 and how much can this change over temperature and from part to part?
  • What is the Gain Bandwidth product of the ADuM3190/4190?
  • What is the refresh frequency of the ADuM144X family?
  • What's the difference between the ADuM1440/41/42 and the ADuM1445/46/47?
  • Why do the ADuM3190 and ADuM4190 have two error amplifier outputs
  • Why is the ADuM3190/4190 supply voltage range different than the operating voltage range?
  • Why is there a minimum power on slew rate of 400V/ms on ADuM5230?
  • Will there be dual versions of the ADuM144X family

ADG324x Level Translation: high to low

The ADG324x family are level translators that is capable of translating voltage levels from high to low only. This statement can be supported by the Truth Tables and is further discussed at the Mixed Voltage Operation, Level Translation Section of the respective datasheet. The bidirectional term meant in the datasheet is that Ax and Bx pins can be either an input or an output. This means that the part is smart enough to detect what pins (either Ax or Bx) are used as the input pin and automatically makes the other side as the output pin. Let us put it this way, if Ax is used as an input pin (with higher voltage level), then the part would automatically make Bx to be the output pin (with translated lower voltage level). This is also the same if Bx pin is used as the input pin then Ax pin will be the output pin.

In summary, the ADG324x family are bidirectional level translators because there is no impedance to signal direction, but it cannot translate the voltage up.

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