ADR444 Incorrect Output Voltage
I am trying to use the ADR444 as a 4.096V reference for the ADAS3023, using the AD8031 as a buffer, as suggested on the ADAS3023 data sheet. The ADR444 is giving about 4.3V, which is dropping to 4.2V...
View ArticleADP7116 : junction temperature
Hello, I have a question about figure 55 in the ADP7116 data sheet,I want to know the size of the PCB copper areas which the characteristic of the figure 55 is measured.Could you tell me the size of...
View ArticleADR441 - Additional Noise Data Requested
Good morning. I have a customer currently using the ADR421 as a voltage reference in multiple projects. The spec on this part indicates 1/F noise of 1.75uV and noise of 80nV/√Hz @1KHz. The noise...
View ArticleADP3339 minimum input power and tolerance
According to the datasheet ADP3339 has a 2.8 V to 6 V input voltage range. We currently use this device in our design which feed in only 2.48V at the input due to design limitation. I understand that...
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ADuM3223 GND questions
Dears as we know ,the ADum3323 is the isolated half-bridge driver, in the Datasheet P16 , the SCH is as belowwe can see that, the GNDA is floating, can we connect the GNDA to a negative voltage,...
View ArticleADP125: Protection diode required?
Hi everyone, I'm designing a circuit with some ADP125 LDOs for the analog supplies. In the abs. max. ratings, there is a requirement for VOUT: VOUT to GND | -0.3V to VIN This would clearly indicate...
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ADP7102 ADIsimPower input capacitor error
ADIsimPower is a very nice tool.. a real time saver. However I noticed an error in the tool for the ADP2102. Using parameters for input voltage of +12V the tool specified an input capacitor rated at...
View ArticleADP5052 SYNC pin at startup when syncing with external clock
I would like to sync the ADP5052 with an external clock provided by an FPGA. The FPGA is to be powered by the ADP5052, so the external clock won't be available until after the first channel comes up....
View ArticleADM660 doubling
Hi! the power section of my board is shown in the schematic attached. I'd like to produce a dual supply +/- 2*Vcc from my single supply Vcc = 3.4V.The first ADM660 is used in the voltage doubler...
View ArticleHot-Swap ADM1275&ADM1276 Design
Dear SIR:ADM1275,ADM1276 is the most complex application Hot-Swap product and design,ADI have utters ADIsimPower EXCEL file can supply us and quickly confirmed that all material specifications of the...
View ArticleADP1614 as a LED Driver
Hi All, My customer investigating low cost LED driver IC.Is it possible to use ADP1614 as a LED Driver with its adjustable current limit function?If yes, can I obtain reference circuit for 5 white LEDs...
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ADM1278 CML error
Sir, How do clean this fault?Due to I tested the PCH for DC power on to off (a cycle), We found the ADM1278 feedback the bit turn high.it will be clean only when we off the ADM1278 VCC.
View ArticleComponents not found in the new 7.20 ADIsimPE version
I run a simulation using a circuit that was fine with the previous version od ADIsimPE.Now I get a couple of error messages stating that a Mosfet (IRF630) and a core materila (N87 used in a pulse...
View ArticleARROW-MEX: ADP5300 ISSUE
Hi this about a project we have with a client please if youcould assist: As you know, we are implementing the ADP5300 on a IOT solution.The boards received, except one, have really low output...
View ArticleHigh-side current sensing at 120V
Hello,I am searching for a good idea to sense the current of 0 to 100 mA at a voltage level of 0V to 135V. The result should be a current to ground or a voltage respecive to ground. The first problem...
View Articleany suggested footprint for ADP198 (LFCSP package = CP-8-10)
I found a suggested footprint for package CP-8-8 (very close to the CP-8-10) but there's no footprint PDF for the CP-8-10 (used on ADP198). My thougth was to modify the CP-8-8 footprint, making the...
View ArticleADP505X EVM Reference Schematics
Hi, Can i get Reference Schematics for ADP505X EVM. Regards,Ranganadh
View ArticleHot-Swap ADM1275&ADM1276 Design
Dear SIR:ADM1275,ADM1276 is the most complex application Hot-Swap product and design,ADI have utters ADIsimPower EXCEL file can supply us and quickly confirmed that all material specifications of the...
View ArticleRegulator with positive input and negative output
Hi,I'm trying to find out the best option for a regulator with positive input and negative output.I need to feed six operational amplifiers with V+=(max: 12V min: 7V) and V-=-(max: 12V min: -7V) and I...
View ArticleAD8000 model
ADIsimPE ver14.0.0.162 doesn't contail AD8000 model.Could you provide AD8000 model? Regards,Y.Ishii
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