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  Paul_Frost

  • 2 months ago
  • Data converters
  • Data converters forum

  RE: AMC7834: AMC7834 PA_ON state

  Hi Rachid, Good catch! You are correct. This figure is wrong and does the opposite of what you want in the AMC7834. I will forward the issue to our system's team to update the PDS. In this case, we can just use the PMOS, similar to figure 53...
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  Marks Greulich

  • 5 months ago
  • Data converters
  • Data converters forum

  AMC7834: Critical maximum ambient temperature

  TI Thinks Resolved

  Part Number: AMC7834 Hi there, I know that the AMC7834 is specified up to 125°C (guess solderjoint). My Questions are - the internal temperature sensor thinks is not directly the solderjoint so there is some margin between. How I can find...
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  Marks Greulich

  • 5 months ago
  • Data converters
  • Data converters forum

  AMC7834: Bipolar DAC is not clamping to AVss (-5V)

  • Resolved

  Part Number: AMC7834 Hi there, have several AMCs on my board and already using them as expected
• 

  Terry Noe

  • 5 months ago
  • Data converters
  • Data converters forum

  AMC7834: Will the AMC7834 worked in pulsed RF applications?

  TI Thinks Resolved

  Part Number: AMC7834 In my application, I need to control the bias of a poweramp in a pulsed RF application. The nominal bias current is high (9A) when the RF is on, and basically zero when the RF is off. The width of the RF pulse is 4 microseconds. ...
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  Michael Adelman

  • 6 months ago
  • Data converters
  • Data converters forum

  AMC7834: Simultaneous operation

  • Resolved

  Part Number: AMC7834 Hello, I want to know if this chip can work in on several task in the the same
• 

  yellapu vanitha

  • 8 months ago
  • Data converters
  • Data converters forum

  AMC7834: AMC7834

  • Resolved

  Part Number: AMC7834 Hi , With context of SPI Interface ,For enabling the DAC Registers in AMC7834
• 

  Marks Greulich

  • 7 months ago
  • Data converters
  • Data converters forum

  AMC7834: Bipolar DACs - reading back the output voltage of the DAC-Pins?

  TI Thinks Resolved

  Part Number: AMC7834 Hi all, is there a possiblity to read back the voltage what is set in the reality at the bipolar DACs? I mean - I`m writing a value into the right register and it works - but in some cases when the device behind the AMC which...
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  Marks Greulich

  • 7 months ago
  • Data converters
  • Data converters forum

  AMC7834: Current Sensing is drifting far away with higher temperatures (>roomtemp)

  TI Thinks Resolved

  Part Number: AMC7834 Hi there, we were lucky when we measured an external current via the Current Sense Pins and a shunt (200mR). Under roomtemperature it seems to work. But then we tried to measure that same current under hot temperatures up to...
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  Marks Greulich

  • 8 months ago
  • Data converters
  • Data converters forum

  AMC7834: Bipolar DACs - negative Voltage (-5V) and currente consumption at AVss

  • Resolved

  Part Number: AMC7834 Hi guys, I`m using the AMC7834 and happy to have him. But what I dont
• 

  Michael Adelman

  • 8 months ago
  • Data converters
  • Data converters forum

  AMC7834: Gan bias protection

  TI Thinks Resolved

  Part Number: AMC7834 Hello, Do AMC7834 support of power sequencing/protection when VSS goes high to 0V while Vdrain of the amplifier still exist? thanks,

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