Part Number: AMC3330 Hello
I am designing an Iot device powered via isolated power supply from the 230VAC main sector. we need to measure the 230VAC via an isolated measrment systeme
I identified the AMC3330,
my questions are :
I want to measure the input…
Part Number: AMC3330
I have a requirement of measurement of 3 phase unbalanced voltages. I found AMC3330 is a right IC that works for my application. But, I see two circuits, one in the datasheet, other in the sbaa553 ( link2 ). In both the circuits its…
Part Number: AMC3330-Q1 Other Parts Discussed in Thread: AMC3330 Hi all,
I have referred the insulation monitoring for DC load system with respect to chasis https://www.ti.com/tool/TIDA-010232
Our requirement is to measure the AC insulation system with…
Part Number: AMC3330-Q1 Hi team,
Would it be possible to share the exact frequency of the internal DCDC?
Could you help check this case? Thanks.
Best Regards,
Cherry
Hi Raymond,
Do you have an actual schematic that you can share? The INN of the AMC3330 is normally referenced back to HGND (pin 8) to keep the common mode voltage within the specified limits.
Part Number: AMC3330-Q1 Other Parts Discussed in Thread: OPA333 Hi Team,
Please find the following circuit that we are using for high voltage measurement (Please see attached image ). wherein we are getting analog output ripple with around 33mV to 45mV…
Hi Christophe,
As offset error is input referred in the datasheet, the output error is the same for both devices.
Additionally, offset errors can be easily removed with a 0V offset calibration in the MCU. Is this an option for your design?
What level…
Part Number: AMC3330 Hi team,
I have a question about SE output use-case.
If the customer wants to use SE output which generate 0V when INP = INN.
Is it okay to connect GND at Vref? It seems no issue, but please double check this.
Best Regards,
Aus…
Part Number: AMC3330-Q1
Hi Team,
Our customer is using AMC3330QDWERQ1 in their design and wants to know the formula for high voltage divider circuit. The input voltage is 300V. Section 8.2.2 provides some formula but it seems that there is none that includes…
Part Number: AMC3330 Other Parts Discussed in Thread: TLV313 , LM7705 , , TLV313-Q1
Hi expert,
Could you help to check if VREF can be connected to GND?