RefHigh and RefLow

Tip / Sign in to post questions, reply, level up, and achieve exciting badges. Know more

cross mob
chmoc_1567941
Level 4
Level 4

i have been using psoc-1. there is refhigh and reflow available for RTD excitation.

   

is that any facility in psoc-4 that fulfith same??

   

because i want two save my both IDAC in some other purpose.

0 Likes
7 Replies
Bob_Marlowe
Level 10
Level 10
First like given 50 questions asked 10 questions asked

Some of the PSoC4 family members have got a vref  generated using an internal R-ladder.

   

 

   

Bob

0 Likes
chmoc_1567941
Level 4
Level 4

thanks bob,

   

is it available in CY8C4245AXI-483???

0 Likes
Bob_Marlowe
Level 10
Level 10
First like given 50 questions asked 10 questions asked

No, the CY8C4245AXI-483 hasn't

   

 

   

Bob

0 Likes
chmoc_1567941
Level 4
Level 4

than is that any other way to Excite RTD with current??

0 Likes
Bob_Marlowe
Level 10
Level 10
First like given 50 questions asked 10 questions asked

Use an R-ladder ?

   

 

   

Bob

0 Likes
chmoc_1567941
Level 4
Level 4

what is the R-ladder?? and how can i use it??

0 Likes
Bob_Marlowe
Level 10
Level 10
First like given 50 questions asked 10 questions asked

A Resistor ladder consisting of several Rs connected in a row. On the top is VCC applied and on the last is GND. In between you can get your references as you need.

   

 

   

Bob

0 Likes