How to do digital to analogue conversion using LTC1257 ?

sckam

Dear all,

Hi!

I have a Digital to Analogue Converter IC (LTC1257).

May I know how to use my Basic Stamp 2(BS2) to convert the digital signal to analogue signal?

Thank you.

Best regards.

Kam


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Thank you.

Warm regards.
Kam

Jon Williams

http://www.parallax.com/dl/docs/cols/nv/vol1/col/nv43.pdf

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Jon Williams
Applications Engineer, Parallax
Dallas Office

sckam

Dear all,

I have some problem on my BS2 code:

1.When I did SYNTAX CHECK, an error "Out of variable
space" happen at "Y"
Why ? just only five WORDs declare only, the error
already come out ?
I have remark the code.

2.Refer to Jon's URL link for the DAC PDF file,the DPin in my BS2 code under DAC section is refer to Pin 2(Din) on the LTC1257 ? and the DAC in the code is refer to Pin 3(LOAD) on the LTC1257 ?

Clk··· PIN·· 0
Dpin·· PIN·· 1
DAC··· PIN·· 5
temp··· VAR··· Word
tempL·· VAR··· temp.BYTE0
tempH·· VAR··· temp.BYTE1
dac1··· VAR··· Word
dac2··· VAR··· Word
shift·· VAR··· Byte

Attach here is the program BS2 code.
Thank you.
Best regards.

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Thank you.

Warm regards.
Kam