IC component for DAC UNO

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andihong

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halo, i want to make DAC from arduino uno, here the link

**broken link removed**

but, there is nowhere i can buy the IC.

is there any recomendation of the IC ?

TLV2451 Operational Amplifier ( you can use almost every operational amplifier, just remember to check that is rail-to-rail).
22 uF capacitor
3.3 kOhm resistor.
Click to expand...

there is no TLV, OPA. it's hard to find..
 

It's basically just an op-amp buffer stage. Replace that with another rail-to-rail opamp if you can't find it.

Here's one from Microchip (MCP600x): **broken link removed**
You can get free samples from Microchip depending on where you are. If not, they're really cheap.

If you still want to go with the TLV2451: https://www.digikey.com/product-detail/en/TLV2451CP/296-1889-5-ND/277534
 
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