Analog output PICs

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I've not seen any, but many have hardware PWM which can be used, followed by a low-pass filter (which a normal D2A requires anyway).

Or you could use 8 pins to feed an R2R ladder, giving 8 bit resolution.
 
Both of those options will work but if the impedance of the load you're driving is low, you'll need a buffer.
 
Both of those options will work but if the impedance of the load you're driving is low, you'll need a buffer.

The required filter can act as the buffer, it really needs to be an active one in any case - the same also applies to using an IC D2A as well.
 
The 18F1330 has a built-in 10-bit A/D converter module. And those chips are quite a bit more recent than the 16F88

I have had great success with the ADC on these chips, and have used it in several applications. IMO it's definitely worth looking into.

Regards,
Der Strom
 
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So, you're not only responding to a three year old post, you're also doing it completely wrongly!.

The thread is about D2A - NOT A2D.

A great many PIC's have multi-channel 10 bit A2D, as does the 16F88 mentioned.
 
So, you're not only responding to a three year old post, you're also doing it completely wrongly!.

The thread is about D2A - NOT A2D.

A great many PIC's have multi-channel 10 bit A2D, as does the 16F88 mentioned.

Oh, yikes. Sorry--I guess that's what you meant by "look at the date" Very sorry about that.
And I guess I misread the original post. Thanks for pointing that out, Nigel.
 
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