I have spent three days now searching so I feel I can post this without guilt 🙂
I can't seem to find a USB DAC chip that supports 24-bit. If someone knows of one please tell me!!!!
In the case that there is no such thing yet then I was wondering if anyone knew how to attach a USB controller chip to a 24-bit dac chip that doesn't support USB. I realize that this is a very noobish question, but I am sure that it is possible because there are 24-bit USB DAC's out there.
I know 24-bit is sort of silly but in this case it is important.
Thoughs? Thanks.
Milo
I can't seem to find a USB DAC chip that supports 24-bit. If someone knows of one please tell me!!!!
In the case that there is no such thing yet then I was wondering if anyone knew how to attach a USB controller chip to a 24-bit dac chip that doesn't support USB. I realize that this is a very noobish question, but I am sure that it is possible because there are 24-bit USB DAC's out there.
I know 24-bit is sort of silly but in this case it is important.
Thoughs? Thanks.
Milo
Hi Milo,
virtually all of the 24bit DACs (or audio interface units as a whole) out there - which I know of - use a USB controller for communication and a dedicated DAC (or CODEC) for conversion.
Most common is the Texas Instruments TUSB3200/3210 series and their successors (see http://www.ti.com).
Hope this helps,
Sebastian.
virtually all of the 24bit DACs (or audio interface units as a whole) out there - which I know of - use a USB controller for communication and a dedicated DAC (or CODEC) for conversion.
Most common is the Texas Instruments TUSB3200/3210 series and their successors (see http://www.ti.com).
Hope this helps,
Sebastian.
Sek,
I took a look at the TUSB3200 pdf. It explains a little to me. But I am very unused to digital circuits. Not that used to Analog circuits but I feel much more comfortable with them 🙂.
Do you have to program the TUSB3200? Or do you just connect it to the DAC? What pins am I looking for in terms of the USB controller sending information to the DAC and the DAC recieving.
Thanks for your help!
Milo
edit: Looked at some of the applications sheets and found a diagram connecting the TUSB3200 with the TLC320AD77. The TLC is a CODEC (not sure what the difference between a CODEC and an DAC is). The TLC looks like it is sending Analog out, but its also connected to a VREF filter. The TUSB is connected to a EPROM as well.
1. do I have to connect the VREF filter (what is it for)?
2. do I have to connect the EPROM (that means programming the damn thing right)?
3. There were mentions of firmware in regards to the TUSB. Does that mean I have to program it or just update its firmware with TI firmware updates.
Thanks for the patience.
I took a look at the TUSB3200 pdf. It explains a little to me. But I am very unused to digital circuits. Not that used to Analog circuits but I feel much more comfortable with them 🙂.
Do you have to program the TUSB3200? Or do you just connect it to the DAC? What pins am I looking for in terms of the USB controller sending information to the DAC and the DAC recieving.
Thanks for your help!
Milo
edit: Looked at some of the applications sheets and found a diagram connecting the TUSB3200 with the TLC320AD77. The TLC is a CODEC (not sure what the difference between a CODEC and an DAC is). The TLC looks like it is sending Analog out, but its also connected to a VREF filter. The TUSB is connected to a EPROM as well.
1. do I have to connect the VREF filter (what is it for)?
2. do I have to connect the EPROM (that means programming the damn thing right)?
3. There were mentions of firmware in regards to the TUSB. Does that mean I have to program it or just update its firmware with TI firmware updates.
Thanks for the patience.
Such ICs are a heck more complicated than a USB DAC!
Yes, it means programming a firmware and supplying it to the TUSB via the EEPROM. TI supplies tools for all this, but it's still programming... although difficulty level: washing machine.
Vref is used because there also is an input in this application. CODEC means coder/decoder (ADC and DAC) 😉
Yes, it means programming a firmware and supplying it to the TUSB via the EEPROM. TI supplies tools for all this, but it's still programming... although difficulty level: washing machine.
Vref is used because there also is an input in this application. CODEC means coder/decoder (ADC and DAC) 😉
The little voice that is saying "JUST BUY THE APOGEE" is starting to become a big voice... with a stick. Only my wallet stands in his way. 🙂
Thanks for the help. Ill do a bunch of reading and maybe Ill revive this thread at a later date when I know a little more. Thanks for your help Sek!
Milo
Thanks for the help. Ill do a bunch of reading and maybe Ill revive this thread at a later date when I know a little more. Thanks for your help Sek!
Milo
- Status
- Not open for further replies.