Hardware/Mezzanine/audio AD-DA
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* two 24-bit, 192 kHz, stereo WM8782 ADCs | * two 24-bit, 192 kHz, stereo WM8782 ADCs | ||
* two 24-bit, 192 kHz, stereo WM8759 DACs | * two 24-bit, 192 kHz, stereo WM8759 DACs | ||
| + | |||
| + | == Power supply == | ||
| + | |||
| + | The supply from the connector is used to power the [http://www.ti.com/product/tl064 TL064] op amps. | ||
| + | They can be powered between ±3.5 V and ±18V. | ||
| + | |||
| + | A [http://www.ti.com/product/tps54227 TPS54227] DC/DC converter generates 6.5 V from the power supply | ||
| + | and is followed by a 5 V regulator. | ||
| + | |||
| + | == Input range == | ||
| + | |||
| + | The board input signals are brougth to differential op-amp circuits with | ||
| + | * <math>R_{15} = R_{17} = R_{16} = R_{18} = R_{36} = R_{38} = R_{37} = R_{39}</math> | ||
| + | * <math>R_{15} = R_{17} = R_{16} = R_{18} = R_{36} = R_{38} = R_{37} = R_{39}</math> | ||
[[Category:Hardware]] [[Category:Mezzanine]] | [[Category:Hardware]] [[Category:Mezzanine]] | ||
Revision as of 10:42, 5 November 2012
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Audio AD/DA mezzanine board
This board has been developed as a low-cost replacement of the high-speed AD-DA board. It features:
- two 24-bit, 192 kHz, stereo WM8782 ADCs
- two 24-bit, 192 kHz, stereo WM8759 DACs
Power supply
The supply from the connector is used to power the TL064 op amps. They can be powered between ±3.5 V and ±18V.
A TPS54227 DC/DC converter generates 6.5 V from the power supply and is followed by a 5 V regulator.
Input range
The board input signals are brougth to differential op-amp circuits with
- R15 = R17 = R16 = R18 = R36 = R38 = R37 = R39
- R15 = R17 = R16 = R18 = R36 = R38 = R37 = R39
