Texas Instruments TPA2028D1YZFEVM manual Found New Hardware Wizard Advisory Screen

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5. Powering the EVM:

•The EVM can be powered via USB connection or by external power supply:

(a)Via USB power: Install shunt for USBPWR if USB power is used.

(b)External power supply: connect an external regulated power supply adjusted for 2.5 V–5.5 V to the VDD and GND banana jacks, taking care to observe marked polarity. Make sure USBPWR is removed in this case.

Note:

(a)USB interface may not be able to provide enough current. For best audio performance, use external power supply.

(b)Make sure only one power source is used. Connecting two power sources will cause damage to the device and the supply.

6.Connect audio source to RCA jacks IN.

7.Connect speakers (8 Ω to 32 Ω) to the output banana jacks OUTP and OUTM.

8.Plug in USB.

9.Turn on the power supply.

10.If this is the first time a TPA2028D1YZFEVM is plugged in after installing the software, follow the Windows dialog (Figure 2), questions, and selections:

(a)Select "Install from a list or specific location (Advanced)", then click next.(1)

(b)Browse to the folder where the TPA2028D1 interface is installed then click ok.

(c)Windows will automatically install the driver.

Figure 2. Found New Hardware Wizard Advisory Screen

NOTE: It is not necessary to repeat steps 10. a. to c., once the driver is installed.

(1)Computer screen images showing Windows XP interface are courtesy of Microsoft Corporation

SLOU283 –February 2010	TPA2028D1YZFEVM	3
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