Texas Instruments TLV320AIC3007 Evaluation Module (EVM) and USB motherboard TLV320AIC3007EVM-K TLV320AIC3007EVM-K 데이터 시트
제품 코드
TLV320AIC3007EVM-K
2.3
Power Connections
2.3.1
Stand-Alone Operation
2.3.2
USB-MODEVM Operation
EVM Description and Basics
www.ti.com
Table 2. List of Stand-alone Jumpers (continued)
Jumper
Jumper
Default
Number
Type
Position
Jumper Description
W17
2-pin
Open
Selects onboard EEPROM as TAS1020B Firmware Source.(Not Used). Note that for this EVM the Firmware Source
EEPROM is on the USB-MODEVM.
EEPROM is on the USB-MODEVM.
W18
2-pin
Open
Selects SWOUTP to J-18. Caution: Make sure that the Class-D Output is Disabled before Installing W18.
W19
2-pin
Open
Selects SWOUTM to J-18. Caution: Make sure that the Class-D Output is Disabled before Installing W19.
Table 3. Switch SW1 Configurations
EVM
Connector Terminal Number
SW1 Switch Position = DIFF (Differential Inputs)
SW1 Switch Position = SE = Single-Ended
Connector
(Terminal 2 is always Ground.)
Inputs
J6
Terminal 1
Input to AIC3007-pin 4 = LINE1LP
Input to AIC3007-pin 4 = LINE1LP
Terminal 3
Input to AIC3007-pin 3 = MICDET/LINE1LM
Input to AIC3007-pin 5 = LINE1RP
J7
Terminal 1
Input to AIC3007-pin 5 = LINE1RP
Input to AIC3007-pin 9 = MIC3R/LINE2RM
Terminal 3
Input to AIC3007-pin 6 = MIC3L/LINE1RM
Input to AIC3007-pin 6 = MIC3L/LINE1RM
J8
Terminal 1
Input to AIC3007-pin 7 = LINE2LP
Input to AIC3007-pin 7 = LINE2LP
Terminal 3
Input to AIC3007-pin 8 = LINE2RP/LINE2LM
Input to AIC3007-pin 8 = LINE2RP/LINE2LM
Table 4. Switch SW2 Configurations
SW2 Switch Position = CAP
SW2 Switch Position = Capacitor-less
47-
µ
F capacitors in-line with HPLOUT and HPROUT to J10 (Referenced to
HPLOUT and HPROUT Direct Coupled to J10 (Referenced to HPCOM)
Ground)
Table 5. Switch SW3 Configurations
SW3 Switch Position = EXT.
SW3 Switch Position = +5VA
User Provides an External Power Supply for SVDD (Class-D Power Amplifier
EVM 5-VDC Supply used for SVDD (Class-D Power Amplifier Supply)
Supply), Max Value = 5 VDC
The TLV320AIC3007 can be powered independently when being used in stand-alone operation or by the
USB-MODEVM when it is plugged onto the motherboard.
USB-MODEVM when it is plugged onto the motherboard.
When used as a stand-alone, power is applied to J15 directly; be sure to reference the supplies to the
appropriate grounds on that connector.
appropriate grounds on that connector.
CAUTION
Before applying power to the EVM, you must verify that all power supplies are
within the safe operating limits as indicated in the
within the safe operating limits as indicated in the
J15 provides connection to the common power bus for the TLV320AIC3007EVM. Power is supplied on the
pins listed in
pins listed in
.
The TLV320AIC3007EVM-K motherboard (the USB-MODEVM Interface board) supplies power to J15 of
the TLV320AIC3007EVM. Power for the motherboard is supplied either through its USB connection or via
terminal blocks on that board.
the TLV320AIC3007EVM. Power for the motherboard is supplied either through its USB connection or via
terminal blocks on that board.
The USB-MODEVM Interface board can be powered from several different sources:
•
USB
•
6-Vdc to 10-Vdc ac/dc external wall supply (not included)
6
TLV320AIC3007EVM-K
SLAU286 – June 2009