Texas Instruments manual 3.7 TPA005D12 Class-DEVM Interconnects, Details

TPA005D12 Class-D EVM Interconnects

3.7 TPA005D12 Class-D EVM Interconnects

Table 3±4 shows the correlation between the TPA005D12 class-D amplifier IC pins, the EVM pins, and the plug-n-play (PNP) platform sockets.

Table 3±4. TPA005D12 Class-D EVM/Plug-N-Play Platform Interconnects

	CLASS-D EVM		PLUG-N-PLAY PLATFORM
IC PIN	EVM PIN	FUNCTION ON EVM	PNP SOCKET	FUNCTION ON PLATFORM
8, 9 16, 21, 28	VDD	Power for left channel, input, and	VDD	Power from J1, J2, J6, or B1
		headphone circuits
40, 33	VDD2	Power for right channel circuits	VDD	Power from J1, J2, J6, or B1
3, 7, 12, 13, 20,	GND	Analog and power ground for EVM,	GND	Ground for platform from J1, J2,
27, 36, 37, 46,		all pins		J6, or B1
47
44	RIN+	Class-D right channel positive input	Right In (line)	Right channel input from J3 or J4
45	RIN±	Class-D right channel inverted input	GND	Ground for platform from J1, J2,
				J6, or B1
38, 39	Rout+	Class-D right channel positive out-	Right Out +	Right channel positive output to J7
		put		or J8
34,35	Rout±	Class-D right channel inverted out-	Right Out ±	Right channel negative output to
		put		J7 or J8
5	LIN+	Class-D left channel positive input	Left In (line)	Left channel input from J4 or J5
4	LIN±	Class-D left channel inverted input	GND	Ground for platform from J1, J2,
				J6, or B1
10, 11	Lout+	Class-D left channel positive output	Left Out +	Left channel positive output to J8
				or J9
14, 15	Lout±	Class-D left channel inverted output	Left Out ±	Left channel negative output to J8
				or J9
2	Mute	Mute control external input pin: ac-	N/C	No connect
		tive low Ð selected amplifier active
		when held > 2 V
1	SD	Shutdown control external input pin:	Mute	Mute control from JP6 for use
		active low Ð normal operation when		when testing a headphone amplifi-
		held > 2 V		er in socket U5 in conjunction with
				an EVM in U2/U3/U4
41	TP4	Fault±1: Logic level fault±1 output	N/C	No connect
		signal. MSB. Open drain.
42	TP3	Fault±0: Logic level fault±0 output	N/C	No connect
		signal. LSB. Open drain.

3-24 Details