Texas Instruments manual TPA0202 Audio Power Amplifier Evaluation Module, ±2. TPA0202 EVM

The TPA0202 Audio Power Amplifier Evaluation Module

3.2 The TPA0202 Audio Power Amplifier Evaluation Module

The TPA0202 Audio Power Amplifier Evaluation Module is powered by a TPA0202 stereo power amplifier capable of delivering greater than 2 W of continuous power per channel into 3-Ωloads. The amplifier IC can be operated in either the BTL or single-ended output mode. The evaluation module includes control inputs for muting and shutdown, selection between two sets of stereo inputs, and switching between single ended and bridge-tied load output modes.

The module can be used with the TI Plug-N-Play Audio Amplifier Evaluation Platform (Figure 3±1) or wired directly into circuits or equipment. The module has single in-line header connector pins mounted to the under side of the board. These pins allow the module to be plugged into the TI platform, which automatically makes all the signal input and output, power, and control connections to the module.

The module connection pins are on 0.1-inch centers to allow easy use with standard perf board and plug board-based prototyping systems. Or, the EVM can be wired directly into existing circuits and equipment when used stand- alone.

The module appears in Figure 3±2 and its schematic is shown in Figure 3±3.

Figure 3±2. TPA0202 EVM

RHP	C7	R10	RVDD			GND		R11	ROUT+
				+		S5
									GND
GND				C11
	C6	R8						S6
RIN									ROUT±
			C8	R9		S3
									HP/L*
GND		R7				S4
				C9 C10					SE/BTL*
TPA0202 SAMPLE EVM								R12
Lit.# SLOP202			U1
		S8				D1		R13	S7
		R2
GND			C3	R4	C5		S2		MUTE
				C4
LIN	C1	R1						S1	LOUT±
GND				+
									GND
LHP		R3
	C2			C12
							R5		LOUT+
			LVDD			GND

Details 3-3