Texas Instruments SLOU023A Using The TPA112 MSOP EVM Stand-Alone, Details, + 33 ∝ F - 1000 ∝ F

Using The TPA112 MSOP EVM Stand-Alone

3.4 Using The TPA112 MSOP EVM Stand-Alone

Using the TPA112 MSOP audio power amplifier evaluation module stand-alone is much the same as using it with the platform. The same 2.5-V to 5.5-V power supply requirement exists.

3.4.1TPA112 MSOP EVM Connected as a Stereo Headphone Amplifier

Figure 3–7. TPA112 MSOP EVM Connected as a Stereo Headphone Amplifier

5 VDC

Audio

Input

(Right)

			TEXAS		Vdd				GND
		INSTRUMENTS			+
							C5
	IN1–				C4
	IN1+					R7
				C1				R8
				R1					Vo1
				R2
									GND
		R5		R3
R6				R4
				C2					C6
C3				U2

+

33 ∝ F – 1000 ∝ F

Audio

Input (Left)

		C7 R9 R10	GND
IN2–	JP1		Vo2
		SLOP126

IN2+ TPA112 MSOP EVM

+

33 ∝ F – 1000 ∝ F

† Due to the very small size of the MSOP IC package, the standard part number TPA112 is replaced with the code TIAAD

3-10 Details