References, 33 ∝F ± 1000 ∝F | Texas Instruments TPA6110A2 MSOP

References

2.4 References

2.4.1TPA6110A2 MSOP EVM Connected as a Stereo Headphone Amplifier

Figure 2±3. TPA6110A2 MSOP EVM Connected as a Stereo Headphone Amplifier

5 VDC

Shutdown

Audio Input

(Right)

Shutdown		VDD
	S1
IN1	C3	R2
GND R1
C1
U1
C2	R3	R4

GND

Vo1

GND

33 ∝F ± 1000 ∝F

Audio Input

(Left)

	TEXAS
	INSTRUMENTS	GND
IN2	SLOP338	Vo2
GND	TPA6110A2 MSOP EVM

+	33 ∝F ± 1000 ∝F

² Due to the very small size of the MSOP IC package, the standard part number TPA6110A2 is replaced with the code TIAIZ.

2.4.2TPA6110A2 MSOP EVM Schematic Diagram

Figure 2±4. TPA6110A2 MSOP EVM Schematic Diagram

Audio Input 1

Shutdown

(VDD to

Shutdown)

Audio Input 2

C3	R2	1		8
C3	20 kΩ	1		8
1 ∝F	20 kΩ	Bypass	IN 1
1 ∝F	C1	Bypass	IN 1
	C1					R5
	1 ∝F					R5
	1 ∝F					82 kΩ
S1			Vo1	7		82 kΩ
S1		2	Vo1	7				Vo1
		2						Vo1
V		GND TPA6110A2
DD		MSOP						VDD
SHUTDOWN		MSOP						VDD
SHUTDOWN		3		6			C5	2 to 5.5 V
					C4			2 to 5.5 V
			VDD		C4			+
		Shutdown	VDD		1	∝	10 ∝F
	R1				1	F
	R1							GND
	82 kΩ							GND
C2	R3	4	Vo2	5				Vo2
1 ∝F	R3	IN 2	Vo2					Vo2
1 ∝F	20 kΩ
	20 kΩ
		R4, 82 kΩ

Operation 2-5

TPA6110A2 MSOP specifications

The Texas Instruments TPA6110A2 is a highly regarded audio amplifier designed for high-fidelity audio applications. This device is particularly useful for powering headphones and speakers in portable and consumer electronics.

One of the standout features of the TPA6110A2 is its compact size, housed in an MSOP-8 package. This allows designers to save space on their printed circuit boards, a critical factor in today’s sleek and portable devices. The amplifier is designed to deliver a high output power of up to 175 mW into a 16-ohm load, making it suitable for driving a wide variety of headphones and speakers with excellent sound quality.

The TPA6110A2 employs advanced technology to ensure optimal audio performance. It incorporates high-performance, low-noise operational amplifiers that help reduce distortion and enhance overall audio clarity. With a typical total harmonic distortion plus noise (THD+N) rating of merely 0.05%, the TPA6110A2 delivers clean and clear audio signals, promoting an immersive listening experience.

Another crucial characteristic of the TPA6110A2 is its efficiency. The amplifier operates with a typical power supply voltage range of 2.5 V to 5.5 V, allowing it to be powered by a variety of battery sources while maintaining low power consumption. This feature is particularly beneficial for battery-powered devices, as it prolongs battery life without sacrificing audio quality.

The device also includes integrated thermal protection and short-circuit protection, ensuring reliable operation even in rigorous conditions. This makes the TPA6110A2 suitable for use in both consumer audio products and professional audio devices.

Furthermore, the TPA6110A2 supports a wide range of audio input formats, making it versatile for a diverse set of applications. Its capacity for low radio frequency interferibility adds to its appeal in applications where digital signals must coexist without degrading sound quality.

In summary, the Texas Instruments TPA6110A2 MSOP is a powerful, efficient, and compact audio amplifier designed to meet the demands of modern audio electronics. With its high output power, low distortion, and advanced protective features, it is an excellent choice for designers aiming to elevate audio performance in their products while conserving space and power.