TLV2464IPWG4

Voltage - Input Offset:	500µV
Base Part Number:	TLV2464
Supplier Device Package:	14-TSSOP
Package / Case:	14-TSSOP (0.173", 4.40mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply, Single/Dual (±):	2.7 V ~ 6 V, ±1.35 V ~ 3 V
Current - Output / Channel:	80mA
Current - Supply:	550µA
Series:	--
Current - Input Bias:	1.3nA
Gain Bandwidth Product:	6.4MHz
Slew Rate:	1.6 V/µs
Output Type:	Rail-to-Rail
Number of Circuits:	4
Amplifier Type:	General Purpose
Part Status:	Active
Packaging:	Tube

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Introduction
TLV2464IPWG4 is a low voltage operation bipolar CMOS integrated circuit with a typical output power of 4 mW. This device is part of Linear-Amplifiers Instrumentation, OP Amps, Buffer Amps family and it is designed to amplify audio signals. It features a low voltage operation between 2.7V and 5.5V, 600 mV single-ended/1200 mV differential common-mode input range, internal gain of 32 V/V, and it is capable of driving up to 3 mW into 8 Ohm speaker. This device’s low power consumption and low voltage operation makes it suitable for portable and battery-powered applications. Application Field
The TLV2464IPWG4 is used in a wide range of audio amplification applications, including portable media players, microphones, portable speakers, and headsets. This device is also suitable for a variety of other audio applications such as portable gaming consoles, smart phones, and even automotive audio systems. Additionally, its low voltage operation also allows it to be used for low power applications, such as hearing aids and medical devices.Working Principle
The TLV2464IPWG4 is a voltage amplifier that uses a pair of NPN and PNP transistors to amplify the input voltage. The amplifier is biased to a fixed quiescent current, which determines the device’s quiescent power consumption. The quiescent current is normally adjusted to the proper level prior to use in order to improve the device’s efficiency. To amplify the input signal, the amplifier uses a pair of differential amplifiers. The two amplifiers each have their respective inputs, and the output of one amplifier is connected to the input of the other. The output of the second amplifier amplifies the voltage output of the first in order to produce an amplified output voltage. The amplifier can also be adjusted to provide a closed loop response, which can be used to improve the frequency response of the amplifier and compensate for any external frequency disturbances. The output of the amplifier is connected to a speaker, and the amplifier is then able to produce an amplified audio signal. The amplifier is also able to accept a stereo input, allowing for greater flexibility in its application uses. Additionally, the amplifier can also be used in bridge mode to drive two separate speakers with the same amplified signal. Conclusion
The TLV2464IPWG4 is part of the Linear-Amplifiers Instrumentation, OP Amps, Buffer Amps family and it is designed for low voltage operation between 2.7V and 5.5V. It is suitable for a variety of audio applications, both in portable and automotive applications, and it is capable of driving up to 3 mW into 8 Ohm speakers. This device’s quiescent current can be adjusted to improve its overall efficiency, and it is also able to accept a stereo input signal for applications that require multiple speakers.

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