DRV612RGTT Integrated Circuits (ICs)

Series:	DirectPath™
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Class AB
Output Type:	2-Channel (Stereo)
Max Output Power x Channels @ Load:	--
Voltage - Supply:	3 V ~ 3.6 V
Features:	Depop, Mute, Short-Circuit and Thermal Protection
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Supplier Device Package:	16-QFN (3x3)
Package / Case:	16-VFQFN Exposed Pad
Base Part Number:	DRV612

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DRV612RGTT Application Field and Working Principle

DRV612RGTT is a type of audio amplifier, classifying under linear amplifiers. It is mainly used in audio field, such as speaker protection, amplifying in the field of sound and mixing, microphone, etc. Its common applications may include karaoke, home theatre, and other Hi-Fi audio equipments.DRV612RGTT works in an analog manner. It mainly consists of an op-amp, and a complementary MOSFETs based output stage. On top of that, it also equips a few MIDI-controllable parameters, such as gain, frequency response, and input level, allowing it to be adjustable for different sound features. Besides, DRV612RGTT also includes an overload detection circuit, allowing protection for the speaker from exceeding the intensity of audio signals.The basic working principle of DRV612RGTT is to amplify input signals, through the processes of voltage or current amplification. It can be connected in two different modes, single ended or balanced. The op-amp firstly amplifies the low-level input signals, and the outputs are then inverted in phase by the differential amps. The outputs combined become the balanced output of the amplifier. The complementary output stage then converts the balanced output signals into single phase.Next, the conversion of the single phase signals into power pass through the MOSFETs. The drain of the two pairs of MOSFETs are connected in a source-connected manner, featuring voltage and current conduction ability. Depending on the size of the MOSFETs and the load, the power output is then determined. DRV612RGTT also features a few protections, such as turn-on and turn-off delays, over-power and over-temperature protections for protecting the amplifier itself.In conclusion, DRV612RGTT is a linear amplifier specially designed for audio applications. It enhances or alters sound signals from low level input signals to amplified outputs using MOSFETs and op-amps . It amplifies signals with few MIDI-controllable parameters, and provides overload protection for the speaker.

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