BD88210GUL-E2

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Class AB
Output Type:	2-Channel (Stereo)
Max Output Power x Channels @ Load:	80mW x 2 @ 16 Ohm
Voltage - Supply:	2.4 V ~ 5.5 V
Features:	Short-Circuit and Thermal Protection
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Supplier Device Package:	VCSP50L2
Package / Case:	14-UFBGA, WLCSP

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Introduction

The BD88210GUL-E2 is an audio amplifier designed with a working principle based on linear amplification. As a part of the BD88x family of linear amplifiers from Rohm Semiconductor, this particular device is designed for use in audio applications, such as audio frequency, voice and speech instruments.

Application Field

The BD88210GUL-E2 is primarily designed for use in audio applications, such as audio frequency, voice, and speech instruments. It is a versatile device capable of performing in any audio amplifier application requiring input signals up to 40V Level, with high output impedance and capability to drive up to 5W P.M.P.P if supplied from a 21V supply, or up to 10W P.M.P.P if supplied from an 18V supply.The device features a unity-gain stable amplifier configuration, making it suitable for generating higher output power with low gain and a minimum amount of distortion. This makes it ideal for audio amplification applications, such as public-address systems, microphones amplifiers, speech recognition, and portable amplifiers.Possible applications include:• Microphone amplifiers• Public address systems• Speech recognition systems• Portable amplifiers• Audio frequency instrumentation• Audio frequency measurements• Voice and speech amplifiers

Working Principle

The BD88210GUL-E2 operates on the principle of linear amplification. It is designed to provide Class A/B amplification with low gain, to minimize distortion and noise. The amplifier is designed to drive an output load of up to 5W P.M.P.P with a supply voltage of 21V, and up to 10W P.M.P.P with a supply voltage of 18V.The device is provided with a high-RMS-power dissipation and high-Efficiency class-A/B architecture, allowing for superior thermal performance and power dissipation when driving heavier loads.The amplifier features increased output impedance, so that the output electrodes are not affected by loading and can drive loads with minimum power dissipation. This makes it ideal for use in audio systems where the output signals need to drive heavier loads, such as public address systems and other powerful audio applications.The device is also designed to be protected against over-current and over-temperature conditions, preserving the amplifier components and ensuring the unit’s long-term reliability.To ensure minimal signal distortion, the device uses low duty-cycle negative-current suppression circuits for better signal fidelity.

Conclusion

The BD88210GUL-E2 is a linear amplifier designed for use in audio applications, such as audio frequency, voice and speech instruments. It is designed to deliver high output driving capacity and superior thermal performance, with low gain and minimal signal distortion. Furthermore, the device is provided with a high RMS-power dissipation and high-efficiency class-A/B architecture, for superior thermal performance and power dissipation even when driving heavier loads.

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