LM4895

LM4895 Description

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LM4895 Datasheet (PDF)

LM4895 Price & Availability

LM4895 Features

• Fully differential amplification
• Internal-gain-setting resistors
• Available in space-saving packages micro SMD, MSOP and LLP
• Ultra low current shutdown mode
• Can drive capacitive loads up to 500 pF
• Improved pop & click circuitry eliminates noises during turn-on and turn-off transitions
• 2.2 - 5.5V operation
• No output coupling capacitors, snubber networks or bootstrap capacitors required
• Shutdown high or low selectivity

LM4895 Description

The LM4895 is a fully differential audio power amplifier primarily designed for demanding applications in mobile phones and other portable communication device applications. It is capable of delivering 1 watt of continuous average power to an 8 load with less than 1% distortion (THD+N) from a 5V_DC power supply.

Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components. The LM4895 does not require output coupling capacitors or bootstrap capacitors, and therefore is ideally suited for mobile phone and other low voltage applications where minimal power consumption is a primary requirement.

The LM4895 features a low-power consumption shutdown mode. To facilitate this, Shutdown may be enabled by either logic high or low depending on mode selection. Driving the shutdown mode pin either high or low enables the shutdown select pin to be driven in a likewise manner to enable Shutdown. Additionally, the LM4895 features an internal thermal shutdown protection mechanism.

The LM4895 contains advanced pop & click circuitry which eliminates noises which would otherwise occur during turn-on and turn-off transitions.

The LM4895 has an internally fixed gain of 6dB.

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