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Part Number
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LM49155 |
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Manufacturer
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National Semiconductor Corporation |
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Description
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Uplink Noise Suppression & Downlink SNR Enhancement Analog Audio Subsystem |
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Published
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Oct 20, 2010 |
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Detailed Description
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DataSheet.in
LM49155 Product Brief
LM49155 PRODUCT BRIEF
PRELIMINARY
July 21, 2010
Uplink Noise Suppression & Downli...
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Datasheet
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LM49155
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Overview
DataSheet.
in
LM49155 Product Brief
LM49155 PRODUCT BRIEF
PRELIMINARY
July 21, 2010
Uplink Noise Suppression & Downlink SNR Enhancement Analog Audio Subsystem
General Description
The LM49155 is a fully integrated audio subsystem designed for portable handheld applications such as cellular phones.
The LM49155 combines a Noise Suppression microphone amplifier, a 1.
35W mono class D amplifier with ALC, class AB earpiece driver with AGC, a high efficiency, stereo, ground referenced headphone amplifier with click pop suppression and I2C modes select and volume control.
The LM49155 features analog fully differential input, and differential output microphone amplifier designed to reduce backgroun...
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