See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

YZR | 16

Temp:

I (-40 to 85)

ECO Plan:

Green (RoHS & no Sb/Br)

LM49120TL/NOPB


Audio Sub-System w/ Mono Class AB Loudspeaker Amp & Stereo OCL/SE Headphone Amp

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Texas Instruments LM49120TL/NOPB

The LM49120 is a compact audio subsystem designed for portable handheld applications such as cellular phones. The LM49120 combines a mono 1.3W speaker amplifier, stereo 85mW/ch output capacitorless headphone amplifier, 32 step volume control, and an input mixer/multiplexer into a single 16–bump DSBGA package.

The LM49120 has three input channels: two single-ended stereo inputs and a differential mono input. Each input features a 32-step digital volume control. The headphone output stage features an 8 step (-18dB – 0dB) attenuator, while the speaker output stage has two selectable (0dB/+6dB) gain settings. The digital volume control and mode control are programmed through a two-wire I2C compatible interface.

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