AC ??7 Codec with National 3D Sound

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AC ’97 Codec with National 3D Sound

General Description\nThe LM4540 is an audio codec for PC systems which performs the analog-intensive function of the Analog Codec ’97 Rev 1.03 architecture. Using 18-Bit Σ? A/D and D/A convert ers, the LM4540 provides 90dB of dynamic range.\nThe LM4540 was designed specifically to provide a high qua ■ Audio Codec ’97 compliant\n■ Stereo 18-Bit Σ? A/D’s and D/A’s with 128X oversampling\n■ National’s 3D Sound circuitry\n■ Power management support\n■ Digital Interface 3V and 5V compliantApplications\n■ PC Audio Systems Requiring Only 2 Stereo Inputs (CD,\n?? Line) and 3 Mono Inputs (Mic, Phone, PC;

TI

德州儀器

AC ??7 Codec with National 3D Sound

文件：298.51 Kbytes 頁數(shù)：16 Pages

NSC

國(guó)半

Package：48-LQFP；包裝：卷帶（TR） 類別：集成電路（IC） 編解碼器 描述：IC AUDIO CODEC '97 18BIT 48LQFP

TI

德州儀器