Datasheet Details
| Part number | LM4545 |
|---|---|
| Manufacturer | National Semiconductor (now Texas Instruments) |
| File Size | 327.51 KB |
| Description | AC97 Codec |
| Datasheet |
 LM4545 Datasheet
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General Description
The LM4545 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 converters, the LM4545 provides 90dB of dynamic range.
Key Features
- full duplex stereo A/D’s and D/A’s and an analog mixer with 4 stereo and 3 mono inputs, each of which has separate gain, attenuation and mute control. In addition, the LM4545 provides a stereo headphone amplifier with an independent gain control and National’s 3D Sound stereo enhancement technology. The LM4545 features AC-Link, a synchronous, fixed rate serial bus for connection to the digital AC ’97 Controller. The separation of the analog and digital functions of the AC ’97 architecture allows.