The LM4550VH is an audio codec integrated circuit (IC) with a serial data interface. It is designed for AC '97 audio applications and operates @ a voltage supply of 4.2V to 5.5V for analog and 3V to 5.5V for digital.

• The LM4550VH has a resolution: of 18 bits and features two ADCs and two DACs.
• It offers a sigma delta architecture: and has a dynamic range of 90dB for ADCs and 89dB for DACs.
• This IC is surface mountable: with a 48-LQFP package and is supplied in bulk.
• It has an operating temperature range: of -40°C to 85°C.
• The LM4550VH is an active product: from National Semiconductor (TI) and is suitable for use in AC '97 audio applications.