Description

The MC14LC5480 is a general purpose per channel PCM Codec–Filter with pin selectable Mu–Law or A–Law companding, and is offered in 20–pin DIP, SOG, and SSOP packages. This device performs the voice digitization and reconstruction as well as the band limiting and smoothing required for PCM systems. It is designed to operate in both synchronous and asynchronous applications and contains an on–chip precision reference voltage.

Specifications and features

• Pin for Pin Replacement for the MC145480
• Single 5 V Power Supply
• Typical Power Dissipation of 15 mW, Power–Down of 0.01 mW
• Fully–Differential Analog Circuit Design for Lowest Noise
• Transmit Band–Pass and Receive Low–Pass Filters On–Chip
• Active R–C Pre–Filtering and Post–Filtering
• Mu–Law and A–Law Companding by Pin Selection
• On–Chip Precision Reference Voltage (1.575 V)
• Push–Pull 300 Ω Power Drivers with External Gain Adjust
• MC145536EVK is the Evaluation Kit that Also Includes the MC145532 ADPCM Transcoder

Application Scenarios

The MC14LC5480 can be used in various applications where voice digitization and reconstruction are required. It is suitable for PCM systems and can operate in both synchronous and asynchronous applications. The on–chip precision reference voltage ensures accurate and reliable performance.

Comparison

• Pin for Pin Replacement for the MC145480
• Low power consumption
• Fully–Differential Analog Circuit Design for Lowest Noise
• On–Chip Precision Reference Voltage for accurate performance

• Not suitable for all types of applications
• Limited availability in specific packages