The Winbond W91330L is a high-performance, low-power single-chip voiceband CODEC with built-in analog front-end (AFE) for voice and audio applications. It is designed for use in telephony, voice recording, and other communication devices where high-quality voice processing is required. The W91330L integrates transmit and receive filters, A/D and D/A converters, and gain adjustment functions, providing a complete analog-to-digital and digital-to-analog conversion solution.

Applications

• Telephony devices (corded and cordless phones)
• Voice recorders
• Answering machines
• Voice pagers
• Security systems
• IoT devices requiring voice communication

Features

• Single 3V power supply operation
• Low power consumption
• Built-in transmit and receive filters
• A/D and D/A converters with high signal-to-noise ratio
• Programmable gain adjustment
• Microphone amplifier with adjustable gain
• Speaker driver with adjustable volume
• Standard linear PCM interface
• Short loop or long loop capability.
• Available in various package types

Benefits

• High-quality voice reproduction: The W91330L's high signal-to-noise ratio and integrated filters ensure clear and natural voice reproduction.
• Low power consumption: The device's low power consumption makes it ideal for battery-powered applications.
• Simplified system design: The integrated AFE reduces the need for external components, simplifying system design and reducing board space.
• Cost-effective solution: The W91330L provides a complete voiceband CODEC solution at a competitive price.
• Programmability: Programmable gain and volume controls allow for flexible system configuration.

The W91330L operates from a single 3V power supply and features low power consumption, making it suitable for portable applications. It offers a standard linear PCM interface for easy integration with digital signal processors (DSPs) and microcontrollers. The device is available in various package types to meet different application requirements. Specifically, it offers programmable gain adjustment and both microphone and speaker capabilities, allowing for full control of the audio path.