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WM8816 - Stereo Digital Volume Control

Description

The WM8816 is a highly linear stereo volume control for audio systems.

The design is based on resistor chains with external op-amps, which provides flexibility for the supply voltage, signal swing, noise floor and cost optimisation.

The gain of each channel can be independently programmed from -111.

Features

  • peak level detection, which can be used for Automatic Gain Control. The WM8816 operates from a single +5V supply and accepts signal input levels up to ±18V. The WM8816 is available in a 16-pin SOIC package. It is guaranteed over a temperature range of -40° to 85°C. WM8816 Stereo Digital Volume Control Advanced Information, September 2000, Rev 1.1.

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Datasheet preview – WM8816

Datasheet Details

Part number WM8816
Manufacturer Wolfson Microelectronics plc
File Size 130.25 KB
Description Stereo Digital Volume Control
Datasheet download datasheet WM8816 Datasheet
Additional preview pages of the WM8816 datasheet.

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Full PDF Text Transcription

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DESCRIPTION The WM8816 is a highly linear stereo volume control for audio systems. The design is based on resistor chains with external op-amps, which provides flexibility for the supply voltage, signal swing, noise floor and cost optimisation. The gain of each channel can be independently programmed from -111.5dB to +15.5dB through a digital serial control interface. Audible clicks on gain changes are eliminated by changing gains only when a zero crossing has been detected in the signal. The device also features peak level detection, which can be used for Automatic Gain Control. The WM8816 operates from a single +5V supply and accepts signal input levels up to ±18V. The WM8816 is available in a 16-pin SOIC package. It is guaranteed over a temperature range of -40° to 85°C.
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