GENERAL DESCRIPTION

The SSM2160 and SSM2161 allow digital control of volume of six and four audio channels, respectively, with a master level control and individual channel controls.

FEATURES

Clickless Digitally Controlled Level Adjustment

SSM2160: Six Channels

SSM2161: Four Channels

7-Bit Master Control Gives 128 Levels of Attenuation

5-Bit Channel Controls Give 32 Levels of Gain

Master/Channel Step Size Set by External Resistors

100 dB Dynamic Range

Automatic Power On Mute

Excellent Audio Characteristics:

0.01 THD+N

0.001 IMD (SMPTE)

–90 dBu Noise Floor

–80 dB Channel Separation

90 dB SNR

Single and Dual Supply Operation

APPLICATIONS

Home Theater Receivers

Surround Sound Decoders

Circle Surround* and AC-3* Decoders

DSP Soundfield Processors

HDTV and Surround TV Audio Systems

Automotive Surround Sound Systems

Multiple Input Mixer Consoles and Amplifiers