SSM2163

a Digitally Controlled 8 ؋ 2 Audio Mixer SSM2163 FEATURES Each of 8 Inputs Can Be Assigned to Either or Both Outputs Voltage Inputs and Outputs – No Need For External Amplifiers Each Input Provides 63 dB of Attenuation in 1 dB Steps, Plus Mute –82 dBu Signal-to-Noise Ratio (0 dBu = 0.775 V rms) +10 dBu of Headroom 0.007% THD+N (Unity Gain, @ 1 kHz, 0 dBu) Power-Up/System Mute Feature Industry-Standard 3-Wire Serial Interface Data Out Terminal Permits Daisy Chaining of Multiple SSM2163s Single or Dual Supply Operation 28-Pin Plastic DIP and SOIC Package APPLICATIONS Multimedia System Mixing Audio Mixing Consoles Broadcast Equipment Intercom/Paging Systems Musical Instruments GENERAL DESCRIPTION The SSM2163 provides eight audio inputs, each of which can be mixed under digital control to a stereo output. Each input channel can be attenuated up to 63 dB in 1 dB intervals, plus fully muted. Additionally, any input can be assigned to either or both outputs. A standard 3-wire serial i...