This document introduces Analog Devices' SSM2160/SSM2161, a 6-channel/4-channel serial input master/balance volume control. The product features clickless digitally controlled level adjustment, 128 levels of attenuation, 32 levels of gain, automatic power on mute, etc.
The SSM2160 and SSM2161 are six and four-channel, serial input master/balance volume controls designed for high-performance audio applications. These devices utilize low distortion Voltage Controlled Amplifiers (VCAs) to provide clickless digitally controlled level adjustment. The SSM2160 offers six channels while the SSM2161 provides four channels, both featuring a 7-bit master control for 128 levels of attenuation and 5-bit channel controls for 32 levels of gain.
| Channels | SSM2160: Six Channels; SSM2161: Four Channels |
|---|---|
| Total Harmonic Distortion + Noise | 0.01% (Typ) |
| Dynamic Range | 100 dB |
| Supply Voltage (SSM2160 Single) | +10 V to +20 V |
| Supply Voltage (SSM2161 Single) | +8.5 V to +20 V |
| Operating Temperature Range | 0 °C to +70 °C |
The SSM2160 has six channels and the SSM2161 has four channels.
The noise floor is –90 dBu.
The minimum resistive load is 10 kΩ.