MS6274

MOSA MS6274 Volume Controller with soft step IC Stereo Audio Volume Controller With Soft Steps, 4 Stereo(1 quasi-differential) Inputs, Low voltage, Gain/Loss, Low power consumption. FEATURES ‧ Operation range: 2.5V~6.5V. ‧ One quasi-differential input. ‧ Input Gain: 0dB ~ +15dB. ‧ Soft step volume control：-79dB ~ +15dB. ‧ Low power consumption. ‧ Good PSRR and low pop noise. ‧ I2C interface. ‧ Housed in 16 pin SSOP packages. APPLICATIONS ‧ Multimedia system ‧ Hi-Fi audio system. ‧ Bluetooth. ‧ DAB DESCRIPTION The MS6274 is a stereo audio volume controller IC with 4 sets of stereo inputs(1 quasi-differential Input). It has Input gain(0 ~ +15dB), Soft step volume control(-79dB ~ +15dB) with programmable blend times. It uses CMOS technology specially for the low voltage application with low noise, rail-to-rail output. BLOCK DIAGRAM MS6274 L-IN1 L-IN2 L-IN3 L-IN4/DiffL NC/DiffG R-IN4/DiffR R-IN3 R-IN2 R-IN1 INPUT Mux Gain 0dB ~ 15dB Input Gain -79dB ~ +...