M61528FP

M61528FP SCF TYPE FIXED EQUALIZER FOR CAR AUDIO REJ03F0040-0101Z Rev.1.1 Dec.17.2003 Features Fixed equalizer(3 bands equalizer with SCF)  4 independent fixed equalizer controls.  Reduce the external C,R parts by using SCF (Switched Capacitor Filter) technology. FADER  4 independent fader controls.  0dB to –50dB/2dBstep, -∞dB  Built-in Soft-changing circuit for switching-noise. Application Car Audio Recommended Operating Condition Supply voltage range 7.0V to 9.0V Rated supply voltage 8.0V System Configurations Fixed Equalizer FL IN FADER FR-ch FRIN FADER RL-ch RLIN FADER RR-ch RRIN FADER FL-ch Power supply Microcomputer interface OSC SACTIVE CLOC K VREF VCC GND DATA Rev.1.1, Dec.17.2003, page 1 of 30 OSCR M61528FP Function Fixed equalizer Frequency range Low Mid High Center frequency f0[Hz] 120, 150, 200, 300 800, 1.2K, 1.5K, 2K, 3K 8K, 10K, 18K Control range 0dB to –8dB / 0.5dB step +4dB to –8dB / 0.5dB step +8dB to –8dB / 0.5dB step Quality factor Q FRONT : 1.5 to 3.0 / 0.5 step REAR : 2.0 to 4.0 / 0.5 step 0.8 to 2.0 / 0.2 step 0.4 to 1.0 / 0.2 step Note. 4 independent each equalizer controls. FADER  0dB to –50dB / 2dB , -∞dB ( 4 independent fader controls )  The Soft-changing can work in gain step by 2dB.  Refer to 15 page for Soft-changing. Pin configuration(top view) VREFIN GND FLIN FRIN RLIN RRIN DGND TEST NC NC NC OSCR 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 VCC FLOUT FROUT RLOUT RROUT GND DGND DATA...