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 .
SCF TYPE FIXED EQUALIZER FOR CAR AUDIO
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.