LIM Y ation. ange. R A I N pecific t to ch MITSUBISHI SOUND PROCESSOR jec al s a fin are sub t o its is n This etric lim ; e m ic Not e para m o s PRE M62421SP/FP SOUND CONTROLLER Tone and Volume Controller with 2 Line Control OUTLINE PACKAGE OUTLINE M62421SP/FP is the tone and volume controller with 2 line control. This IC can apply the broad application because of low noise and distortion. FEATURE 20 P 4 B ( SP ) PITCH : 1.78 mm •TONE(Bass/Treble) control and 1dB step volume control are enabled . •Low noise and low distortion . VNO= 4.5µVrms, THD=0.1% max •Controlling by 2 Line serial data . SIZE : 19.0 mm X 6.3 mm X 3.3 mm APPLICATION 20 P 2 N ( FP ) •Mini-Stereo , etc PITCH : 1.27 mm SIZE : 5.3 mm X 12.6 mm X 1.8 mm RECOMMENDED OPERATING CONDITION •Supply voltage range •Rated supply voltage 5.5~9.5V 9V (analog) (analog) 4.5~5.5V (digital) 5V (digital) SYSTEM BLOCK DIAGRAM Lch IN Lch OUT BASS TREBLE VOLUME TONE CONTROL Rch IN Rch OUT VOLUME D A T C L K BASS TREBLE TONE CONTROL MPU MITSUBISHI ELECTRIC ( 1 / 16 ) LIM Y ation. ange. R A I N pecific t to ch MITSUBISHI SOUND PROCESSOR jec al s a fin are sub t o its is n This etric lim ; e m ic Not e para m o s PRE M62421SP/FP SOUND CONTROLLER 420Ω 14 13 12 11 1.8K 1.8K VR3 CS AGND 16 15 DVDD OUT2 BASS2 SIMOUT2 18 17 TRE2 20 19 SIMIN 2 CH2 IN AVDD BLOCK DIAGRAM 420Ω VR5 SIMAMP2 117K ref S2 S4 S6 S8 200K 200K TONE AMP2 6.4K VR2 6.4K ref ref VOLAMP2 CONTROL LOGIC VOLAMP1 6.4K VR1 6.4K TONE AMP1 ref ref S1 S3S5 S7 200K 200K 117K SIMAMP1 VR5 420Ω VR3 1.8K 1.8K 1 2 3 4 5 6 7 8 9 10 REF CH1 IN SIMIN 1 SIMOUT 1 BASS1 TRE1 OUT1 DGND DAT CLK 420Ω MITSUBISHI ELECTRIC ( 2 / 16 ) LIM Y ation. ange. R A I N pecific t to ch MITSUBISHI SOUND PROCESSOR jec al s a fin are sub t o its is n This etric lim ; e m ic Not e para m o s PRE M62421SP/FP SOUND CONTROLLER PIN DESCRIPTION PIN No. PIN NAME I/O DESCRIPTION 1 REF I Reference voltage terminal for analog 2 CH1 IN I Input terminal (ch1) 3 SIMIN 1 I Pin for capacitor of simulated inductor 1 4 SIMOUT 1 O Pin for capacitor of simulated inductor 1 5 BASS1 I Pin for capacitor of ch1-side bass setting 6 TRE1 I Pin for capacitor of ch1-side treble setting 7 OUT1 O 8 DGND 9 DAT I I/ O terminal of DATA 2 line bus format 10 CLK I Input terminal of CLOCK 2 line bus format 11 CS I Chip select terminal 12 DVDD VDD for digital circuit 13 AGND GND for analog circuit 14 OUT2 O 15 TRE2 I Pin for capacitor of ch2-side treble setting 16 BASS2 I Pin for capacitor of ch2-side bass setting 17 SIMOUT2 O Pin for capacitor of simulated inductor 2 18 SIMIN 2 I Pin for capacitor of simulated inductor 2 19 CH2 IN I Input terminal (ch2) 20 AVDD Output terminal (ch1) Digital GND Output terminal (ch2) VCC for analog circuit MITSUBISHI ELECTRIC ( 3 / 16 ) LIM Y ation. ange. R A I N pecific t to ch MITSUBISHI SOUND PROCESSOR jec al s a fin are sub t o its is n This etric lim ; e m ic Not e para m o s PRE M62421SP/FP SOUND CONTROLLER ABSOLUTE MAXIMUM RATINGS SYMBOL PARAMETER AVdd CONDITION LIMITS UNIT Analog supply voltage 10.0 V DVdd Digital supply voltage V Pd Power dissipation Ta 25°C K Thermal Derating ratio Ta 25°C 7.0 750(SP) 550(FP) 7.5(SP) 5.5(FP) mW/°C mW Topr Operating temperature -20~+75 °C Tstg Storage temperature -40~+125 °C Power dissipation pd [mW] Thermal Derating 1000 SP 800 750mW 600 550mW FP 400 375mW 275mW 200 0 0 25 50 75 100 125 150 Ambient temperature Ta [°C] MITSUBISHI ELECTRIC ( 4 / 16 ) LIM Y ation. ange. R A I N pecific t to ch MITSUBISHI SOUND PROCESSOR jec al s a fin are sub t o its is n This etric lim ; e m ic Not e para m o s PRE M62421SP/FP SOUND CONTROLLER RECOMMENDED OPERATING CONDITION ( Ta=25°C unless otherwise noted ) ITEM Analog supply voltage Digital supply voltage H level input voltage (logic circuit) UNIT MIN TYP MAX AVDD 5.5 9.0 9.5 V DVDD 4.5 5.0 5.5 V VIH 0.7 DVDD VDD V VIL 0 0.3 DVDD V SYMBOL CONDITION L level input voltage (logic circuit) MITSUBISHI ELECTRIC ( 5 / 16 ) LIM Y ation. ange. R A I N pecific t to ch MITSUBISHI SOUND PROCESSOR jec al s a fin are sub t o its is n This etric lim ; e m ic Not e para m o s PRE M62421SP/FP SOUND CONTROLLER ELECTRIC CHARACTERISTICS ( Ta=25°C, AVDD=9V,DVDD=5V and bass and treble=0dB unless otherwise noted ) ( 1 ) SUPPLY VOLTAGE ITEM SYMBOL Analog supply current Icc Digital supply current Idd CONDITION Min •AVdd=9.0V •measure terminal=20 pin •no signal input •DVdd= 5V •measure terminal=12 pin •no signal input LIMIT typ Max UNIT 10 20 mA 0 2 µA ( 2 ) I / O CHARACTERISTICS ITEM SYMBOL CONDITION Maximum input voltage VIM 2,19pin input7,14pin output RL=10KΩ, THD=1%,f=1kHz ATT=-6dB Output voltage Vodc 7pin,14pin, no signal Gain Output noise voltage Gv Vono Total harmonic distortion THD Channel separation CT Vin=0dBm,FLAT,f=1kHz 2- 7PIN 19-14PIN gain IHF-A filter no signal Rg=10KΩ 7,14pin 7pin,14pin f=1kHz Vo=0.5Vrms , RL=10KΩ LPF=30kHz RL=10KΩ S:Vin=1Vrms,f=1kHz M:Rg=10kΩ,IHF-A filter MITSUBISHI ELECTRIC Min LIMIT typ Max UNIT Vrms 2.0 3.2 4.35 4.5 4.65 V -2 0 2 dB 4.5 10 µ Vrms 0.007 0.1 % -100 -70 dB ( 6 / 16 ) LIM Y ation. ange. R A I N pecific t to ch MITSUBISHI SOUND PROCESSOR jec al s a fin are sub t o its is n This etric lim ; e m ic Not e para m o s PRE M62421SP/FP SOUND CONTROLLER ( 3 ) TONE CHARACTERISTICS ITEM SYMBOL CONDITION Tone control gain (bass) Gbassb Gbassc f=100Hz Tone control gain (treble) Gtrebb Gtrebc f=10KHz Min LIMIT typ Max 9 -15 9 -15 12 -12 12 -12 15 -9 15 -9 Min LIMIT typ Max UNIT dB dB dB dB ( 4 ) VOLUME CHARACTERISTICS ITEM SYMBOL Maximum attenuation ATTmax Minimum attenuation ATTmin CONDITION f=1KHz, Vin=0dBm 2pin~7pin 19pin~14pin gain IHF-A-filter MITSUBISHI ELECTRIC -108 -1.5 UNIT dB -100 -80 0 dB 1.5 ( 7 / 16 ) LIM Y ation. ange. R A I N pecific t to ch MITSUBISHI SOUND PROCESSOR jec al s a fin are sub t o its is n This etric lim ; e m ic Not e para m o s PRE M62421SP/FP SOUND CONTROLLER FUNCTION EXPLANATION ( 1 ) EQUIVALENT CIRCUIT OF TONE CONTROL The resonance circuit is able to construct by using built-in amplifier for simulated inductor. (Shows the constant as follow) Inside IC Center frequency f0 = 1 / 2π R3 C1 • C2 • R1 • R2 [Hz] C1 Q= R1 (=1.8KΩ) C2 ( C2 • R2 ) / ( C1 • R1 ) . ( EX ) BASS band ( f=100Hz ) . R1=1.8KΩ , R2=117KΩ C1=0.47µ , C2=0.022µ SIMAMP R2 (=117KΩ) ref FIG1. The circuit used simulated inductor. FIG1 is equal to FIG2. The following relation is concluded. L=C2 • ER1 • ER2 ref L C1 R3 FIG2. The equivalent circuit used L. MITSUBISHI ELECTRIC ( 8 / 16 ) LIM Y ation. ange. R A I N pecific t to ch MITSUBISHI SOUND PROCESSOR jec al s a fin are sub t o its is n This etric lim ; e m ic Not e para m o s PRE M62421SP/FP SOUND CONTROLLER INPUT DATA FORMAT Input direction D0 D1 D2 D3 0/1 0/1 D4 D5 D6 D7 D8 VOLUME D9 D10 0/1 0 D11 D12 0 0/1 TREBLE BASS 1 1 1 0 0: BOTH 1: ONLY 1CHANNEL These functions are effective only VOLUME data. 0: 1ch 1: 2ch 0:MUTE OFF 1:MUTE ON DATA SELECT 0: VOLUME/MUTE 1: BASS/TREBLE If CS PIN(15 PIN) is "L" 0, and if "H" 1. MITSUBISHI ELECTRIC ( 9 / 16 ) LIM Y ation. ange. R A I N pecific t to ch MITSUBISHI SOUND PROCESSOR jec al s a fin are sub t o its is n This etric lim ; e m ic Not e para m o s PRE M62421SP/FP SOUND CONTROLLER ( 3 ) -1: volume control VOLUME CODE ATT D2 D3 D4 D5 D6 ATT D7 D8 0dB -4dB -8dB -12dB -16dB -20dB -24dB -28dB -32dB -36dB -40dB -44dB -48dB -52dB -56dB -60dB -64dB -68dB -72dB -76dB -80dB -∞dB H L L L L L H H H L H H H L L L L H H H 0dB -1dB -2dB -3dB H L H L H H L L L H L H L L H H L L H H H H L L L L H H H H L L L H H H H H H H L L L H H L L H H L L L L H H H H L L L L H H L L L L L L L L H L H L H L H L H L H L L L L L L L L L L L L L L L L MITSUBISHI ELECTRIC ( 10 / 16 ) LIM Y ation. ange. R A I N pecific t to ch MITSUBISHI SOUND PROCESSOR jec al s a fin are sub t o its is n This etric lim ; e m ic Not e para m o s PRE M62421SP/FP SOUND CONTROLLER ( 4 ) -2 : tone level control TONE CODE BASS 12dB 10dB 8dB 6dB 4dB 2dB 0dB -2dB -4dB -6dB -8dB -10dB -12dB TREBLE D7 D6 D5 D4 D3 D2 D1 D0 L L L L L L L H H H H H H H H H L L L L L L L H H H H L L H H L L L H H L L L H L H L H L H L H L H L L L L L L L L H H H H H H H H H L L L L L L L H L L H L H L H L H L H L H L H L H H H H H L L L H H L L H NOT USED HHHH LHHH HLLL (3) -3 : MUTE CONTROL On condition D9=1,MUTE can be set up. In MUTE,VOLUME LEVEL is set up VOL=-∞ automatically. MITSUBISHI ELECTRIC ( 11 / 16 ) LIM Y ation. ange. R A I N pecific t to ch MITSUBISHI SOUND PROCESSOR jec al s a fin are sub t o its is n This etric lim ; e m ic Not e para m o s PRE M62421SP/FP SOUND CONTROLLER DATA and CLOCK CLK D0 D1 D2 D3 D10 D11 D12 DAT DATA is read by CLK rise edge. Latch signal "H" Latch signal is read by CLK fall edge. MITSUBISHI ELECTRIC ( 12 / 16 ) LIM Y ation. ange. R A I N pecific t to ch MITSUBISHI SOUND PROCESSOR jec al s a fin are sub t o its is n This etric lim ; e m ic Not e para m o s PRE M62421SP/FP SOUND CONTROLLER BUS LINE TIMING SPECIFICATION tcr 75% 25% tr tf tWHC tWLC tSD Parameter tHD Symbol MIN tcr CLK clock frequency MAX Units 4 - µs The HIGH period of the clock tWHC 1.6 - µs The LOW period of the clock tWLC 1.6 - µs Rise time of CLK line tr - 0.4 µs Fall time of CLK line tf - 0.4 µs Set -up time DATA tSD 0.8 - µs Hold time DATA tHD 0.8 - µs MITSUBISHI ELECTRIC ( 13 / 16 ) LIM Y ation. ange. R A I N pecific t to ch MITSUBISHI SOUND PROCESSOR jec al s a fin are sub t o its is n This etric lim ; e m ic Not e para m o s PRE M62421SP/FP SOUND CONTROLLER LEVEL DIAGRAM INPUT TERMINAL CH1 IN G1 6.4KΩ VOLAMP1 ref 6.4KΩ -12dB ~ +12dB G2 TONEAMP1 G1 OUTPUT TERMINAL CH1 OUT 0dB ~ -∞dB 117K ref 1.8K INPUT TERMINAL CH2 IN Same to CH 1 OUTPUT TERMINAL CH2 OUT MITSUBISHI ELECTRIC ( 14 / 16 ) LIM Y ation. ange. R A I N pecific t to ch MITSUBISHI SOUND PROCESSOR jec al s a fin are sub t o its is n This etric lim ; e m ic Not e para m o s PRE M62421SP/FP SOUND CONTROLLER LOGIC CIRCUIT Analog Block ref VOLAMP1 TONE AMP1 Level Shifter Level Shifter Decoder,latch for volume control CS <D3> <D2> <D5> <D4> <D0> <D1> <D2> <D3> <D4> <D5> <D6> <D7> <D8> <D9> <D10> <D11> Timing Generator <D12> DAT CLK <D7> <D6> <D8> <D0> <D1> <D6> <D5> <D4> <D3> <D2> <D7> Decoder,latch for tone control Shift Register MITSUBISHI ELECTRIC ( 15 / 16 ) LIM Y ation. ange. R A I N pecific t to ch MITSUBISHI SOUND PROCESSOR jec al s a fin are sub t o its is n This etric lim ; e m ic Not e para m o s PRE M62421SP/FP SOUND CONTROLLER OUT2 APPLICATION EXAMPLE DVDD ref 2.2µF 0.033µF 2.2µF AGND 0.47µF 0.022µF IN2 DVDD or GND VCC 20 19 18 17 420Ω 16 15 1.8K 14 13 12 11 1.8K VR3 VR5 420Ω SIMAMP2 117K ref S2 S4 S6 S8 200K 200K TONE AMP2 6.4K VR2 6.4K ref ref VOLAMP2 CONTROL LOGIC VOLAMP1 6.4K VR1 6.4K TONE AMP1 ref ref S1 S3S5 S7 200K 200K 117KSIMAMP1 VR5 VR3 Reference circuit example 1.8K 420Ω 1 2 3 4 420Ω 1.8K 5 6 7 8 9 10 470µF 4.7K 4.7K 0.022µF Reference voltage 2.2µF 0.47µF DGND 2.2µF 0.033µF ref MPU IN1 OUT1 MITSUBISHI ELECTRIC ( 16 / 16 )