mitsumi q xpander processors mm1326, 1354, 1369 q xpander processors monolithic ic mm1326, 1354, 1369 outline these ics are analog stereo enhancement processors. they use patented q xpander technology to create a stereo image with depth in three dimensions from ordinary left and right input channels. there is no need for any special playback equipment; the enhanced audio effect can be experienced using standard stereo audio equipment. this ic, produced by mitsumi, faithfully incorporates algorithms developed by q sound labs, inc., the world leader in sound enhancement. features package 1. sound spreading sensation can be varied at will using an external vr (MM1354, mm1369) 2. pseudo-stereo effects can be obtained from monaural audio signals (mm1369) 3. sound spreading sensation can also be varied with a vr for pseudo-stereo from monaural input (mm1369) 4. q xpander on/off and pseudo-stereo on/off switching at ttl level 5. internal filter circuit for few external components (mm1369) 6. no need for input signal encoding or special external equipment; playback possible using ordinary stereo equipment 7. low-noise design: 55 ?rms with q xpander on (mm1326) 60 ?rms with q xpander on (MM1354) ssop-20a (mm1326aj) sdip-22a (mm1326ad, MM1354ad, MM1354bd) ssop-24a (MM1354aj) sdip-24a (mm1369ad, mm1369bd) applications 1. computer sound boards 2. active speaker systems 3. tv game equipment and other amusement devices 4. tvs, monitors, audio equipment line-up mm1326 MM1354 mm1369 variable sound spreading feature fixed variable variable pseudo-stereo no no yes function (spreading variable) operating power supply voltage 4.5~10.0 (v) 4.5~12.0 (v) 8.0~10.0 (v)
mitsumi q xpander processors mm1326, 1354, 1369 absolute maximum ratings recommended operating conditions item symbol ratings units storage temperature t stg - 40~+125 c operating temperature t opr - 20~+75 c power supply voltage v cc max. 12 v input voltage v in max. gnd < = v in < = v cc v output voltage i o max. 10 ma allowable loss pd 500 ma item symbol ratings units operating temperature t opr - 20~+75 c operating voltage v op 4.5~10.0 v electrical characteristics item measurement conditions min. typ. max. units consumption current 15 20 ma output voltage * 12 2.8 vrms voltage gain q xpander 1 sg1: 1vrms, 1khz, sg2: no signal 5 6 7 db voltage gain q xpander 2 sg1: 1vrms, 1khz, sg2: no signal - 1 0.5 2 db voltage gain q xpander 3 sg1: no signal, sg2: 1vrms, 1khz 5 6 7 db voltage gain q xpander 4 sg1: no signal, sg2: 1vrms, 1khz - 1 0.5 2 db voltage gain bypass 1 sg1: 1vrms, 1khz, sg2: no signal - 0.5 0 0.5 db voltage gain bypass 2 sg1: no signal, sg2: 1vrms, 1khz - 0.5 0 0.5 db input resistance 21 30 39 k ? power supply voltage rejection ratio v cc =9v+200mvrms, f=1khz 44 50 db total harmonic distortion ratio q xpander lch=1vrms, rch=no signal lch=no signal, rch=1vrms 0.3 0.7 % total harmonic distortion ratio bypass lch=1vrms, rch=no signal lch=no signal, rch=1vrms 0.03 0.3 % output noise voltage q xpander l, r channels=no signal, bw=20hz to 20khz, a curve 55 100 ?rms output noise voltage bypass l, r channels=no signal, bw=20hz to 20khz, a curve 15 32 ?rms sn ratio q xpander l, r channels=1vrms, 1khz, bw=20hz to 20khz, a curve 80 85 db sn ratio bypass l, r channels=1vrms, 1 khz, bw=20hz to 20 khz, a curve 90 95 db l-r channel balance l, r channels=1vrms, 1khz, bypass=0v - 10 1db bypass pin voltage (h) * 2 2.1 v bypass pin voltage (l) * 3 0.7 v bypass pin voltage (h) * 4 350 ? bypass pin voltage (l) * 5 - 10 ? * 1: output voltage amplitude at f=1 khz such that total output harmonic distortion is 1% * 2: voltage at which bypass pin (pin 2) is regarded as h (q sound mode) * 3: voltage at which bypass pin (pin 2) is regarded as l (bypass mode) * 4: when vbyp=5 v, current flowing into bypass pin (pin 2) * 5: when vbyp=0 v, current flowing from bypass pin (pin 2) [mm1326]
mitsumi q xpander processors mm1326, 1354, 1369 absolute maximum ratings recommended operating conditions item ratings units storage temperature - 40~+125 c operating temperature - 20~+75 c power supply voltage 15 v input voltage gnd < = v in < = v cc v output voltage 10 ma allowable loss 650 ma item ratings units operating temperature - 20~+75 c operating voltage 4.5~12.0 v electrical characteristics item measurement conditions min. typ. max. units consumption current 16 21 ma voltage gain q xpander 1 sg1:1vrms, 1khz, sg2: no signal 3 4 5 db voltage gain q xpander 2 sg1:1vrms, 1khz, sg2: no signal - 1 0.5 2 db voltage gain q xpander 3 sg1: no signal, sg2: 1vrms, 1khz 3 4 5 db voltage gain q xpander 4 sg1: no signal, sg2: 1vrms, 1khz - 1 0.5 2 db voltage gain bypass 1 sg1:1vrms, 1khz, sg2: no signal - 5.6 - 5.1 - 4.6 db voltage gain bypass 2 sg1: no signal, sg2: 1vrms, 1khz - 5.6 - 5.1 - 4.6 db input resistance 21 30 39 k ? input voltage amplitude (1) * 11 1.4 vrms input voltage amplitude(2) * 2 0.5 0.7 vrms total harmonic distortion ratio q xpander lch=1vrms, rch=no signal, lch=no signal, rch=1vrms 0.4 1.0 % total harmonic distortion ratio bypass lch=1vrms, rch=no signal, lch=no signal, rch=1vrms 0.03 0.3 % output noise voltage q xpander l, r channels=no signal, bw=20hz to 20khz, a curve 60 100 ?rms output noise voltage bypass l, r channels=no signal, bw=20hz to 20khz, a curve 15 32 ?rms l-r channel balance l, r channels=1vrms, 1khz, bypass=0v - 10 1db bypass pin voltage (h) * 3 2.1 v bypass pin voltage (l) * 4 0.7 v bypass pin voltage (h ) * 5 350 ? bypass pin voltage (l) * 6 - 10 ? * 1: input voltage amplitude at f=1 khz such that total output harmonic distortion is 1%. however, signals input to sg1 and sg2 are in phase (phase difference 0 ). * 2: input voltage amplitude at f=1 khz such that total output harmonic distortion is 1%. however, signals input to sg1 and sg2 are opposite in phase (phase difference 180 ). * 3: voltage at which bypass pin (pin 22) is regarded as h * 4: voltage at which bypass pin (pin 22) is regarded as l * 5: when vbyp=5v, current flowing into bypass pin * 6: when vbyp=0v, current flowing from bypass pin [MM1354]
mitsumi q xpander processors mm1326, 1354, 1369 absolute maximum ratings recommended operating conditions item ratings units storage temperature - 40~+125 c operating temperature - 20~+75 c power supply voltage 15 v input voltage gnd < = v in < = v cc v output voltage 10 ma allowable loss 650 ma item ratings units operating temperature - 20~+75 c operating voltage 8.0~10.0 v electrical characteristics item measurement conditions min. typ. max. units consumption current 20 26 ma voltage gain q xpander 1 sg1: 1vrms, 1khz, sg2: no signal 1.5 3.5 5.5 db voltage gain q xpander 2 sg1: 1vrms, 1khz, sg2: no signal - 20 2db voltage gain q xpander 3 sg1: no signal, sg2: 1vrms, 1khz 1.5 3.5 5.5 db voltage gain q xpander 4 sg1: no signal, sg2: 1vrms, 1khz - 20 2db voltage gain bypass 1 sg1: 1vrms, 1khz, sg2: no signal - 7.5 - 5.5 - 3.5 db voltage gain bypass 2 sg1: no signal, sg2: 1vrms, 1khz - 7.5 - 5.5 - 3.5 db voltage gain pseudo-stereo 1 sg: 1vrms, 1khz, sg2: no signal - 9.5 - 7.5 - 5.5 db voltage gain pseudo-stereo 2 sg1: no signal, sg2: 1vrms, 1khz - 7.5 - 5.5 - 3.5 db output phase (1) sg1: 1vrms, 1khz, sg2: no signal - 75 - 60 - 45 db output phase (2) sg1: no signal, sg2: 1vrms, 1khz - 140 - 125 - 110 db input resistance (1) vbyp1, 2=0v, f=20hz 21 30 39 k ? input resistance (2) vbyp1, 2=0v, f=1khz 8 11 14 k ? input resistance (3) vbyp1, 2=0v, f=20khz 5 7 9 k ? input voltage amplitude (1) * 11 1.4 vrms input voltage amplitude (2) * 2 0.5 0.7 vrms total harmonic distortion ratio q xpander lch=1vrms, rch=no signal, lch=no signal, rch=1vrms 0.4 1 % total harmonic distortion ratio bypass lch=1vrms, rch=no signal, lch=no signal, rch=1vrms, vbyp=0v 0.4 0.8 % output noise voltage q xpander l, r channels=no signal, bw=20hz to 20khz, a curve, vbyp2=0v 75 150 ?rms output noise voltage bypass l, r channels=no signal, bw=20hz to 20khz, a curve, vbyp1,2=0v 20 40 ?rms l-r channel balance l, r channels=1vrms, 1khz, vbyp1,2=0v - 1.5 0 1.5 db bypass pin voltage (h) * 3 2.1 v bypass pin voltage (l) * 4 0.7 v bypass pin voltage (h) vbyp=5v * 5 350 ? bypass pin voltage (l) vbyp=0v * 6 - 10 ? pin 13 offset voltage vbyp1=0v * 7 - 30 0 30 mv pin 3 offset voltage vbyp1=0v * 8 - 30 0 30 mv pin 4 offset voltage vbyp1=0v * 9 - 30 0 30 mv pin 5 offset voltage vbyp1=0v * 10 - 30 0 30 mv * 1: input voltage amplitude at f=1 khz such that total output harmonic distortion is 1%. however, signals input to sg1 and sg2 are in phase (phase difference 0 ). * 2: input voltage amplitude at f=1 khz such that total output harmonic distortion is 1%. however, signals input to sg1 and sg2 are opposite in phase (phase difference 180 ). * 3: voltage at which bypass pin (pin 22) is regarded as h * 4: voltage at which bypass pin (pin 22) is regarded as l * 5: when vbyp=5v, current flowing into bypass pin * 6: when vbyp=0v, current flowing from bypass pin * 7: defined as the difference in pin 13 dc output voltages on switching from normal stereo mode to pseudo-stereo mode. * 8: defined as the difference in pin 3 dc output voltages on switching from normal stereo mode to pseudo-stereo mode. * 9: defined as the difference in pin 4 dc output voltages on switching from normal stereo mode to pseudo-stereo mode. * 10 : defined as the difference in pin 5 dc output voltages on switching from normal stereo mode to pseudo-stereo mode. [mm1369]
mitsumi q xpander processors mm1326, 1354, 1369 block diagram and application circuits [mm1326]
mitsumi q xpander processors mm1326, 1354, 1369 block diagram and application circuits [MM1354]
mitsumi q xpander processors mm1326, 1354, 1369 block diagram and application circuits [mm1369]
mitsumi q xpander processors mm1326, 1354, 1369 10.0 100.0 1.0k frequency (hz) hz (log) 10.0k 100.0k 10.0 0 - 10.0 - 20.0 - 30.0 - 40.0 voltage gain gr (db) characteristics [mm1326] l in -r out (r in -l out ) frequency characteristic l in -r out (r in -l out ) voltage gain - frequency 10.0 100.0 1.0k frequency (hz) hz (log) 10.0k 100.0k 15.0 10.0 5.0 0 - 5.0 - 10.0 voltage gain gr (db) l in -l out (r in -r out ) frequency characteristic l in -l out (r in -r out ) voltage gain - frequency 10.0 100.0 1.0k frequency (hz) hz (log) 10.0k 100.0k 10.0 0 - 10.0 - 20.0 - 30.0 - 40.0 voltage gain gr (db) [MM1354] l in -r out (r in -l out ) frequency characteristic l in -r out (r in -l out ) voltage gain - frequency 10.0 100.0 1.0k frequency (hz) hz (log) 10.0k 100.0k 15.0 10.0 5.0 0 - 5.0 - 10.0 voltage gain gr (db) l in -l out (r in -r out ) frequency characteristic l in -l out (r in -r out ) voltage gain - frequency 10.0 100.0 1.0k frequency (hz) hz (log) 10.0k 100.0k 10.0 0 - 10.0 - 20.0 - 30.0 - 40.0 voltage gain gr (db) [mm1369] l in -r out (r in -l out ) frequency characteristic l in -r out (r in -l out ) voltage gain - frequency 10.0 100.0 1.0k frequency (hz) hz (log) 10.0k 100.0k 15.0 10.0 5.0 0 - 5.0 - 10.0 voltage gain gr (db) l in -l out (r in -r out ) frequency characteristic l in -l out (r in -r out ) voltage gain-frequency
mitsumi q xpander processors mm1326, 1354, 1369 speakers with balance control speakers with balance volume controls or balance c entered v olume left v olume right 3. speaker orientations should be the same 4. right and left channel volumes should be equal 5. listening is best midway between the speakers ideal settings for q sound 1. speaker heights should be equal 2. speaker faces should be aligned
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