MITSMI MM1369AD, MM1354AJ, MM1354BD, MM1326AD Datasheet

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

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 µVrms with Q Xpander on (MM1326)

60 µVrms with Q Xpander on (MM1354)

Package

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

Pseudo-stereo

function (spreading variable)

Operating power

supply voltage

Fixed Variable Variable

No No

4.5~10.0 (V) 4.5~12.0 (V) 8.0~10.0 (V)

Yes

MITSUMI

[MM1326]

Absolute Maximum Ratings

Item Symbol Ratings Units

Storage temperature T

Operating temperature T

Power supply voltage V

Input voltage V

Output voltage I

Allowable loss Pd 500 mA

STG

OPR

CC max. 12 V

IN max. GND

O max. 10 mA

Recommended Operating Conditions

Item Symbol Ratings Units

Operating temperature T

Operating voltage V

OPR

OP 4.5~10.0 V

Q Xpander Processors MM1326, 1354, 1369

-

40~+125

-

20~+75

<

IN

V

=

-

20~+75

<

CC V

V

=

°

C

°

C

°

C

Electrical Characteristics

Item Measurement conditions Min. Typ. Max. Units

Consumption current 15 20 mA

Output voltage

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
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

Voltage gain bypass 1 SG1: 1Vrms, 1kHz, SG2: no signal
Voltage gain bypass 2 SG1: no signal, SG2: 1Vrms, 1kHz

Input resistance 21 30 39 kΩ

Power supply voltage rejection ratio V

Total harmonic distortion ratio Q Xpander

Total harmonic distortion ratio bypass

Output noise voltage Q Xpander

Output noise voltage bypass

SN ratio Q Xpander

SN ratio bypass

L-R channel balance L, R channels=1Vrms, 1kHz, Bypass=0V

Bypass pin voltage (H)

Bypass pin voltage (L)

Bypass pin voltage (H)

Bypass pin voltage (L)

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)

*

L, R channels=no signal, BW=20Hz to 20kHz, A curve
L, R channels=no signal, BW=20Hz to 20kHz, A curve

L, R channels=1Vrms, 1kHz, BW=20Hz to 20kHz, A curve

L, R channels=1Vrms, 1 kHz, BW=20Hz to 20 kHz, A curve

CC=9V+200mVrms, f=1kHz 44 50 dB

Lch=1Vrms, Rch=no signal
Lch=no signal, Rch=1Vrms
Lch=1Vrms, Rch=no signal
Lch=no signal, Rch=1Vrms

1 2 2.8 Vrms

*

2 2.1 V

*

3 0.7 V

*

4 350 µA

*

5

*

-

1 0.5 2 dB

-

1 0.5 2 dB

-

0.5 0 0.5 dB

-

0.5 0 0.5 dB

0.3 0.7 %

0.03 0.3 %

55 100

15 32
80 85 dB
90 95 dB

-

10 1dB

-

10 µA

µVrms
µVrms

MITSUMI

[MM1354]

Absolute Maximum Ratings

Item Ratings Units

Storage temperature

Operating temperature

Power supply voltage 15 V

Input voltage GND

Output voltage 10 mA

Allowable loss 650 mA

Recommended Operating Conditions

Item Ratings Units

Operating temperature

Operating voltage 4.5~12.0 V

Q Xpander Processors MM1326, 1354, 1369

-

40~+125

-

20~+75

<

V

=

-

20~+75

<

IN

CC V

V

=

°

C

°

C

°

C

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
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

Voltage gain bypass 1 SG1:1Vrms, 1kHz, SG2: no signal
Voltage gain bypass 2 SG1: no signal, SG2: 1Vrms, 1kHz

Input resistance 21 30 39 kΩ

Input voltage amplitude (1)

Input voltage amplitude(2)

Total harmonic distortion ratio Q Xpander

Total harmonic distortion ratio bypass

Output noise voltage Q Xpander

Output noise voltage bypass

L-R channel balance L, R channels=1Vrms, 1kHz, Bypass=0V

Bypass pin voltage (H)

Bypass pin voltage (L)

Bypass pin voltage (H)

Bypass pin voltage (L)

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

*

Lch=1Vrms, Rch=no signal, Lch=no signal, Rch=1Vrms
Lch=1Vrms, Rch=no signal, Lch=no signal, Rch=1Vrms

L, R channels=no signal, BW=20Hz to 20kHz, A curve
L, R channels=no signal, BW=20Hz to 20kHz, A curve

1 1 1.4 Vrms

*

2 0.5 0.7 Vrms

*

3 2.1 V

*

4 0.7 V

*

5 350 µA

*

6

*

°

).

°

).

-

1 0.5 2 dB

-

1 0.5 2 dB

-

5.6-5.1-4.6 dB

-

5.6-5.1-4.6 dB

0.4 1.0 %

0.03 0.3 %
60 100
15 32

-

10 1dB

-

10 µA

µVrms
µVrms