mm1124a Mitsumi Electronics, Corp., mm1124a Datasheet

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mm1124a

Manufacturer Part Number
mm1124a
Description
Bass Amplifier
Manufacturer
Mitsumi Electronics, Corp.
Datasheet

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MM1124A
Manufacturer:
MITSUMI
Quantity:
20 000
MITSUMI
Outline
Features
Package
Series Table
Absolute Maximum Ratings
This IC was developed to boost bass on TV and free-standing VCR decks, etc.
The recent trend toward large-screen TV and movie software has increased the demand for powerful bass
and wider sound, so that the bass boost function has become part of TV and VCR functions.
This IC was designed especially for bass, and easily reproduces a powerful sound.
1. Dynamic bass boost
2. Boost switching pin
3. High range boost
4. Boost attack circuit
SOP-16B (MM1124AF, MM1124BF, MM1124CF)
DIP-16B (MM1124AD, MM1124BD)
Boost can be adjusted higher for lower sound, and smaller for bigger sound.
Boost amount can be switched for music and video software, giving a change to the set
By boosting the high range as well, a more realistic sound is reproduced
Gives quick response and follows sudden volume changes
Bass Amplifier
Monolithic IC MM1124
Operating temperature
Power supply voltage
Storage temperature
Operating voltage
Allowable loss
Note 1 : Boost amounts for are input level of -37.8dBm
Note 2 : The above are reference values, and may vary depending on the
Model name
Item
MM1124B
MM1124C
MM1124A
specifications.
(Ta=25
FULL
19dB
12dB
8dB
°
C)
V
Symbol
Boost
CC
T
T
V
Pd
OPR
STG
max.
CC
14dB
8dB
4dB
1/2
1200 (DIP-16B)
350 (SOP-16B)
-40~+125
-0.3~+15
Ratings
-20~+70
+5~+12
Boost start
input level
-14dBm
+3dBm
+3dBm
Bass Amplifier MM1124
Units
mW
°
°
V
V
C
C

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mm1124a Summary of contents

Page 1

... Boost amount can be switched for music and video software, giving a change to the set 3. High range boost By boosting the high range as well, a more realistic sound is reproduced 4. Boost attack circuit Gives quick response and follows sudden volume changes Package SOP-16B (MM1124AF, MM1124BF, MM1124CF) DIP-16B (MM1124AD, MM1124BD) Series Table Model name MM1124A MM1124B MM1124C Note 1 : Boost amounts for are input level of -37 ...

Page 2

MITSUMI Electrical Characteristics Item Consumption current Voltage gain Boost 1 (Bst1) Boost 2 Total harmonic distortion ratio Crosstalk Maximum output voltage Output noise voltage Ripple rejection rate SW pin voltage range ° (Ta=25 C) Measurement conditions Rank SW f (Hz) ...

Page 3

MITSUMI Block Diagram/ Application Circuits Characteristics Boost amount-Input level (rank A) Output level-Frequency (rank FULL 20 SW:FULL 15 10 SW:1 -10 -50 -40 -30 -20 Input level (dB -10 -20 -30 -40 ...

Page 4

MITSUMI Boost amount-Input level (rank -10 Output level-Frequency (rank FULL 10 0 -10 -20 -30 -40 Boost amount-Input level (rank -10 Output level-Frequency (rank C) ...

Page 5

MITSUMI THROUGH distortion rate characteristics ( (%) Crosstalk -30 (dB) -40 -50 -60 -70 =9V, f=1kHz) CC -30 -20 -10 0 Input level (dBm Frequency ...

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