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PDF MM1104BF Data sheet ( Hoja de datos )
| Número de pieza | MM1104BF | |
| Descripción | Monolithic IC | |
| Fabricantes | ETC | |
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MITSUMI
IC for Headphone Stereos
Monolithic IC MM1104
IC for Headphone Stereos MM1104
Outline
This IC was developed for use in 3 V headphone stereos. It incorporates all the basic functions of tape
players.
Mitsumi has previously offered the LAG665, LAG668, LAG673 and MM1006 as one-chip versions. However,
this IC is the result of a through review and redesign extending to circuit details.
Features
1. Configuration: Pre-and power amp, motor control
2. Adoption of shock noise prevention circuitry
Through the use of a circuit which suppresses noise occurring when the power supply is turned on and off,
noise output is reduced without muting.
3. Stable motor speed control circuit
A bridge circuit employing power transistors provides motor speed control with minimal drift.
4. Preamp off pin is convenient for radio connections
5. Radiation pin: When radio wave-induced noise is a problem, this pin can be used to cut the frequency
characteristic.
Package
SOP-28B (MM1104AF, MM1104BF, MM1104CF)
Pin Assignment
28 27 26 25 24 23 22 21 20 19 18 17 16 15
1 2 3 4 5 6 7 8 9 10 11 12 13 14
SOP-28B
1
1/2VCC
15
2
PreIN1
16
3
NFB1
17
4
PreOUT1
18
5
Pre Off
19
6
PowerIN1
20
7
Radiation1
21
8 PowerOUT1 22
9
GND
23
10 Governor VCC 24
11 N.C 25
12 PCOUT 26
13 GND 27
14 Governor GND 28
N.C
Speed
Phase
VS
PowerOUT2
Amp VCC
Filter
Radiation2
PowerIN2
N.C
PreOUT2
NFB2
PreIN2
Amp GND
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet MM1104BF.PDF ] | |
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