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MM1104

ETC
Part Number MM1104
Manufacturer ETC
Description Monolithic IC
Published May 7, 2005
Detailed Description MITSUMI IC for Headphone Stereos MM1104 IC for Headphone Stereos Monolithic IC MM1104 Outline This IC was developed f...
Datasheet PDF File MM1104 PDF File

MM1104
MM1104

Overview
MITSUMI IC for Headphone Stereos MM1104 IC for Headphone Stereos Monolithic IC 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 1 2 3 4 5 28 27 26 25 24 23 22 21 20 19 18 17 16 15 6 7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 SOP-28B 8 9 10 11 12 13 14 1/2VCC PreIN1 NFB1 PreOUT1 Pre Off PowerIN1 Radiation1 PowerOUT1 GND Governor VCC N.
C PCOUT GND Governor GND 15 16 17 18 19 20 21 22 23 24 25 26 27 28 N.
C Speed Phase VS PowerOUT2 Amp VCC Filter Radiation2 PowerIN2 N.
C PreOUT2 NFB2 PreIN2 Amp GND MITSUMI IC for Headphone Stereos MM1104 Absolute Maximum Ratings Item Operating temperature Storage temperature Power supply current Power consumption Operating voltage Symbol TOPR TSTG VCC Pd Vop Ratings -20~+65 -40~+125 -0.
3~+7.
5 700 (Ta=25°C) +2.
0~+5.
0 Units °C °C V mW V Electrical Characteristics (Except where noted otherwise, Ta=25°C) Item Symbol Measurement conditions Min.
Typ.
Consumption current ICC Amp.
only 11 Preamp unit (Ta=25°C) Open-circuit gain GVo Vo=-10dBm f=100Hz 86 Closed-circuit gain GVc Vo=-10dBm 42 Maximum output voltage Vom THD=10% 0.
5 0.
74 Total harmonic distortion ratio THD Vo=-1...


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