MITSUMI
Compander IC MM1100
Compander IC
Monolithic IC MM1100
Outline
This IC was developed for use in mobile communication equipment. It is a compander IC incorporating
compressor/expander circuits for a significant noise reduction effect without complicated external circuitry.
On the transmission side, the dynamic range of audio signals is compressed by the compressor circuit; on the
receiving side, the expander expands the signals. As a result the dynamic range over the transmission
channel is reduced logarithmically by one-half.
Features
1. Can be driven at low voltages (down to 2.4V)
2. Compression and expansion circuits enable suppression of unwanted radio waves
3. Consumption current
2.8mA typ.
Package
SOP-14B (MM1100XF)
Applications
1. Cordless telephones
2. Various mobile communication devices
Pin Assignment
1
2
14 13 12 11 10 9
8
3
4
1
2
3
4
5
6
7
5
6
7
E.GIN
E.RIN
E.RECT
E.OUT
E.REF
C.REF
GND
8
9
10
11
12
13
14
C.OUT
C.GIN
C.RIN
C.RECT
C.IN
C.NF
V
CC
SOP-14B