MITSUMI
IC for Headphone Stereos MM1104
Measurement conditions
Min. Typ. Max.
K fluctuation for
Bridge ratio fluctuation
I
K1
0.1
0.2
V
CC
=1.5 to 3.5V, V
CC
=3.0V ref.
K fluctuation for
0.05 0.2
Bridge ratio fluctuation
II
K2
I
M
=25 to 200m A, I
M
=100mA ref.
K fluctuation for
Bridge ratio fluctuation
III
K3
0.01
Ta=-10 to 60
°
C, Ta=25
°
C ref.
Measurement conditions: Except where noted otherwise, V
CC
=3V, IM=100mA, SW11=OFF, SW12=ON
Item
Symbol
Units
%/V
%/mA
%/
°
C
Block Diagram
(Example of Application Circuits)
Characteristics
Preamp
Total harmonic distortion ratio (%)
Total harmonic distortion ratio (%)
10
THD-P
OUT
V
CC
=1.8V
V
CC
=2.0V
V
CC
=3.0V
1.0
R
L
=30kΩ
f=1kHz
0.1
10
Power amp
THD-V
OUT
1.0
V
CC
=1.8V
V
CC
=2.0V
V
CC
=3.0V
R
L
=16Ω
f=1kHz
0.1
0.01
10
100
1k
10k
0.01
10
100
1k
10k
Output voltage (mVrms)
Output voltage (mVrms)
MITSUMI [ MITSUMI ELECTRONICS, CORP. ]
