MP1740 –3W HIGH EFFCIENCY MONO CLASS-D AUDIO AMPLIFIER
ELECTRICAL CHARACTERISTICS
T
A
= +25°C, unless otherwise noted.
Parameter
Output Offset Voltage
Power
Ratio
Supply
Rejection
Symbol
|V
OS
|
PSRR
CMRR
I
IH
I
IL
I
Q
I
ds
Conditions
VI=0V, Av=2V/V, VCC=2.5V to
5.5V
VCC=2.5V to 5.5V
VCC=2.5V to 5.5V,
VIC＝1/2VCC to 0.5V,
VIC＝1/2VCC to VCC -0.8V
VCC=5.5V,
VI=5.5V,RI=150kΩ
VCC=5.5V,
VI=0V,RI=150kΩ
VCC=5.5V, no load,
switching
VCC=3.6V, no load,
switching
VCC=2.5V, no load,
switching
VEN=0, VCC=2.5V to 5.5V
VCC=2.5V to 5.5V
VCC=2.5V to 5.5V
VCC from Low to High
VCC from High to Low
VCC=5.5V
VCC=3.6V
VCC=2.5V
VEN<0.8V
VCC=2.5V to 5.5V
R
I
=15 kΩ, no load
Resistance from EN to GND
200
19
Min
Typ
1
-70
-70
20
20
2.7
2
1.6
0.5
1.6
1.95
2.4
2.1
250
300
360
2
250
20
300
300
21
0.4
2.48
30
30
5.8
4.6
3.6
2
Max
25
-45
Unit
mV
dB
dB
μA
μA
mA
μA
V
V
V
V
mΩ
kΩ
kHz
V/V
kΩ
Common Mode Rejection
Ratio
High-level Input Current
Low-level Input Current
Quiescent Current
Shut down Current
VEN Enable L-H
VEN Enable H-L
UVLO_H
UVLO_L
Static On-state Resistance
Output
impedance
disable
Switching frequency
GAIN (VO/VI)
RPD
in
Rds_on
R
O
F
SW
MP1740 Rev. 1.0
1/5/2012
www.MonolithicPower.com
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3
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