MP1740 –3W HIGH EFFCIENCY MONO CLASS-D AUDIO AMPLIFIER

MP1740 Rev. 1.0

www.MonolithicPower.com

3

1/5/2012

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© 2012 MPS. All Rights Reserved

ELECTRICAL CHARACTERISTICS

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Output Offset Voltage

VI=0V, Av=2V/V, VCC=2.5V to

5.5V

1

25

mV

Power

Supply

Rejection

Ratio

PSRR

VCC=2.5V to 5.5V

-70

-45

dB

Common Mode Rejection

Ratio

CMRR

VCC=2.5V to 5.5V,

VIC＝1/2VCC to 0.5V,

VIC＝1/2VCC to VCC -0.8V

-70

dB

High-level Input Current

VCC=5.5V,

VI=5.5V,RI=150kΩ

20

30

μA

Low-level Input Current

VCC=5.5V,

VI=0V,RI=150kΩ

20

30

μA

VCC=5.5V, no load, switching

2.7

5.8

VCC=3.6V, no load, switching

2

4.6

Quiescent Current

VCC=2.5V, no load, switching

1.6

3.6

mA

Shut down Current

VEN=0, VCC=2.5V to 5.5V

0.5

2

μA

VEN Enable L-H

VCC=2.5V to 5.5V

1.6

V

VEN Enable H-L

VCC=2.5V to 5.5V

0.4

V

UVLO_H

VCC from Low to High

2.4

2.48

V

UVLO_L

VCC from High to Low

1.95

2.1

V

VCC=5.5V

250

VCC=3.6V

300

Static On-state Resistance

Rds_on

VCC=2.5V

360

mΩ

Output

impedance

in

disable

VEN<0.8V

2

kΩ

Switching frequency

VCC=2.5V to 5.5V

200

250

300

kHz

GAIN (VO/VI)

19

20

21

V/V

RPD

Resistance from EN to GND

300

kΩ