MP7740 – 15W CLASS D MONO SINGLE ENDED AUDIO AMPLIFIER

MP7740 Rev. 0.9

www.MonolithicPower.com

3

9/22/2009

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© 2009 MPS. All Rights Reserved.

Parameters

Symbol Condition

Min

Typ

Max

Units

Supply Current

Standby Current

20

50

µA

Quiescent Current

SW=0V

1.5

3.0

mA

Output Drivers

SW On Resistance

Sourcing and Sinking

0.25

Ω

Short Circuit Current

Sourcing and Sinking

4.5

A

Inputs

PIN, NIN Input Common Mode

Voltage Range

0

2

V

PIN, NIN Input Current

1

5

µA

1.8

2.5

V

EN Enable Threshold Voltage

0.8

1.2

V

EN Enable Input Current

1

µA

Thermal Shutdown

Thermal Shutdown Trip Point

150

°C

Thermal Shutdown Hysteresis

30

°C

Notes:

5) The device is not guaranteed to function outside its operating rating.

6) Electrical Characteristics are for the IC only with no external components except bypass capacitors.

Parameters

Symbol Condition

Min

Typ

Max

Units

Standby Current

130

µA

Quiescent Current

13

mA

f = 1KHz, THD+N = 10%, 4Ω

Load

15

W

Power Output

f = 1KHz, THD+N = 10%, 8Ω

Load

8

W

0.05

%

THD+ Noise

0.018

%

90

%

Efficiency

90

%

Maximum Power Bandwidth

20

kHz

Dynamic Range

97

dB

Noise Floor

A-Weighted

103

µV

f = 1kHz

-60

dB

Power Supply Rejection

Gain=8.25V/V,

f = 100Hz

-60

dB

Notes:

7) Operating Specifications are for the IC in Typical Application circuit (Figure 1).