MP7751 – 26V, 2X20W STEREO BTL FIX FREQUENCY CLASS D AUDIO AMPLIFIER

MP7751 Rev. 1.0

www.MonolithicPower.com

4

5/23/2014

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© 2014 MPS. All Rights Reserved.

Parameters

Symbol Condition

Min

Typ

Max

Units

Standby Current

130

200

µA

Quiescent Current

20

40

mA

Output Offset Voltage

20

65

mV

SW On Resistance

0.24

Ω

Short Circuit Current

Sourcing and Sinking,

4

5

6

A

Closed Loop Gain

G

GAIN0 = L, GAIN1 = L

19

20

21

dB

GAIN0 = H, GAIN1 = L

25

26

27

GAIN0 = L, GAIN1 = H

31

32

33

GAIN0 = H, GAIN1 = H

35

36

37

EN Enable Threshold Voltage

1.3

2.0

V

0.4

0.9

V

EN Enable Input Current

12

25

µA

Under Voltage Protection

4.6

5

V

4

4.3

V

AVCC Operating Voltage

5

5.5

6

V

VDR Operating Voltage

5

5.5

6

V

2.3

2.5

2.7

V

GAIN0/GAIN1 Threshold

1.6

2

V

0.6

1.1

V

Turn-on Time

13

ms

Turn-off Time

0.2

us

Switching frequency

260

325

360

kHz

Input signal absence sensitivity

2

5

8

mV

Thermal Shutdown Trip Point

150

°C

Thermal Shutdown Hysteresis

20

°C

Note:

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.