MP7758

– 18V, 2x15W, STEREO BTL, INDUCTORLESS CLASS-D AUDIO AMPLIFIER

MP7758 Rev. 1.0

www.MonolithicPower.com

6

12/3/2020

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

© 2020 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS (5) (6)

VCC = 18V, VEN = 5V, TJ = -40°C to +125°C, unless otherwise noted.

Parameters

Symbol Condition

Min

Typ

Max

Units

Standby current

IQSTBY

VEN = 0V

130

200

µA

Quiescent current

IQ

VEN = 5V, no load, no LC filter

20

40

mA

VEN = 5V, input signal = 0,

TJ = -40°C to +85°C

5.5

10

mA

Output offset voltage

VOS

VI = 0V, gain = 36dB, TJ = 25°C

20

65

mV

SW on resistance

RDS(ON)

IOUT = 500mA, TJ = 25°C

0.24

Ω

Short circuit current

Source and sink, TJ = 25°C

4

5

6

A

Closed loop gain

G

GAIN0 = low, GAIN1 = low

19

20

21

dB

GAIN0 = high, GAIN1 = low

25

26

27

GAIN0 = low, GAIN1 = high

31

32

33

GAIN0 = high, GAIN1 = high

35

36

37

EN enable threshold

voltage

VEN rising

1.3

2.0

V

VEN falling

0.4

0.9

V

EN enable input current

VEN = 5V

12

25

µA

Under-voltage protection

VUVP rising

4.6

5

V

VUVP falling

4

4.3

V

AVCC operating voltage

5

5.5

6

V

VDR operating voltage

5

5.5

6

V

VINN/INP common mode

voltage

2.3

2.5

2.7

V

GAIN0/GAIN1 threshold

VGAIN rising

1.6

2

V

VGAIN falling

0.6

1.1

V

Turn-on time

tON

13

ms

Turn-off time

tOFF

0.2

µs

Switching frequency

260

325

360

kHz

Input signal absence

sensitivity

2

5

8

mV

Thermal shutdown trip

point

TJ rising

150

°C

Thermal shutdown

hysteresis

20

°C

Notes:

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

6) The electrical characteristics are for the IC only, with no external components except for the bypass capacitors.