MP7758

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

MP7758 Rev. 1.0

www.MonolithicPower.com

7

12/3/2020

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

© 2020 MPS. All Rights Reserved.

OPERATING SPECIFICATIONS (7)

VCC = 18V, gain = 20dB, VEN = 5V, RLOAD = 8Ω + 66µH, TA = 25°C, unless otherwise noted. For

more details, see Figure 7 on page 19.

Parameters

Symbol

Condition

Min

Typ

Max

Units

Power output

f = 1kHz, THD+N = 10%, VCC = 18V

20

W

f = 1kHz, THD+N = 10%, VCC = 16V

15

f = 1kHz, THD+N = 10%, VCC = 12V

9.5

THD+noise

POUT = 5W, f = 1kHz, VCC = 12V

0.5

%

POUT = 15W, f = 1kHz, VCC = 18V

0.5

%

Efficiency

POUT = 9.5W + 9.5W, THD+N = 10%,

VCC = 12V, 1kHz, RLOAD =

8Ω

90

%

Dead time

IO=0.5A

40

ns

Cross talk

VO = 1Vrms, f = 217Hz

-110

dB

Noise floor

A-Weighted, 22 Hz to 22 kHz

115

μV

Signal-to-noise ratio

f = 1kHz, THD+N = 1%, A-Weighted

100

dB

Power supply rejection

VRIPPLE = 300mVPP,

Inputs AC-coupled to

AGND

f = 1kHz

-60

dB

f = 217Hz

-70

dB

Note:

7) The operating specifications are for the IC set-up in the Typical Application Circuit on page 19. Not production tested.