MP7751GF datasheet(5/19 Pages) MPS

5 / 19 page

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

MP7751 Rev. 1.0

www.MonolithicPower.com

5/23/2014

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

OPERATING SPECIFICATIONS (7)

Circuit of figure 5, VCC = 24V, Gain=20dB, VEN = 5V, RLOAD = 8Ω, TA = +25°C, unless otherwise

noted.

Parameters

Symbol Condition

Min

Typ

Max

Units

Power Output

f = 1kHz, THD+N = 10%, VCC = 24V

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

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

9.5

THD+ Noise

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

0.08

POUT = 18W, f = 1kHz, VCC = 24V

0.08

Efficiency

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

VCC = 12 V, 1kHz, RLOAD = 8Ω

Deadtime

IO=0.5A

Cross Talk

VO = 1 Vrms, f = 217Hz

-100

Noise Floor

A-Weighted, 22 Hz to 22 kHz

120

μV

Signal-to-noise ratio

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

-96

Power Supply Rejection

VRIPPLE=200mVPP,

Inputs ac-coupled

to AGND

f = 1kHz

-60

f = 217Hz

-60

Note:

7) Operating Specifications are for the IC in Typical Application circuit. Not production tested.

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