LR6311 datasheet(5/13 Pages) LRC

Part #	LR6311

Description	3 Watt Mono Filter-Free Class-D Audio Power Amplifier

PDF	13 Pages

Scroll/Zoom	100%

Manufacturer	LRC [Leshan Radio Company]

Direct Link	http://www.lrc.cn/

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5 / 13 page

Test Circuit

1uF

IN+

IN-

VDD

GND

VO+

VO-

LR6311

150K

2uF

30KHz

LPF

Signal input

from

measurement

Output

measurement

Power

Supply

SDB

Shutdown

signal

Vin

Figure 5. LR6311 test set up circuit

100

47nF

100

47nF

30kHz LPF

VO+

VO-

Figure 6. 30-kHz LPF for LR6311 test

Notes: 1>. CS should be placed as close as possible to VDD/GND pad of the

device

2>. Ci should be shorted for any Common-Mode input voltage measurement

Leshan Radio Co ., Ltd

5/13

Symb

Min.

Typ.

Max.

THD+N=10%, f=1KHz, RL = 4

0.7

THD+N=1%, f=1KHz, RL = 4

0.55

THD+N=10%, f=1KHz, RL = 8

0.4

THD+N=1%, f=1KHz, RL = 8

0.3

THD+N

Total Harmonic

Distortion + Noise

Po=0.2Wrms, f=1kHz, RL = 8

0.19

Parameter

Conditions

Spec

Units

LR6311 Datasheet(PDF) 5 Page - Leshan Radio Company

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