beautypg.com

Pam8407 new product, Performance characteristics, Efficiency(%) output power(mw) – Diodes PAM8407 User Manual

Page 5: Output po w e r( m w ) input voltage(v)

background image

PAM8407

Document number: DS36815 Rev. 1 - 2

5 of 12

www.diodes.com

January 2014

© Diodes Incorporated

PAM8407

New Product

A PRODUCT LINE OF

DIODES INCORPORATED

2x3W Stereo Differential Input Class D Audio Amplifier

with Up/Down Volume Control


Performance Characteristics

(@

T

A

= +25°C, V

DD

= 5V, Gain = 24dB, R

L

= L(33μH) + R + L(33μH), unless otherwise noted.

)

Frequency Response Noise Floor











Efficiency Vs. Output Power (RL=8Ω) Efficiency Vs. Output Power (RL=4Ω)














Output Power Vs. Supply Voltage (RL=8Ω, THD=10%) Output Power Vs. Supply Voltage(RL=4Ω,THD=10%)





















+0

+16

+2

+4

+6

+8

+10

+12

+14

d
B
g

A

20

20k

50

100

200

500

1k

2k

5k

10k

Hz

Cin=0.1uF

Cin=1uF

Cin=0.47uF

0

20

40

60

80

100

0

1000

2000

3000

4000

Efficiency(%)

Output Power(mW)

0

20

40

60

80

100

0

200 400 600 800 10001200140016001800

Efficiency(%)

Output Power(mW)

0

500

1000

1500

2000

2500

2

3

4

5

6

Output

 Po

w

e

r(

m

W

)

Input Voltage(V)

0

1000

2000

3000

4000

2

3

4

5

6

Output

 Po

w

e

r(

m

W

)

Input Voltage(V)

VDD=5V

VDD=5V

-140

+0

-130

-120

-110

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

d
B

r

A

20

20k

50

100

200

500

1k

2k

5k

10k

Hz