Datasheet

0 500 1000 1500 2000
OUTPUT POWER (mW)
EFFICIENCY (%)
0
10
20
30
40
50
60
70
80
90
100
V
DD
= 2.5V
V
DD
= 3.6V
V
DD
= 5V
0
0 200 400 600 800 1000 1200
OUTPUT POWER (mW)
EFFICIENCY (%)
V
DD
= 2.5V
V
DD
= 3.6V
V
DD
= 5V
10
20
30
40
50
60
70
80
90
100
10 100 1000 10000 100000
FREQUENCY (Hz)
THD+N (%)
100
0.01
0.1
1
10
0.001
10 100 1000 10000 100000
FREQUENCY (Hz)
THD+N (%)
100
0.01
0.1
1
10
0.001
10 100 1000 10000 100000
FREQUENCY (Hz)
THD+N (%)
100
0.01
0.1
1
10
0.001
10 100 1000 10000 100000
FREQUENCY (Hz)
THD+N (%)
100
10
1
0.1
0.01
0.001
LM4674
www.ti.com SNAS344E –DECEMBER 2005–REVISED APRIL 2013
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
THD+N vs Frequency THD+N vs Frequency
V
DD
= 5V, P
OUT
= 375mW/ch, R
L
= 8Ω V
DD
= 2.5V, P
OUT
= 100mW/ch, R
L
= 4Ω
Figure 12. Figure 13.
THD+N vs Frequency THD+N vs Frequency
V
DD
= 3.6V, P
OUT
= 250mW/ch, R
L
= 4Ω V
DD
= 5V, P
OUT
= 375mW/ch, R
L
= 4Ω
Figure 14. Figure 15.
Efficiency vs Output Power/channel Efficiency vs Output Power/channel
R
L
= 4Ω, f = 1kHz R
L
= 8Ω, f = 1kHz
Figure 16. Figure 17.
Copyright © 2005–2013, Texas Instruments Incorporated Submit Documentation Feedback 9
Product Folder Links: LM4674