參數(shù)資料
型號: TLV320AIC3120IRHBT
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻/視頻放大
英文描述: AUDIO AMPLIFIER, PQCC32
封裝: 5 X 5 MM, GREEN, PLASTIC, QFN-32
文件頁數(shù): 59/150頁
文件大?。?/td> 1507K
代理商: TLV320AIC3120IRHBT
100
90
80
70
60
50
40
30
20
10
0
0.00
0.02
0.04
0.06
0.08
0.10
0.12
0.14
G025
THD+N
T
otal
Harmonic
Distortion
+
Noise
dB
PO Output Power W
HPVDD = 3.3 V
CM = 1.65 V
HPVDD = 3.6 V
CM = 1.8 V
HPVDD = 3 V
CM = 1.5 V
HPVDD = 2.7 V
CM = 1.35 V
IOVDD = 3.3 V
DVDD = 1.8 V
Gain = 9 dB
RL = 16
70
60
50
40
30
20
10
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
G029
THD+N
T
otal
Harmonic
Distortion
+
Noise
dB
PO Output Power W
Driver Gain
= 6 dB
Driver Gain
= 12 dB
AVDD = HPVDD = 3.3 V
IOVDD = 3.3 V
SPLVDD = 5.5 V
DVDD = 1.8 V
RL = 4
Driver Gain
= 18 dB
Driver Gain
= 24 dB
70
60
50
40
30
20
10
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
G030
THD+N
T
otal
Harmonic
Distortion
+
Noise
dB
PO Output Power W
AVDD = 3.3 V
HPVDD = 3.3 V
IOVDD = 3.3 V
DVDD = 1.8 V
Driver Gain = 18 dB
RL = 4
SPLVDD = 5.5 V
SPLVDD = 4.3 V
SPLVDD = 3.3 V
SPLVDD = 3.6 V
SLAS653 – FEBRUARY 2010
www.ti.com
TOTAL HARMONIC DISTORTION + NOISE
vs
OUTPUT POWER
Figure 4-9. Headphone Output Power
4.3
Class-D Speaker Driver Performance
TOTAL HARMONIC DISTORTION + NOISE
vs
OUTPUT POWER
Figure 4-10. Max Class-D Speaker-Driver Output
Figure 4-11. Class-D Speaker-Driver Output Power
Power (RL = 4 Ω)
(RL = 4 Ω)
16
TYPICAL PERFORMANCE
Copyright 2010, Texas Instruments Incorporated
Product Folder Link(s): TLV320AIC3120
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