參數(shù)資料
型號(hào): TPA721DR
廠商: TEXAS INSTRUMENTS INC
元件分類(lèi): 音頻/視頻放大
英文描述: 0.7 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
封裝: GREEN, PLASTIC, MS-012AA, SOIC-8
文件頁(yè)數(shù): 24/26頁(yè)
文件大小: 663K
代理商: TPA721DR
www.ti.com
f Frequency Hz
THD+N
T
otal
Harmonic
Distortion
+
Noise
%
PO = 125 mW
VDD = 3.3 V
RL = 8
AV = 2 V/V
BTL
20
1k
10k
1
0.01
10
0.1
20k
100
PO = 50 mW
PO = 250 mW
PO Output Power W
THD+N
T
otal
Harmonic
Distortion
+
Noise
%
0
0.15
0.4
1
0.01
10
0.1
0.2
0.25
0.3
0.35
VDD = 3.3 V
f = 1 kHz
AV = 2 V/V
BTL
0.05
0.1
RL = 8
PO Output Power W
THD+N
T
otal
Harmonic
Distortion
+
Noise
%
f = 20 kHz
VDD = 3.3 V
RL = 8
CB = 1 F
AV = 2 V/V
BTL
0.01
0.1
1
0.01
10
0.1
f = 1 kHz
f = 10 kHz
f = 20 Hz
f Frequency Hz
THD+N
T
otal
Harmonic
Distortion
+
Noise
%
AV = 2 V/V
VDD = 5 V
PO = 700 mW
RL = 8
BTL
20
1k
10k
1
0.01
10
0.1
20k
100
AV = 20 V/V
AV = 10 V/V
TPA721
SLOS231E – NOVEMBER 1998 – REVISED JUNE 2004
TYPICAL CHARACTERISTICS (continued)
TOTAL HARMONIC DISTORTION + NOISE
vs
FREQUENCY
OUTPUT POWER
Figure 8.
Figure 9.
TOTAL HARMONIC DISTORTION + NOISE
vs
OUTPUT POWER
FREQUENCY
Figure 10.
Figure 11.
7
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