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參數資料
| 型號： | TS4972EIJT |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1.2 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA8 |
| 封裝： | LEAD FREE, FLIP CHIP, 8 PIN |
| 文件頁數： | 9/30頁 |
| 文件大?。?/td> | 810K |
| 代理商： | TS4972EIJT |
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Electrical Characteristics
TS4972
17/30
Figure 67: THD + N vs Frequency
Figure 68: THD + N vs Frequency
Figure 69: Signal to Noise Ratio vs Power
Supply with Unweighted Filter (20Hz
to 20kHz)
20
100
1000
10000
0.01
0.1
1
RL = 16
, Vcc = 3.3V
Gv = 10, Cb = 1
F
BW < 125kHz
Tamb = 25
°C
Pout = 140mW
Pout = 280mW
THD
+
N
(
%
)
Frequency (Hz)
20
100
1000
10000
0.01
0.1
1
RL = 16
, Vcc = 2.6V
Gv = 10, Cb = 1
F
BW < 125kHz
Tamb = 25
°C
Pout = 80mW
Pout = 160mW
THD
+
N
(
%
)
Frequency (Hz)
2.5
3.0
3.5
4.0
4.5
5.0
50
60
70
80
90
100
RL=8
RL=4
RL=16
Gv = 2
Cb = Cin = 1F
THD+N < 0.4%
Tamb = 25°C
S
NR
(
d
B)
Vcc (V)
Figure 70: Signal to Noise Ratio vs Power
Supply with Weighted Filter Type A
Figure 71: Frequency Response Gain vs Cin,
& Cfeed
Figure 72: Signal to Noise Ratio vs Power
Supply with Unweighted Filter (20Hz
to 20kHz)
2.5
3.0
3.5
4.0
4.5
5.0
60
70
80
90
100
110
RL=8
RL=4
RL=16
Gv = 2
Cb = Cin = 1F
THD+N < 0.4%
Tamb = 25°C
S
NR
(
d
B)
Vcc (V)
10
100
1000
10000
-25
-20
-15
-10
-5
0
5
10
Rin = Rfeed = 22k
Tamb = 25
°C
Cfeed = 2.2nF
Cfeed = 680pF
Cfeed = 330pF
Cin = 470nF
Cin = 82nF
Cin = 22nF
G
a
in
(dB
)
Frequency (Hz)
2.5
3.0
3.5
4.0
4.5
5.0
50
60
70
80
90
RL=16
RL=4
RL=8
Gv = 10
Cb = Cin = 1F
THD+N < 0.7%
Tamb = 25°C
SNR
(dB)
Vcc (V)
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TS4972EIJT1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:1.2W Audio Power Amplifier with Standby Mode Active High |
| TS4972IJT | 制造商:STMicroelectronics 功能描述: |
| TS4972JT | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:1.2W AUDIO POWER AMPLIFIER WITH STANDBY MODE ACTIVE HIGH |
| TS4973 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:1.2W TWO AUDIO INPUTS WITH GAIN CONTROL POWER AMPLIFIER WITH STANDBY MODE ACTIVE LOW |
| TS4973EIJT | 功能描述:音頻放大器 1.2W 2 audio inputs RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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