參數(shù)資料
型號(hào)： TPA2012D2RTJR
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： 2.1 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC20
封裝： 4 X 4 MM, GREEN, PLASTIC, QFN-20
文件頁(yè)數(shù)： 21/22頁(yè)
文件大?。?/td> 785K
代理商： TPA2012D2RTJR
0.1
1
20
100
1 k
10 k
20 k
f Frequency Hz
VDD = 5 V,
RL = 8 W,
CI = 1 mF,
AV = 6 dB
0.01
380 mW
775 mW
1.16 W
THD+N
T
otal
Harmonic
Distortion
+
Noise
%
NoOutputFilter
0
1
2
3
4
5
6
0
1
2
3
4
5
VDD = 5 V
VDD = 3.6 V
VDD = 2.5 V
I DD
Supply
Current
mA
VSD Shutdown Voltage V
0
200
400
600
800
1000
1200
0
0.2 0.4 0.6 0.8
1
1.2 1.4 1.6 1.8
2
2.2
VDD = 2.5 V, RL = 4 W, 33 mH
IDD is for Both Channels
VDD = 5 V, RL = 4 W, 33 mH
VDD = 3.6 V, RL = 4 W, 33 mH
I
DD
Supply
Current
mA
PO Output Power/Channel W
I
DD
Supply
Current
mA
0
100
200
300
400
500
600
700
800
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
VDD = 2.5 V, RL = 8 W, 33 mH
VDD = 3.6 V, RL = 8 W, 33 mH
VDD = 5 V, RL = 8 W, 33 mH
IDD is for Both Channels
PO Output Power/Channel W
140
120
100
80
60
40
20
0
100
1 k
10 k
f Frequency Hz
2.5 V R to L
5 V R to L
3.6 V R to L
5 V L to R
3.6 V L to R
Crosstalk
dB
RI = 8 W
20 k
20
2.5 V L to R
100
90
80
70
60
50
40
30
100
1 k
10 k
Inputs AC, Grounded,
CI = 1 mF,
RI = 4 W,
AV = 6 dB
VDD = 2.7 V
VDD = 5 V
VDD = 3.6 V
PSRR
Power
Supply
Rejection
Ratio
dB
f Frequency Hz
20 k
20
120
100
80
60
40
20
0
100
1 k
10 k
f Frequency Hz
2.5 V R to L
2.5 V L to R
3.6 V L to R
3.6 V R to L
5 V R to L
5 V L to R
Crosstalk
dB
20 k
20
RI = 4 W
100
90
80
70
60
50
40
30
100
1 k
10 k
Inputs AC Grounded,
CI = 1 mF,
RI = 8 W,
AV = 6 dB
VDD = 2.7 V
VDD = 5 V
VDD = 3.6 V
PSRR
Power
Supply
Rejection
Ratio
dB
f Frequency Hz
20 k
20
SLOS438D – DECEMBER 2004 – REVISED JUNE 2008 .................................................................................................................................................. www.ti.com
TYPICAL CHARACTERISTICS (continued)
TOTAL HARMONIC DISTORTION
SUPPLY CURRENT
vs
FREQUENCY
SHUTDOWN VOLTAGE
SUPPLY VOLTAGE
Figure 10.
Figure 11.
Figure 12.
SUPPLY CURRENT
CROSSTALK
vs
OUTPUT POWER
FREQUENCY
Figure 13.
Figure 14.
Figure 15.
POWER SUPPLY
CROSSTALK
REJECTION RATIO
vs
FREQUENCY
Figure 16.
Figure 17.
Figure 18.
8
Copyright 2004–2008, Texas Instruments Incorporated
Product Folder Link(s): TPA2012D2
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPA2012D2RTJRG4 功能描述:音頻放大器 2.1W Stereo Class-D Aud Power Amplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TPA2012D2RTJT 功能描述:音頻放大器 2.1W Stereo Class-D Aud Power Amplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TPA2012D2RTJTG4 功能描述:音頻放大器 2.1W Stereo Class-D Aud Power Amplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TPA2012D2YZH 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.1 W/CH STEREO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER
TPA2012D2YZHR 功能描述:音頻放大器 2.1W Stereo Class-D Aud Power Amplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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