參數(shù)資料
型號: TPA3122D2N
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻/視頻放大
英文描述: 15 W, 2 CHANNEL, AUDIO AMPLIFIER, PDIP20
封裝: PLASTIC, DIP-20
文件頁數(shù): 20/21頁
文件大小: 507K
代理商: TPA3122D2N
www.ti.com
PO Output Power W
0
20
40
60
80
100
0
1
2
3
4
5
6
7
Ef
ficiency
%
G013
Gain = 20 dB
RL = 4 (SE)
VCC = 12 V
PO Output Power W
0
20
40
60
80
100
0
2
4
6
8
10
12
14
Ef
ficiency
%
G014
Gain = 20 dB
RL = 8 (SE)
VCC = 12 V
VCC = 18 V
VCC = 24 V
PO Total Output Power W
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0
2
4
6
8
10
12
14
I C
C
Supply
Current
A
G015
Gain = 20 dB
RL = 4 (SE)
VCC = 12 V
PO Total Output Power W
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0
2
4
6
8
10
12
14
I C
C
Supply
Current
A
G016
Gain = 20 dB
RL = 8 (SE)
VCC = 18 V
VCC = 24 V
VCC = 12 V
120
100
80
60
40
20
0
f Frequency Hz
PSRR
dB
G017
Gain = 20 dB
RL = 4 (SE)
VCC = 12 V
Vripple = 200 mVp-p
20
100
1k
20k
10k
20
100
1k
20k
10k
f Frequency Hz
0.1
0.01
0.001
G018
Gain=20dB
RL =8 (BTL)
VCC =24V
1
THD+N
%
10
PO =20W
PO =1W
PO =5W
SLOS527A – DECEMBER 2007 – REVISED DECEMBER 2007
TYPICAL CHARACTERISTICS (continued)
EFFICIENCY
vs
OUTPUT POWER (SE)
Figure 13.
Figure 14.
SUPPLY CURRENT
vs
TOTAL OUTPUT POWER (SE)
Figure 15.
Figure 16.
POWER SUPPLY REJECTION RATIO
TOTAL HARMONIC DISTORTION + NOISE
vs
FREQUENCY (SE)
FREQUENCY (BTL)
Figure 17.
Figure 18.
8
Copyright 2007, Texas Instruments Incorporated
Product Folder Link(s) :TPA3122D2
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TPA3123D2PWPG4 25 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO24
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TPA3123D2PWPG4 功能描述:音頻放大器 25W Stereo Class D Aud Pwr Amp 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TPA3123D2PWPR 功能描述:音頻放大器 25W St Class-D Aud Pwr Amp 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel