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參數(shù)資料
| 型號： | TDA8551T-T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 音頻控制 |
| 英文描述： | 1 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO8 |
| 封裝： | 3.90 MM, PLASTIC, MS-012, SOT96-1, SOP-8 |
| 文件頁數(shù)： | 18/18頁 |
| 文件大?。?/td> | 160K |
| 代理商： | TDA8551T-T |
1998 Feb 23
9
NXP Semiconductors
Product specification
1 W BTL audio amplifier with digital volume
control
TDA8551
When a practical PCB layout is used with wider copper
tracks and some extra copper added both to the IC pin
connections and underneath the IC, the thermal resistance
from junction to ambient can be reduced. Without these
measures Rth j-a = 160 K/W for the SO8 package; see
Chapter “Thermal characteristics”. The power dissipation
can be calculated as follows:
For a maximum ambient temperature of 50
°C, V
P =5V
and RL =8 Ω this results in a worst case sine wave
dissipation of 0.63 W.
the test circuit given in Fig.4. The following test conditions
apply: Tamb =25 °C; VP =5V; f= 1kHz; RL =8 Ω;
Gv = 20 dB; audio bandwidth from 22 Hz to 22 kHz
P
T
amb
R
th j-a
--------------
=
Fig.5
Supply current as a function of supply
voltage.
handbook, halfpage
024
6
10
0
8
6
4
2
MGM554
VP (V)
IP
(mA)
Fig.6
Total harmonic distortion as a function of
output power at different frequencies.
(1) f = 10 kHz.
(2) f = 1 kHz.
(3) f = 100 Hz.
handbook, halfpage
10
101
1
102
MGM551
102
101
110
Po (W)
THD
(%)
(3)
(2)
(1)
Fig.7
Total harmonic distortion as a function of
output power at different gains.
f= 1kHz.
(1) Gv =0dB.
(2) Gv =7dB.
(3) Gv =20 dB.
handbook, halfpage
10
101
1
102
MGM552
102
101
110
Po (W)
THD
(%)
(1)
(2)
(3)
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相關(guān)代理商/技術(shù)參數(shù) |
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| TDA8552 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:2 x 1.4 W BTL audio amplifiers with digital volume control and headphone sensing |
| TDA8552T | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:2 x 1.4 W BTL audio amplifiers with digital volume control and headphone sensing |
| TDA8552T/N1,512 | 功能描述:音頻放大器 AUDIO PWR AMP BTL 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 |
| TDA8552T/N1,518 | 功能描述:音頻放大器 2X1W CMOS AMP + VOL 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 |
| TDA8552T/N1.112 | 制造商:NXP Semiconductors 功能描述:AMP AUDIO POWER DUAL 8552 SOIC20 |
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