參數(shù)資料
型號(hào)： TDA8551
廠(chǎng)商： NXP SEMICONDUCTORS
元件分類(lèi)： 音頻控制
英文描述： 1 W BTL audio amplifier with digital volume control
中文描述： 1 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDIP8
封裝： 0.300 INCH, PLASTIC, MO-001, SOT97-1, SC-504, DIP-8
文件頁(yè)數(shù)： 9/20頁(yè)
文件大?。?/td> 163K
代理商： TDA8551
1998 Feb 23
9
Philips 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 R
th j-a
= 160 K/W for the SO8 package; see
Chapter “Thermal characteristics”. The power dissipation
can be calculated as follows:
T
th j-a
For a maximum ambient temperature of 50
°
C, V
P
= 5 V
and R
L
= 8
this results in a worst case sine wave
dissipation of 0.63 W.
Figures 5 to 15 represent test results obtained while using
the test circuit given in Fig.4. The following test conditions
apply: T
amb
= 25
°
C; V
P
= 5 V; f = 1 kHz; R
L
= 8
;
G
v
= 20 dB; audio bandwidth from 22 Hz to 22 kHz
(except for Figs 8 and 9); unless otherwise specified.
P
R
=
Fig.5
Supply current as a function of supply
voltage.
handbook, halfpage
(mA)
0
2
4
6
0
8
6
4
2
MGM554
VP (V)
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
1
1
10
2
MGM551
10
2
10
1
1
10
Po (W)
THD
(%)
(3)
(2)
(1)
Fig.7
Total harmonic distortion as a function of
output power at different gains.
f = 1 kHz.
(1) G
v
= 0 dB.
(2) G
v
= 7 dB.
(3) G
v
= 20 dB.
handbook, halfpage
10
1
1
10
2
MGM552
10
2
10
1
1
10
Po (W)
THD
(%)
(1)
(2)
(3)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TDA8551T 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:1 W BTL audio amplifier with digital volume control
TDA8551T/N1 制造商:NXP Semiconductors 功能描述:Bulk 制造商:NXP Semiconductors 功能描述:AMP AUDIO PWR 1.4W MONO 8SOIC 制造商:NXP Semiconductors 功能描述:AMP, AUDIO, PWR, 1.4W, MONO, 8SOIC 制造商:NXP Semiconductors 功能描述:AMP, AUDIO, PWR, 1.4W, MONO, 8SOIC; Amplifier Class:AB; No. of Channels:1; Output Power:1.4W; Supply Voltage Range:2.7V to 5.5V; Amplifier Case Style:SOIC; No. of Pins:8; Load Impedance:8ohm; Operating Temperature Min:-40C; ;RoHS Compliant: Yes
TDA8551T/N1,112 功能描述:音頻放大器 1W CMOS PWR AMP VOL CTRL RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)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
TDA8551T/N1,118 功能描述:音頻放大器 1W CMOS AMP+VOLCTR RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)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
TDA8551T/N1,118-CUT TAPE 制造商:NXP 功能描述:TDA8551 Series 1 W BTL Audio Amplifier with Digital Volume Control - SOIC-8
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