參數(shù)資料
型號(hào)： TDA8547TS-T
廠商： NXP SEMICONDUCTORS
元件分類： 音頻／視頻放大
英文描述： 1.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20
封裝： 4.40 MM, PLASTIC, MO-152, SOT266-1, SSOP-20
文件頁(yè)數(shù)： 12/21頁(yè)
文件大?。?/td> 491K
代理商： TDA8547TS-T
1998 Apr 01
2
NXP Semiconductors
Product specification
2
× 0.7 W BTL audio amplifier with
output channel switching
TDA8547TS
FEATURES
Selection between output channels
Flexibility in use
Few external components
Low saturation voltage of output stage
Gain can be fixed with external resistors
Standby mode controlled by CMOS compatible levels
Low standby current
No switch-on/switch-off plops
High supply voltage ripple rejection
Protected against electrostatic discharge
Outputs short-circuit safe to ground, V
CC and across the
load
Thermally protected.
APPLICATIONS
Telecommunication equipment
Portable consumer products
Personal computers
Motor-driver (servo).
GENERAL DESCRIPTION
The TDA8547TS is a two channel audio power amplifier
for an output power of 2
× 0.7 W with a 16 Ω load at a 5 V
supply. At a low supply voltage of 3.3 V an output power of
0.6 W with an 8
Ω load can be obtained. The circuit
contains two BTL amplifiers with a complementary
PNP-NPN output stage and standby/mute logic.
The operating condition of all channels of the device
(standby, mute or on) is externally controlled by the
MODE pin. With the SELECT pin one of the output
channels can be switched in the standby condition. This
feature can be used for loudspeaker selection and also
reduces the quiescent current consumption.
When only one channel is used the maximum output
power is 1.2 W.
QUICK REFERENCE DATA
ORDERING INFORMATION
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
VCC
supply voltage
2.2
5
18
V
Iq
quiescent current
VCC = 5 V; 2 channels
15
22
mA
VCC = 5 V; 1 channel
812
mA
Istb
standby current
10
μA
Po
output power
two channels
THD = 10%; RL =8 Ω; VCC = 3.3 V
0.5
0.6
W
THD = 10%; RL =16 Ω; VCC =5 V
0.6
0.7
W
one channel
THD = 10%; RL =8 Ω; VCC =5V
1
1.2
W
THD = 10%; RL =4 Ω; VCC =3.3 V
1
1.2
W
THD
total harmonic distortion
Po =0.4 W
0.15
%
SVRR
supply voltage ripple rejection
50
dB
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA8547TS
SSOP20
plastic shrink small outline package; 20 leads; body width 4.4 mm
SOT266-1
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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TDA8551T 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:1 W BTL audio amplifier with digital volume control
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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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