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TDA8551_T Folha de dados(PDF) 2 Page - NXP Semiconductors

Nome de Peças TDA8551_T
Descrição Electrónicos  1 W BTL audio amplifier with digital volume control
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Fabricante Electrônico  PHILIPS [NXP Semiconductors]
Página de início  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

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1998 Feb 23
2
NXP Semiconductors
Product specification
1 W BTL audio amplifier with digital volume
control
TDA8551
FEATURES
• One pin digital volume control
• Volume setting with UP/DOWN pulses
• Flexibility in use
• Few external components
• Low saturation voltage of output stage
• 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
P and across the
load
• Thermally protected.
GENERAL DESCRIPTION
The TDA8551; TDA8551T is a one channel 1 W
Bridge-Tied Load (BTL) audio power amplifier capable of
delivering 1 W output power to an 8
Ω load at THD = 10%
using a 5 V power supply. The circuit contains a BTL
power amplifier, a digital volume control and standby/mute
logic. The TDA8551T comes in an 8 pin SO package and
the TDA8551 in a 8 pin DIP package.
APPLICATIONS
• Portable consumer products
• Personal computers
• Telephony.
QUICK REFERENCE DATA
ORDERING INFORMATION
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
VP
supply voltage
2.7
5
5.5
V
Iq
quiescent current
VP =5V
610
mA
Istb
standby current
−−
10
μA
Po
output power
THD = 10%; RL =8 Ω; VP =5 V 1
1.4
W
Gv
voltage gain
−60
+20
dB
nvol
number of volume steps
64
THD
total harmonic distortion
Po =0.5 W
0.15
%
SVRR
supply voltage ripple rejection
48
−−
dB
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA8551T
SO8
plastic small outline package; 8 leads; body width 3.9 mm
SOT96-1
TDA8551
DIP8
plastic dual in-line package; 8 leads (300 mil)
SOT97-1


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