TDA8552 Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
Fabricante
TDA8552
Philips Electronics
TDA8552 Datasheet PDF : 28 Pages
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Philips Semiconductors
2 × 1.4 W BTL audio ampliï¬ers with digital
volume control and headphone sensing
Preliminary speciï¬cation
TDA8552T; TDA8552TS
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
PARAMETER
CONDITIONS
VDD
Vi
IORM
Tstg
Tamb
Vsc
Ptot
supply voltage
input voltage
repetitive peak output current
storage temperature
operating ambient temperature
AC and DC short-circuit safe voltage
maximum power dissipation
operating
SO20
SSOP20
MIN.
−0.3
−0.3
−
−55
−40
−
−
−
MAX.
+5.5
VDD + 0.3
1
+150
+85
5.5
2.2
1.1
UNIT
V
V
A
°C
°C
V
W
W
THERMAL CHARACTERISTICS
See Section “Thermal design considerations†in Chapter “Test and application informationâ€.
SYMBOL
Rth(j-a)
PARAMETER
thermal resistance from junction to ambient
for the TDA8552T (SO20)
for the TDA8552TS (SSOP20)
CONDITIONS
in free air
extra copper
in free air
extra copper
VALUE
60
55
110
80
UNIT
K/W
K/W
K/W
K/W
Table 1 Power rating; note 1
VDD (V)
3.3
3.3
3.3
3.3
5.0
5.0
5.0
5.0
3.3
5
RL (Ω)
4
8
16
32SE
4
8
16
32SE
4
8
Po (W)
THD = 10%
OPERATION
0.9
0.6
0.3
0.035
2.0
1.4
0.8
0.09
BTL
BTL
BTL
headphone
BTL
BTL
BTL
headphone
0.9
BTL
1.4
BTL
MUSIC POWER
Pmax (W)
Tamb(max) (°C)
SO20
SSOP20
0.55
120
106
0.28
134
127
0.14
142
139
0.03
150
150
1.25
81
50
0.65
114
98
0.32
132
124
0.07
146
144
continuous sine wave
1.1
89
62
1.25
81
50
Note
1. The power rating is based on Rth(j-a) with recommended copper pattern of at least 4 × 1 cm2 to the corner leads and
copper under the IC package.
1998 Jun 02
8
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