TDA8552T_02 Datasheet, PDF (8/27 Pages) NXP Semiconductors – 2 x 1.4 W BTL audio amplifiers with digital volume control and headphone sensing

NXP Semiconductors
2 x 1.4 W BTL audio amplifiers with digital
volume control and headphone sensing
Product specification
TDA8552T; TDA8552TS
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 60134).
SYMBOL
V_DD
V_i
I_ORM
T_stg
T_amb
V_sc
P_tot
PARAMETER
supply voltage
input voltage
repetitive peak output current
storage temperature
operating ambient temperature
AC and DC short-circuit safe voltage
maximum power dissipation
CONDITIONS
operating
SO20
SSOP20
MIN.
−0.3
−0.3
−
−55
−40
−
−
−
MAX.
+5.5
V_DD + 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 information”.
SYMBOL
R_th(j-a)
PARAMETER
CONDITIONS
thermal resistance from junction to ambient
for the TDA8552T (SO20)
in free air
extra copper
for the TDA8552TS (SSOP20)
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
V_DD (V)
3.3
3.3
3.3
3.3
5.0
5.0
5.0
5.0
3.3
5
R_L (Ω)
4
8
16
32SE
4
8
16
32SE
4
8
P_{o (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
P_max (W)
T_amb(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 R_th(j-a) with recommended copper pattern of at least 4 × 1 cm² to the corner leads and
copper under the IC package.
2002 Jan 04
8