參數(shù)資料
型號(hào)： 935261315112
廠商： NXP SEMICONDUCTORS
元件分類： 音頻控制
英文描述： 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO20
封裝： PLASTIC, SOT-163, SO-20
文件頁(yè)數(shù)： 30/31頁(yè)
文件大?。?/td> 292K
代理商： 935261315112
1998 Jun 02
8
Philips Semiconductors
Preliminary specication
2
× 1.4 W BTL audio ampliers with digital
volume control and headphone sensing
TDA8552T; TDA8552TS
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
THERMAL CHARACTERISTICS
See Section “Thermal design considerations” in Chapter “Test and application information”.
Table 1
Power rating; note 1
Note
1. The power rating is based on Rth(j-a) with recommended copper pattern of at least 4 × 1cm2 to the corner leads and
copper under the IC package.
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
VDD
supply voltage
operating
0.3
+5.5
V
Vi
input voltage
0.3
VDD + 0.3
V
IORM
repetitive peak output current
1A
Tstg
storage temperature
55
+150
°C
Tamb
operating ambient temperature
40
+85
°C
Vsc
AC and DC short-circuit safe voltage
5.5
V
Ptot
maximum power dissipation
SO20
2.2
W
SSOP20
1.1
W
SYMBOL
PARAMETER
CONDITIONS
VALUE
UNIT
Rth(j-a)
thermal resistance from junction to ambient
for the TDA8552T (SO20)
in free air
60
K/W
extra copper
55
K/W
for the TDA8552TS (SSOP20)
in free air
110
K/W
extra copper
80
K/W
VDD (V)
RL ()
Po (W)
THD = 10%
OPERATION
MUSIC POWER
Pmax (W)
Tamb(max) (°C)
SO20
SSOP20
3.3
4
0.9
BTL
0.55
120
106
3.3
8
0.6
BTL
0.28
134
127
3.3
16
0.3
BTL
0.14
142
139
3.3
32SE
0.035
headphone
0.03
150
5.0
4
2.0
BTL
1.25
81
50
5.0
8
1.4
BTL
0.65
114
98
5.0
16
0.8
BTL
0.32
132
124
5.0
32SE
0.09
headphone
0.07
146
144
continuous sine wave
3.3
4
0.9
BTL
1.1
89
62
5
8
1.4
BTL
1.25
81
50
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