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參數(shù)資料
| 型號： | TDA7057Q |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2 x 8W stereo BTL audio output amplifier with DC volume control(帶DC音量控制的2x8W立體聲BTL音頻輸出放大器) |
| 中文描述： | 3 W, 2 CHANNEL, AUDIO AMPLIFIER, PZIP13 |
| 封裝： | POWER, PLASTIC, SOT-141, SIL-BENT-DIL, 13 PIN |
| 文件頁數(shù)： | 5/16頁 |
| 文件大?。?/td> | 116K |
| 代理商： | TDA7057Q |
1998 Apr 07
5
Philips Semiconductors
Product specification
2
×
8 W stereo BTL audio output amplifier
with DC volume control
TDA7057AQ
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
THERMAL CHARACTERISTICS
Power dissipation
Assume V
P
= 12 V and R
L
= 16
. The maximum sine wave dissipation is 2
×
1.8 W = 3.6 W.
At T
amb(max)
= 60
°
C:
R
th tot
= (150
60)/3.6 = 25 K/W.
R
th tot
= R
th j-c
+ R
th c-hs
+ R
th hs
.
R
th c-hs
+ R
th hs
= 25
4 = 21 K/W.
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
V
P
I
ORM
I
OSM
P
tot
T
amb
T
stg
T
vj
t
sc
V
n
supply voltage
repetitive peak output current
non-repetitive peak output current
total power dissipation
operating ambient temperature
storage temperature
virtual junction temperature
short-circuit time
input voltage pins 1, 3, 5 and 7
40
55
18
1.25
1.5
22.5
+85
+150
150
1
5
V
A
A
W
°
C
°
C
°
C
hr
V
T
case
< 60
°
C
SYMBOL
PARAMETER
VALUE
UNIT
R
th j-c
R
th j-a
thermal resistance from junction to case
thermal resistance from junction to ambient in free air
4
40
K/W
K/W
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