TDA8944J 데이터 시트보기 (PDF) - NXP Semiconductors.
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TDA8944J Datasheet PDF : 22 Pages
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NXP Semiconductors
TDA8944J
2 x 7 W stereo BTL audio amplifier
9. Limiting values
Table 5: Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
Parameter
Conditions
VCC
supply voltage
no signal
operating
VI
IORM
Tstg
Tamb
Ptot
VCC(sc)
input voltage
repetitive peak output current
storage temperature
non-operating
operating ambient temperature
total power dissipation
supply voltage to guarantee short-circuit
protection
10. Thermal characteristics
Min
Max
Unit
−0.3
+25
V
−0.3
+18
V
−0.3
-
VCC + 0.3 V
2
A
−55
+150
°C
−40
+85
°C
-
18
W
-
15
V
Table 6: Thermal characteristics
Symbol
Parameter
Conditions
Rth(j-a)
Rth(j-mb)
thermal resistance from junction to ambient
in free air
thermal resistance from junction to mounting base both channels driven
11. Static characteristics
Value Unit
40
K/W
6.9
K/W
Table 7: Static characteristics
VCC = 12 V; Tamb = 25 °C; RL = 8 Ω; VMODE = 0 V; Vi = 0 V; measured in test circuit Figure 14; unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VCC
supply voltage
operating
6
12
18
V
Iq
quiescent supply current
RL = ∞
[1] -
24
36
mA
Istb
VO
ΔVOUT [3]
standby supply current
DC output voltage
VMODE = VCC
-
[2] -
differential output voltage offset
-
-
10
μA
6
-
V
-
200
mV
VMODE
IMODE
mode selection input voltage
mode selection input current
operating mode
mute mode
standby mode
0 < VMODE < VCC
0
-
3
-
VCC − 0.5 -
-
-
0.5
V
VCC − 1.5 V
VCC
V
20
μA
[1] With a load connected at the outputs the quiescent current will increase, the maximum of this increase being equal to the differential
output voltage offset (ΔVOUT) divided by the load resistance (RL).
[2] The DC output voltage with respect to ground is approximately 0.5VCC.
[3] ΔVOUT = ⎪VOUT+ − VOUT− ⎪
9397 750 06861
Product specification
Rev. 02 — 14 February 2000
© NXP B.V. 2010. All rights reserved.
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