TDA8944J
2 x 7 W stereo BTL audio amplifier
Philips Semiconductors
9. Limiting values
Table 5: Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
Parameter
Conditions
no signal
Min
−0.3
−0.3
−0.3
-
Max
+25
+18
VCC + 0.3
2
Unit
V
VCC
supply voltage
operating
V
VI
input voltage
V
IORM
Tstg
repetitive peak output current
storage temperature
A
non-operating
−55
−40
-
+150
+85
18
°C
°C
W
V
Tamb
Ptot
operating ambient temperature
total power dissipation
VCC(sc)
supply voltage to guarantee short-circuit
protection
-
15
10. Thermal characteristics
Table 6: Thermal characteristics
Symbol
Rth(j-a)
Parameter
thermal resistance from junction to ambient
Conditions
Value
Unit
K/W
K/W
in free air
40
Rth(j-mb)
thermal resistance from junction to mounting base both channels driven
6.9
11. Static characteristics
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
VCC
Iq
Parameter
Conditions
operating
RL = ∞
Min
Typ
Max
18
Unit
V
supply voltage
6
-
12
24
-
[1]
[2]
quiescent supply current
standby supply current
DC output voltage
36
mA
µA
V
Istb
VMODE = VCC
-
10
VO
-
6
-
-
[3]
∆VOUT
differential output voltage offset
mode selection input voltage
-
200
0.5
mV
V
VMODE
operating mode
mute mode
0
3
-
-
VCC − 1.5
V
standby mode
0 < VMODE < VCC
V
CC − 0.5
-
VCC
20
V
IMODE
mode selection input current
-
-
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 (∆VOUT) divided by the load resistance (RL).
[2] The DC output voltage with respect to ground is approximately 0.5VCC
.
[3] ∆VOUT
= VOUT+ − VOUT−
9397 750 06861
© Philips Electronics N.V. 2000. All rights reserved.
Product specification
Rev. 02 — 14 February 2000
7 of 21
NXP [ NXP ]
