Limiting values, Thermal characteristics, Static characteristics – Philips TDA8946J User Manual
Page 7: Tda8946j, Philips semiconductors
Philips Semiconductors
TDA8946J
2 x 15 W stereo BTL audio amplifier
Product specification
Rev. 02 — 14 March 2000
7 of 23
9397 750 06863
© Philips Electronics N.V. 2000. All rights reserved.
9.
Limiting values
10. Thermal characteristics
11. Static characteristics
[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
(∆
V
OUT
) divided by the load resistance (R
L
).
[2]
The DC output voltage with respect to ground is approximately 0.5V
CC
.
[3]
∆
V
OUT
=
V
OUT+
−
V
OUT
−
Table 5:
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
Parameter
Conditions
Min
Max
Unit
V
CC
supply voltage
no signal
−
0.3
+25
V
operating
−
0.3
+18
V
V
I
input voltage
−
0.3
V
CC
+ 0.3
V
I
ORM
repetitive peak output current
-
2
A
T
stg
storage temperature
non-operating
−
55
+150
°
C
T
amb
operating ambient temperature
−
40
+70
°
C
P
tot
total power dissipation
-
28
W
V
CC(sc)
supply voltage to guarantee short-circuit
protection
-
15
V
Table 6:
Thermal characteristics
Symbol
Parameter
Conditions
Value
Unit
R
th(j-a)
thermal resistance from junction to ambient
in free air
40
K/W
R
th(j-mb)
thermal resistance from junction to mounting base both channels driven
4.5
K/W
Table 7:
Static characteristics
V
CC
= 18 V; T
amb
= 25
°
C; R
L
= 8
Ω
; V
MODE
= 0 V; V
i
= 0 V; measured in test circuit
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
V
CC
supply voltage
operating
6
18
25
V
I
q
quiescent supply current
R
L
=
∞
-
28
42
mA
I
stb
standby supply current
V
MODE
= V
CC
-
-
10
µ
A
V
O
DC output voltage
-
9
-
V
∆
V
differential output voltage offset
-
-
200
mV
V
MODE
mode selection input voltage
operating mode
0
-
0.5
V
mute mode
3
-
V
CC
−
1.5
V
standby mode
V
CC
−
0.5
-
V
CC
V
I
MODE
mode selection input current
0 < V
MODE
< V
CC
-
-
20
µ
A