2003 Mar 20
12
Philips Semiconductors
Objective specification
2
×
25 W class-D power amplifier
TDA8922
12 STATIC CHARACTERISTICS
V
P
=
±
25 V; T
amb
= 25
°
C; measured in Fig.10; unless otherwise specified.
Notes
1. The circuit is DC adjusted at V
P
=
±
12.5 to
±
30 V.
2. With respect to SGND (0 V).
3. The transition regions between standby, mute and operating mode contain hysteresis (see Fig.7).
4. With respect to V
SSP1
.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
V
P
supply voltage
note 1
±
12.5
±
20
±
30
V
I
q(tot)
total quiescent supply current
no load connected
−
55
75
mA
I
stb
standby supply current
−
100
500
µ
A
Mode select input; pin MODE
V
MODE
input voltage
note 2
0
−
5.5
V
I
MODE
input current
V
MODE
= 5.5 V
−
−
1000
µ
A
V
stb
input voltage for standby mode
notes 2 and 3
0
−
0.8
V
V
mute
input voltage for mute mode
notes 2 and 3
2.2
−
3.0
V
V
on
input voltage for operating mode
notes 2 and 3
4.2
−
5.5
V
Audio inputs; pins IN1
−
, IN1+, IN2+ and IN2
−
V
I
DC input voltage
note 2
−
0
−
V
Amplifier outputs; pins OUT1 and OUT2
V
OO(SE)
output offset voltage
SE; operating and mute
−
−
150
mV
∆
V
OO(SE)
variation of output offset voltage
SE; operating
↔
mute
−
−
80
mV
V
OO(BTL)
output offset voltage
BTL; operating and mute
−
−
215
mV
∆
V
OO(BTL)
variation of output offset voltage
BTL; operating
↔
mute
−
−
115
mV
Stabilizer output; pin STABI
V
o(stab)
stabilizer output voltage
mute and operating; note 4
11
13
15
V
Temperature protection
T
prot
temperature protection activation
150
−
−
°
C
T
hys
hysteresis on temperature
protection
−
20
−
°
C
