Philips TDA1562Q 用户手册
2003 Feb 12
11
Philips Semiconductors
Preliminary specification
70 W high efficiency power amplifier
with diagnostic facility
with diagnostic facility
TDA1562Q; TDA1562ST;
TDA1562SD
V
th2+
threshold voltage 2+
class-B
→
class-H
−
−
4.2
V
V
th2
−
threshold voltage 2
−
class-H
→
class-B
3.3
−
−
V
V
stH2
hysteresis
(V
th2+
−
V
th1
−
)
−
200
−
mV
P
IN
STAT
AS OUTPUT
I
st(mute)
mute acknowledge sink current
2.2
−
−
mA
V
st(mute)
mute acknowledge output voltage
I
st
= 2.2 mA
−
−
0.5
V
I
st(clB)
class-B operation output current
15
−
−
µ
A
V
st(clB)
class-B operation output voltage
I
st
= 15
µ
A
2.0
−
3.0
V
I
st(clH)
class-H operation source current
−
140
−
−
µ
A
V
st(clH)
class-H operation output voltage
I
st
=
−
140
µ
A
V
P
−
2.5
−
−
V
T
c(th)
threshold case temperature sensor
−
120
−
°
C
Diagnostic output DIAG
V
DIAG
output voltage
active LOW
−
−
0.6
V
R
L
load resistance for open load detection
100
−
−
Ω
T
j(th)
threshold junction temperature sensor
−
145
−
°
C
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Fig.6 Supply voltage transfer characteristic.
handbook, full pagewidth
VPH1
Vth
−
Vth
+
MGL267
fast mute
on
VP