Philips Semiconductors
70 W high efficiency power amplifier
with diagnostic facility
Preliminary specification
TDA1562Q; TDA1562ST;
TDA1562SD
QUALITY SPECIFICATION
Quality in accordance with “SNW-FQ-611D”, if this type is used as an audio amplifier.
THERMAL CHARACTERISTICS
SYMBOL
Rth(j-c)
Rth(j-a)
PARAMETER
thermal resistance from junction to case
thermal resistance from junction to ambient
CONDITIONS
in free air
VALUE
1.5
40
UNIT
K/W
K/W
DC CHARACTERISTICS
VP = 14.4 V; RL = 4 Ω; Tamb = 25 °C; measurements in accordance with Fig.9; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX.
Supplies VP1 and VP2
VP
VP(th+)
VP(th−)
VP(H1)
Iq
supply voltage
supply threshold voltage
supply threshold voltage
hysteresis (Vth+ − Vth−)
quiescent current
Istb
standby current
Amplifier outputs OUT+ and OUT−
VO
VOO
∆VOO
output voltage
output offset voltage
delta output offset voltage
Mode select input MODE
VI
input voltage
II
input current
Vth1+
threshold voltage 1+
Vth1−
threshold voltage 1−
VmsH1
hysteresis (Vth1+ − Vth1−)
Vth2+
threshold voltage 2+
Vth2−
threshold voltage 2−
VmsH2
hysteresis (Vth2+ − Vth2−)
Status I/O STAT
8
mute → on
7
on → mute
7
−
on and mute;
−
RL = open circuit
standby
−
on and mute
−
on and mute
−
on ↔ mute
−
0
VMODE = 14.4 V
−
standby → mute
1
mute → standby
0.9
−
mute → on
3.3
on → mute
3.3
−
14.4 18
−
9
−
9
200
−
110
150
3
50
6.5
−
−
100
−
30
−
VP
15
20
−
2.2
−
2
200
−
−
4.2
−
4
200
−
PIN STAT AS INPUT
Vst
Ist(H)
Ist(L)
Vth1+
Vth1−
VstH1
input voltage
HIGH-level input current
LOW-level input current
threshold voltage 1+
threshold voltage 1−
hysteresis (Vth1+ − Vth1−)
0
VSTAT = 14.4 V
−
VSTAT = 0 V
−
fast mute → class-B −
class-B → fast mute 1
−
−
3.5
−350
−
−
200
VP
4.5
−400
2
−
−
UNIT
V
V
V
mV
mA
µA
V
mV
mV
V
µA
V
V
mV
V
V
mV
V
mA
µA
V
V
mV
2003 Feb 12
10