Philips TDA1562Q, TDA1562SD, TDA1562ST - page 11

2003 Feb 12 11
Philips Semiconductors Preliminary specification
70 W high efficiency power amplifier
with diagnostic facility TDA1562Q; TDA1562ST; TDA1562SD
Vth2+ threshold voltage 2+ class-B →class-H −−4.2 V
Vth2−threshold voltage 2−class-H →class-B 3.3 −−V
V
stH2 hysteresis (Vth2+ −Vth1−)−200 −mV
PIN STAT AS OUTPUT
Ist(mute) mute acknowledge sink current 2.2 −−mA
Vst(mute) mute acknowledge output voltage Ist = 2.2 mA −−0.5 V
Ist(clB) class-B operation output current 15 −−µA
V
st(clB) class-B operation output voltage Ist =15µA 2.0 −3.0 V
Ist(clH) class-H operation source current −140 −−µA
V
st(clH) class-H operation output voltage Ist =−140 µAV P
−2.5 −−V
T
c(th) threshold case temperature sensor −120 −°C
Diagnostic output DIAG
VDIAG output voltage active LOW −−0.6 V
RLload 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