Philips TDA1562SD User Manual download pdf (Page 11)

2003 Feb 12 11

Philips Semiconductors Preliminary speciﬁcation

70 W high efﬁciency power ampliﬁer

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

PIN 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 −−µA

V

st(clB)

class-B operation output voltage I

st

=15µA 2.0 − 3.0 V

I

st(clH)

class-H operation source current −140 −−µA

V

st(clH)

class-H operation output voltage I

st

= −140 µAV

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

V

PH1

V

th−

V

th+

MGL267

fast mute

on

V

P

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 23 24

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