Changhong Electric PF29GA18A, Руководство по обслуживанию, Страница: 20 / 33

LA42000 series is power IC which made Pin compatible possible altogether in 3 to 20W.
It enables communization of a set board.
（
mono, stereo, mono with volume function , stereo with volume function.
）
.
They realized PCB layout communalization of an audio power block of TV.
Functions
・
Po 10W x 2ch (V
CC
=14V,R
L
=8
Ω
,THD=10%)
・
Built–in Standby function.
・
Built–in Mute function.
・
Full complement of built-in protection circuits
(Protection from shorting to ground, shorting to V
CC,
load shorting, and overheating.)
Maximum Ratings at Ta=25
℃
Parameter Symbol Conditions Ratings Unit
Maximum supply voltage V
CC
max No signal 22 V
Allowable power dissipation Pd max Infinite heat sink 15 W
Maximum junction temperature Tj max 150
℃
Thermal resistance
θ
jc
3
℃
/W
Operating temperature Topr -25 to +75
℃
Storage temperature Tstg -40 to +150
℃
Operating Conditions at Ta=25
℃
Parameter Symbol Conditions Ratings Unit
Recommended supply voltage V
CC
14 V
Recommended load resistance RL 8
Ω
Allowable operating voltage range V
CC
op 10 to 20 V
LA42102
10W 2-Channel BTL Power Amplifier
Monolithic Linear IC
Tentative