SGS Thomson Microelectronics STA7056 Datasheet

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STA7056
3W MONO BRIDGE AMPLIFIER
PRODUCT PREVIEW
NO EXTERNAL COMPONENTS NO POP AT TURN-ON/OFF LOW POWER CONSUMP TION SHORT CIRCUIT PROOF
DESCRIPTION
The STA7056 is a mono Bridge Amplifier assem­bled in single in line 9 pins package.
The STA7056 is specially designed for battery fed portable recorders, radios and TV receivers.
BLOCK DIAGRAM
(1)
VS
2
BI20II TECHNOLOGY
SIP9
ORDERING NUMBER:
STA7056
0.1µF220µF (+)
6
Vi
3
+
RL 16
-
RS
5K
8
SIGNAL GND
4
(-)
POWER GND
7
D99AU1000B
(1) This capacitor can be omitted if the supply electrolytic capacitor is placed closer to pin 2
March 2000
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
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STA7056
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
V
S
I
O
I
O
P
tot
Tj,T
stg
T
sc
PIN CONNECTION
Supply Voltage 20 V Output Peak current (repetitive f 20Hz) 1 A Output Peak current (non repetitive t = 100µs) 1.5 A Total Power Dissipation (Tcase <70°C) 10 W Storage and Function Temperature -40 to 150 °C Short Circuit Time
(the load can be short circuited to all input conditions)
1hr
9 N.C. 8 OUTPUT(-) 7 6 5 4 3 2 1
SIP9
POWER GROUND OUTPUT(+) N.C. SIGNAL GROUND INPUT(+) V
S
N.C.
THERMAL DATA
Symbol Parameter Value Unit
R
th j-case
R
th j-amb
Thermal Resistance Junction-case 8 °C/W Thermal Resistance Junction-ambient 50 °C/W
Power Dissipation
s
Assume: V
= 11V; RL = 16
The minimum sine-wave dissipation is P
max =
d
2
V
S
= 1.52W
2
R
L
π
2
The Rth j - amb of the package is 50°C/W.
T amb (max) = 150 - 50 x 1.52 = 74°C
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