SA58631 Datasheet, PDF (5/21 Pages) NXP Semiconductors – 3 W BTL audio amplifier

NXP Semiconductors
SA58631
3 W BTL audio amplifier
9. Limiting values
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter
Conditions
Min
V_CC
supply voltage
V_I
input voltage
operating
−0.3
−0.3
I_ORM
T_stg
T_amb
V_P(sc)
P_tot
repetitive peak output current
storage temperature
ambient temperature
short-circuit supply voltage
total power dissipation
non-operating
operating
HVSON8
-
−55
−40
[1] _-
-
[1] AC and DC short-circuit safe voltage.
Max
Unit
+18
V
V_CC + 0.3 V
1
A
+150
°C
+85
°C
10
V
2.3
W
10. Thermal characteristics
Table 5.
Symbol
R_th(j-a)
R_th(j-sp)
Thermal characteristics
Parameter
thermal resistance from junction to
ambient
thermal resistance from junction to
solder point
Conditions
free air
9.7 cm² (1.5 in²)
heat spreader
32 cm² (5 in²)
heat spreader
Typ
80
[1] ₃₂
[1] ₂₈
5
Unit
K/W
K/W
K/W
K/W
[1] Thermal resistance is 28 K/W with DAP soldered to 32 cm² (5 in²), 35 µm copper (1 ounce copper) heat
spreader.
SA58631_2
Product data sheet
Rev. 02 — 12 October 2007
© NXP B.V. 2007. All rights reserved.
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