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TFA9810_3 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 03 — 20 February 2008 15 of 29
NXP Semiconductors
TFA9810
Audio amplifier 2 x 12 W
11. Thermal characteristics
[1] Measured in a JEDEC high K-factor test board (standard EIA/JESD 51-7) in free air with natural convection.
[2] Strongly depends on where the measurement is taken on the case.
12. Characteristics
12.1 Static characteristics
V
x
voltage on pin x DIAG V
SS
− 0.3 +12 V
IN1P - IN1N −12 +12 V
IN2P - IN2N −12 +12 V
all other pins V
SS
− 0.3 V
DD
+ 0.3 V
V
esd
electrostatic discharge voltage VINX with
respect to
other pins
−1500 +1500 V
all other pins −2000 +2000 V
Table 7. Limiting values
…continued
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter Conditions Min Max Unit
Table 8. Characteristics
Symbol Parameter Conditions Min Typ Max Unit
R
th(j-a)
thermal resistance
from junction to
ambient
SO32. JEDEC test board
SO32. Two-layer application
board
[1]
-
-
41
44
44
-
K/W
K/W
Ψ
j-lead
thermal
characterization
parameter from
junction to lead
SO32
[1]
30 K/W
Ψ
j-top
thermal
characterization
parameter from
junction to top of
package
SO32
[1] [2]
4 8 K/W
Table 9. Static characteristics
T
amb
= 25
°
C; V
P
= 12 V; f
osc
= 550 kHz; Figure 33 unless otherwise specified
Symbol Parameter Conditions Min Typ Max Unit
Supply voltage
V
P
supply voltage V
P
= V
DDPx
− V
SSPx
8 1220V
I
off
off-state current off mode - 110 200 µA
I
q
quiescent current with load, filter, and snubbers
connected
- 3545mA
ENABLE input
V
IL
LOW-level input voltage with respect to V
SSD
−0.3 - +0.8 V
V
IH
HIGH-level input voltage with respect to V
SSD
3- V
P
V