TDA8932B_3
© NXP B.V. 21 June 2007. All rights reserved.
Product data sheet
Rev. 03— 21 June 2007
17 of 48
NXP Semiconductors
TDA8932B
Class-D audio amplifier
[1]
Measured on a JEDEC high K-factor test board (standard EIA/JESD 51-7) in free air with natural convection.
[2]
Two layer application board (55 mm
×
45 mm), 35
µ
m copper, FR4 base material in free air with natural convection.
[3]
Strongly depends on where the measurement is taken on the package.
[4]
Two layer application board (55 mm
×
40 mm), 35
µ
m copper, FR4 base material in free air with natural convection.
12. Static characteristics
HTSSOP32 package
R
th(j-a)
thermal resistance from junction
to ambient
free air natural convection
JEDEC test board
-
47
50
K/W
2 layer application board
-
48
-
K/W
Ψ
j-lead
thermal characterization
parameter from junction to lead
-
-
30
K/W
Ψ
j-top
thermal characterization
parameter from junction to top
-
-
2
K/W
R
th(j-c)
thermal resistance from junction
to case
free air natural convection
-
4.0
-
K/W
Table 9.
Thermal characteristics (Continued)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Table 10.
Static characteristics
V
P
= 22 V; f
osc
= 320 kHz; T
amb
= 25
°
C; unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Supply
V
P
supply voltage
asymmetrical supply
10
22
36
V
symmetrical supply
±
5
±
11
±
18
V
I
P
supply current
Sleep mode; no load
-
0.6
1.0
mA
I
q(tot)
total quiescent current
Operating mode; no load, no
snubbers and no filter connected
-
40
50
mA
Series resistance output power switches
R
DSon
drain-source on-state
resistance
T
j
= 25
°
C
-
150
-
m
Ω
T
j
= 125
°
C
-
234
-
m
Ω
Power-up input: pin POWERUP
V
I
input voltage
0
-
6.0
V
I
I
input current
V
I
= 3 V
-
1
20
µ
A
V
IL
LOW-level input voltage
0
-
0.8
V
V
IH
HIGH-level input voltage
2
-
6.0
V
Engage input: pin ENGAGE
V
O
output voltage
open pin
2.4
2.8
3.1
V
V
I
input voltage
0
-
6.0
V
I
O
output current
V
I
= 0 V
-
50
60
µ
A
V
IL
LOW-level input voltage
0
-
0.8
V
V
IH
HIGH-level input voltage
2.4
-
6.0
V
