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TDA8932B Datasheet(PDF) 17 Page - NXP Semiconductors

Part No. TDA8932B
Description  Class-D audio amplifier
Download  48 Pages
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Maker  NXP [NXP Semiconductors]
Homepage  http://www.nxp.com
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TDA8932B Datasheet(HTML) 17 Page - NXP Semiconductors

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TDA8932B_4
© NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 04 — 18 December 2008
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 µm 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 µm copper, FR4 base material in free air with natural convection.
12. Static characteristics
HTSSOP32 package
Rth(j-a)
thermal resistance from junction
to ambient
free air natural convection
JEDEC test board
[1] -
47
50
K/W
2 layer application board
[4] -
48
-
K/W
Ψj-lead
thermal characterization
parameter from junction to lead
-
-
30
K/W
Ψj-top
thermal characterization
parameter from junction to top of
package
[3] -
-
2
K/W
Rth(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
VP = 22 V; fosc = 320 kHz; Tamb =25 °C; unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Supply
VP
supply voltage
asymmetrical supply
10
22
36
V
symmetrical supply
±5
±11
±18
V
IP
supply current
Sleep mode; no load
-
145
195
µA
Iq(tot)
total quiescent current
Operating mode; no load, no
snubbers and no filter connected
-
4050mA
Series resistance output power switches
RDSon
drain-source on-state
resistance
Tj =25 °C
-
150
-
m
Tj = 125 °C
-
234
-
m
Power-up input: pin POWERUP[1]
VI
input voltage
0
-
6.0
V
II
input current
VI =3V
-
1
20
µA
VIL
LOW-level input voltage
0
-
0.8
V
VIH
HIGH-level input voltage
2
-
6.0
V
Engage input: pin ENGAGE[1]
VO
output voltage
open pin
2.4
2.8
3.1
V
VI
input voltage
0
-
6.0
V
IO
output current
VI = 0 V
-
50
60
µA
VIL
LOW-level input voltage
0
-
0.8
V
VIH
HIGH-level input voltage
2.4
-
6.0
V


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