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TDA8932B Datasheet(PDF) 18 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) 18 Page - NXP Semiconductors

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TDA8932B_4
© NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 04 — 18 December 2008
18 of 48
NXP Semiconductors
TDA8932B
Class-D audio amplifier
Diagnostic output: pin DIAG[1]
VO
output voltage
protection activated; see Table 6
-
-
0.8
V
Operating mode
2
2.5
3.3
V
Bias voltage for inputs: pin INREF
VO(bias)
bias output voltage
with respect to pin VSSA
-
2.1
-
V
Half supply voltage
Pins HVP1 and HVP2
VO
output voltage
half supply voltage to charge SE
capacitor
0.5VP
0.2
0.5VP
0.5VP +
0.2
V
IO
output current
VHVP1 = VO − 1V;
VHVP2 =VO − 1V
-50
-
mA
Pin HVPREF
VO
output voltage
half supply reference voltage in
Mute mode
0.5VP
0.2
0.5VP
0.5VP +
0.2
V
Reference voltage for internal logic: pin DREF
VO
output voltage
4.5
4.8
5.1
V
Amplifier outputs: pins OUT1 and OUT2
|VO(offset)|
output offset voltage
SE; with respect to pin HVPREF
Mute mode
-
-
15
mV
Operating mode
-
-
100
mV
BTL
Mute mode
-
-
20
mV
Operating mode
-
-
150
mV
Stabilizer output: pins STAB1 and STAB2
VO
output voltage
Mute mode and Operating mode;
with respect to pins VSSP1 and
VSSP2
10
11
12
V
Voltage protection
VP(uvp)
undervoltage protection
supply voltage
8.0
9.2
9.9
V
VP(ovp)
overvoltage protection
supply voltage
36.1
37.4
40
V
VP(th)(ubp)l
low unbalance protection
threshold supply voltage
VHVPREF = 11 V
-
-
18
V
VP(th)(ubp)h
high unbalance protection
threshold supply voltage
VHVPREF = 11 V
29
-
-
V
Current protection
IO(ocp)
overcurrent protection
output current
current limiting
4
5
-
A
Temperature protection
Tact(th_prot)
thermal protection activation
temperature
155
-
160
°C
Table 10.
Static characteristics …continued
VP = 22 V; fosc = 320 kHz; Tamb =25 °C; unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit


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