Tda8932b, Nxp semiconductors – NXP Semiconductors TDA8932B User Manual
Page 18
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
V
O
output voltage
protection activated; see
-
-
0.8
V
Operating mode
2
2.5
3.3
V
Bias voltage for inputs: pin INREF
V
O(bias)
bias output voltage
with respect to pin V
SSA
-
2.1
-
V
Half supply voltage
Pins HVP1 and HVP2
V
O
output voltage
half supply voltage to charge SE
capacitor
0.5V
P
−
0.2
0.5V
P
0.5V
P
+
0.2
V
I
O
output current
V
HVP1
= V
O
−
1 V;
V
HVP2
= V
O
−
1 V
-
50
-
mA
Pin HVPREF
V
O
output voltage
half supply reference voltage in
Mute mode
0.5V
P
−
0.2
0.5V
P
0.5V
P
+
0.2
V
Reference voltage for internal logic: pin DREF
V
O
output voltage
4.5
4.8
5.1
V
Amplifier outputs: pins OUT1 and OUT2
|
V
O(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
V
O
output voltage
Mute mode and Operating mode;
with respect to pins V
SSP1
and
V
SSP2
10
11
12
V
Voltage protection
V
P(uvp)
undervoltage protection
supply voltage
8.0
9.2
9.9
V
V
P(ovp)
overvoltage protection
supply voltage
36.1
37.4
40
V
V
P(th)(ubp)l
low unbalance protection
threshold supply voltage
V
HVPREF
= 11 V
-
-
18
V
V
P(th)(ubp)h
high unbalance protection
threshold supply voltage
V
HVPREF
= 11 V
29
-
-
V
Current protection
I
O(ocp)
overcurrent protection
output current
current limiting
4
5
-
A
Temperature protection
T
act(th_prot)
thermal protection activation
temperature
155
-
160
°
C
Table 10.
Static characteristics
…continued
V
P
= 22 V; f
osc
= 320 kHz; T
amb
= 25
°
C; unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit