NXP Semiconductors TDA8932B, Лист данных продукта

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TDA8932B_3 © NXP B.V. 21 June 2007. All rights reserved.
Product data sheet Rev. 03— 21 June 2007 18 of 48
NXP Semiconductors
TDA8932B
Class-D audio amplifier
Diagnostic output: pin DIAG
[1]
V
O
output voltage protection activated; see Table 6 - - 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