NXP Semiconductors TDA8932B - page 18

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]
VOoutput 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
VOoutput voltage half supply voltage to charge SE
capacitor 0.5VP− 0.2 0.5VP0.5VP + 0.2 V
IOoutput current VHVP1 = VO−1V;
VHVP2 =V
O−1V -50-mA
Pin HVPREF
VOoutput voltage half supply reference voltage in
Mute mode 0.5VP− 0.2 0.5VP0.5VP + 0.2 V
Reference voltage for internal logic: pin DREF
VOoutput 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
VOoutput 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)
V
P
= 22 V; f
osc
= 320 kHz; T
amb
=25 ° C; unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit