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TDA8922C Datasheet(PDF) 13 Page - NXP Semiconductors

Part No. TDA8922C
Description  2 X 75 W class-D power amplifier
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Maker  NXP [NXP Semiconductors]
Homepage  http://www.nxp.com
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TDA8922C Datasheet(HTML) 13 Page - NXP Semiconductors

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TDA8922C_1
© NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 01 — 7 September 2009
13 of 40
NXP Semiconductors
TDA8922C
2
× 75 W class-D power amplifier
10. Thermal characteristics
11. Static characteristics
Table 7.
Thermal characteristics
Symbol
Parameter
Conditions
Typ
Unit
Rth(j-a)
thermal resistance from junction to ambient
in free air
40
K/W
Rth(j-c)
thermal resistance from junction to case
1.5
K/W
Table 8.
Static characteristics
VDD =30V; VSS = −30 V; fosc = 350 kHz; Tamb = 25 °C; unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Supply
VDD
supply voltage
Operating mode
[1] 12.5
30
32.5
V
VSS
negative supply voltage
Operating mode
[2]
−12.5 −30
−32.5 V
Vth(ovp)
overvoltage protection threshold
voltage
Standby, Mute modes
VDD − VSS
65
-
70
V
Vth(uvp)
undervoltage protection threshold
voltage
VDD − VSS
20
-
25
V
Vth(ubp)
unbalance protection threshold voltage
[3] -33
-
%
Iq(tot)
total quiescent current
Operating mode; no load; no
filter; no RC-snubber network
connected
-
4070mA
Istb
standby current
-
480
650
µA
Mode select input; pin MODE
VMODE
voltage on pin MODE
referenced to SGND
[4] 0-
6V
Standby mode
[4][5] 0
-
0.8
V
Mute mode
[4][5] 2.1
-
2.9
V
Operating mode
[4][5] 4.2
-
6
V
II
input current
VI = 5.5 V
-
110
150
µA
Audio inputs; pins IN1M, IN1P, IN2P and IN2M
VI
input voltage
DC input
[4] -0
-V
Amplifier outputs; pins OUT1 and OUT2
VO(offset)
output offset voltage
SE; Mute mode
-
-
±25
mV
SE; Operating mode
[6] --
±150
mV
BTL; Mute mode
-
-
±30
mV
BTL; Operating mode
[6] --
±210
mV
Stabilizer output; pin STABI
VO(STABI)
output voltage on pin STABI
Mute and Operating modes;
with respect to VSSD
9.3
9.8
10.3
V
Temperature protection
Tact(th_prot)
thermal protection activation
temperature
-
154
-
°C


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