TDA8922C Datasheet, PDF (13/40 Pages) NXP Semiconductors – 2 X 75 W class-D power amplifier

NXP Semiconductors
TDA8922C
2 × 75 W class-D power amplifier
10. Thermal characteristics
Table 7.
Symbol
R_th(j-a)
R_th(j-c)
Thermal characteristics
Parameter
thermal resistance from junction to ambient
thermal resistance from junction to case
Conditions
in free air
Typ
Unit
40
K/W
1.5
K/W
11. Static characteristics
Table 8. Static characteristics
V_DD = 30 V; V_SS = −30 V; f_osc = 350 kHz; T_amb = 25 °C; unless otherwise specified.
Symbol Parameter
Conditions
Min Typ
Supply
V_DD
V_SS
V_th(ovp)
V_th(uvp)
supply voltage
negative supply voltage
overvoltage protection threshold
voltage
undervoltage protection threshold
voltage
Operating mode
Operating mode
Standby, Mute modes
V_DD − V_SS
V_DD − V_SS
[1] _{12.5 30}
[2] _{−12.5 −30}
65
-
20
-
V_th(ubp)
unbalance protection threshold voltage
[3] _-
33
I_q(tot)
total quiescent current
Operating mode; no load; no
filter; no RC-snubber network
connected
-
40
I_stb
standby current
Mode select input; pin MODE
-
480
V_MODE
voltage on pin MODE
referenced to SGND
Standby mode
[4] ₀
-
[4][5] ₀
-
Mute mode
[4][5] _2.1
-
Operating mode
[4][5] _4.2
-
I_I
input current
Audio inputs; pins IN1M, IN1P, IN2P and IN2M
V_I = 5.5 V
-
110
V_I
input voltage
Amplifier outputs; pins OUT1 and OUT2
DC input
[4] _-
0
V_O(offset) output offset voltage
SE; Mute mode
SE; Operating mode
-
-
[6] _-
-
BTL; Mute mode
-
-
BTL; Operating mode
[6] _-
-
Stabilizer output; pin STABI
V_O(STABI) output voltage on pin STABI
Mute and Operating modes;
with respect to VSSD
9.3 9.8
Temperature protection
T_{act(th_prot)} thermal protection activation
temperature
-
154
Max Unit
32.5 V
−32.5 V
70
V
25
V
-
%
70
mA
650 µA
6
V
0.8 V
2.9 V
6
V
150 µA
-
V
±25 mV
±150 mV
±30 mV
±210 mV
10.3 V
-
°C
TDA8922C_1
Product data sheet
Rev. 01 — 7 September 2009
© NXP B.V. 2009. All rights reserved.
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