TDA8954 NXP Semiconductors, TDA8954 Datasheet - Page 19

• Manufacturer Part Number: TDA8954
• Description: The TDA8954 is a stereo or mono high–efficiency Class D audio power amplifier in asingle IC featuring low power dissipation
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 9.
V
[1]
[2]
[3]
[4]
[5]
TDA8954_1
Product data sheet
Symbol
I
I
I
Mode select input; pin MODE
V
I
Audio inputs; pins IN1M, IN1P, IN2P and IN2M
V
Amplifier outputs; pins OUT1 and OUT2
V
Stabilizer output; pin STABI
V
Temperature protection
T
T
T
T
T
DD(tot)
SS(tot)
stb
I
DD
rst(warn)th_fold
act(warn)th_fold
act(th_fold)
hg(th_fold)
act(th_prot)
MODE
I
O(offset)
O(STABI)
V
V
Unbalance protection activated when V
With respect to SGND (0 V).
The transition between Standby and Mute modes has hysteresis, while the slope of the transition between Mute and Operating modes is
determined by the time-constant of the RC network on pin MODE; see
= 41 V; V
DD
SS
is the supply voltage on pins VSSP1, VSSP2 and VSSA.
is the supply voltage on pins VDDP1, VDDP2 and VDDA.
Static characteristics
SS
Parameter
total positive supply current
total negative supply current
standby current
voltage on pin MODE
input current
input voltage
output offset voltage
output voltage on pin STABI
thermal foldback warning
reset temperature
thermal foldback warning
activation temperature
thermal foldback activation
temperature
thermal foldback half gain
temperature
thermal protection activation
temperature
=
−
41 V; f
osc
= 335 kHz; T
…continued
DDA
amb
> 2 × |V
= 25
Conditions
the sum of the currents through pins
VDDA, VDDP1 and VDDP2
Operating mode; no load; no filter;
no RC-snubber network connected;
the sum of the currents through pins
VSSA, VSSP1 and VSSP2
Operating mode; no load; no filter;
no RC-snubber network connected;
referenced to SGND
Standby mode
Mute mode
Operating mode
Operating mode without TFB
V
DC input
SE; Mute mode
SE; Operating mode
BTL; Mute mode
BTL; Operating mode
Mute and Operating modes; with
respect to VSSA
V
V
Rev. 01 — 24 December 2009
I
MODE
MODE
SSA
= 5.5 V
°
C; unless otherwise specified.
| OR |V
< 5.5 V
< 5.5 V; gain = 24 dB
SSA
| > 2 × V
Figure
DDA
.
11.
2 × 210 W class-D power amplifier
[4][5]
[4][5]
[4][5]
[4][5]
[4]
[4]
[6]
[6]
Min
-
-
-
0
0
2.2
4.2
6.6
-
-
−37
−150
−30
−210
9.5
-
-
-
-
-
Typ
50
65
490
-
-
-
-
-
110
0
-
-
-
-
10
138
139
145
153
154
TDA8954
© NXP B.V. 2009. All rights reserved.
Max
60
75
650
8
0.8
3.0
5.5
8
150
-
+37
+150
+30
+210
10.5
-
-
-
-
-
19 of 46
Unit
mA
mA
μA
V
V
V
V
μA
V
mV
mV
mV
mV
V
°C
°C
°C
°C
°C