Philips TDA8586, Техническое описание

Страница: 11 / 24

2001 Jul 23 11
Philips Semiconductors Preliminary specification
Power amplifier with load detection and
auto BTL/SE selection
TDA8586
CHARACTERISTICS
V
P
= 14.4 V; T
amb
= 25
°
C; f
i
= 1 kHz; R
L
=
∞
; measured in test circuit of Fig.8; unless otherwise specified.
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
Supplies
V
P
operating supply voltage 8.0 14.4 18 V
I
q(tot)
total quiescent current SE mode
−
140 170 mA
I
stb
standby current
−
1 100
µ
A
V
O
DC output voltage V
P
= 14.4 V
−
7.0
−
V
V
P(mute)
low supply voltage mute 6.0 7.0 8.0 V
V
o
single-ended and bridge-tied
load output voltage V
P
= 14.4 V; R
L
= 4
Ω
mute condition
− −
20 mV
on condition
− −
100 mV
V
I
DC input voltage V
P
= 14.4 V
−
4.0
−
V
P
IN
MSO
V
MSO
voltage at pin MSO standby condition 0
−
0.8 V
mute condition; note 1 2.0 3.0 4 V
on condition 8.0
−
10.5 V
I
MSO
input current mute pin at standby condition;
V
MSO
< 0.8 V
−
5 40
µ
A
Diagnostic; output buffer (open-collector); see Figs 7 to 8
V
DIAG(L)
diagnostic output voltage LOW I
sink
= 1 mA
−
0.3 0.8 V
I
LI
leakage current V
DIAG
= 14.4 V
− −
1
µ
A
V
DIAG(or)
diagnostic override voltage in mute mode after load
detection 10.5
−
18 V
V
DIAG(4ch)
diagnostic 4 channel indication
voltage mute, after load detection with
4 speakers connected
−
0.3 0.8 V
CD2 clip detector LOW THD mode; V
DIAG
> 3 V;
R = 10 k
Ω
0.5 2 3.5 %
CD10 clip detector HIGH THD mode (default);
V
DIAG
> 3 V; R = 10 k
Ω
7 10 13 %
C
LIP DETECT CONTROL PIN
V
DDDSEL
voltage at DDD select pin to
obtain: 10% DDD 0
−
1 V
2% DDD 3
−
6 V
I
DDDSEL
Input current DDD select pin V
DDDSEL
= 5 V 15
−
140
µ
A
Stereo BTL application (see Fig.7)
THD total harmonic distortion f
i
= 1 kHz; P
o
= 1 W; R
L
= 4
Ω −
0.05 0.15 %
45 Hz < f
i
< 10 kHz; P
o
= 1 W;
R
L
= 4
Ω
; filter: f < 30 kHz
−
0.3
−
%
P
o
output power V
P
= 14.4 V; R
L
= 4
Ω
; note 2
THD = 0.5% 14 15
−
W
THD = 10% 17 21
−
W