TDA8586 Datasheet, PDF (11/24 Pages) NXP Semiconductors – Power amplifier with load detection and auto BTL/SE selection

Philips Semiconductors
Power amplifier with load detection and
auto BTL/SE selection
Preliminary specification
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
I_q(tot)
I_stb
V_O
V_P(mute)
V_o
V_I
operating supply voltage
total quiescent current
standby current
DC output voltage
low supply voltage mute
single-ended and bridge-tied
load output voltage
DC input voltage
SE mode
V_P = 14.4 V
V_P = 14.4 V; R_L = 4 Ω
mute condition
on condition
V_P = 14.4 V
8.0
14.4 18
V
−
140
170
mA
−
1
100
µA
−
7.0
−
V
6.0
7.0
8.0
V
−
−
20
mV
−
−
100
mV
−
4.0
−
V
PIN MSO
V_MSO
voltage at pin MSO
standby condition
mute condition; note 1
0
−
0.8
V
2.0
3.0
4
V
I_MSO
input current
on condition
8.0
−
mute pin at standby condition; −
5
V_MSO < 0.8 V
10.5 V
40
µA
Diagnostic; output buffer (open-collector); see Figs 7 to 8
V_DIAG(L)
I_LI
V_DIAG(or)
diagnostic output voltage LOW I_sink = 1 mA
leakage current
V_DIAG = 14.4 V
diagnostic override voltage in mute mode after load
detection
−
0.3
0.8
V
−
−
1
µA
10.5
−
18
V
V_DIAG(4ch) diagnostic 4 channel indication mute, after load detection with −
voltage
4 speakers connected
0.3
0.8
V
CD2
CD10
clip detector LOW
clip detector HIGH
THD mode; V_DIAG > 3 V;
R = 10 kΩ
THD mode (default);
V_DIAG > 3 V; R = 10 kΩ
0.5
2
7
10
3.5
%
13
%
CLIP DETECT CONTROL PIN
V_DDDSEL
I_DDDSEL
voltage at DDD select pin to
obtain:
Input current DDD select pin
10% DDD
2% DDD
V_DDDSEL = 5 V
0
−
3
−
15
−
1
V
6
V
140
µA
1999 Apr 08
11