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Philips Semiconductors
4 × 44 W into 4 Ω or 4 × 75 W into 2 Ω
quad BTL car radio power amplifier
12 AC CHARACTERISTICS
V
= V
= V
= V
= 14.4 V; R
P
P1
P2
P3
specified.
SYMBOL
P
output power
o
G
voltage gain
v
THD + N
total harmonic distortion plus
noise
α
channel separation
cs
∆G
channel unbalance
v
V
noise output voltage
n(o)
V
output voltage in mute mode
o(mute)
SVRR
supply voltage ripple rejection
Z
input impedance
i
CMRR
common mode rejection ratio
B
power bandwidth
P
f
low frequency roll-off
ro(l)
f
high frequency roll-off
ro(h)
Notes
1. The noise output voltage is measured in a bandwidth of 20 Hz to 20 kHz.
2. The frequency response is fixed with external components.
2002 Jan 14
= 4 Ω; f = 1 kHz; T
L
PARAMETER
o
= 25
C; measured in the circuit of Fig.29; unless otherwise
amb
CONDITIONS
THD + N = 0.5 %
= 4 Ω
R
L
= 2 Ω
R
L
= 2 Ω
THD + N = 1 %; R
L
THD + N = 10 %
= 4 Ω
R
L
= 2 Ω
R
L
EIAJ values
= 4 Ω
R
L
= 2 Ω
R
L
V
= 40 mV (RMS)
i
P
= 1 W; f = 1 kHz
o
P
= 10 W; f = 10 kHz
o
= 0 Ω
V
= 40 mV (RMS); R
i
s
= 0 Ω; note 1
R
s
operating mode
mute mode
mute mode; V
= 1 V (RMS)
i
V
= 2 V (p-p); mute or
ripple
= 0 Ω
operating mode; R
s
≤ 3 V (RMS)
V
i
= 0 Ω;
R
s
V
= 0.35 V (RMS)
cm
= −1 dB
THD + N = 0.5%; P
o
with respect to 17 W
at −1 dB; note 2
at −1 dB
16
Preliminary specification
TDA8591J
MIN.
TYP.
MAX.
−
20
22
−
−
34
−
−
35
−
27
28
−
−
47
41.5
44
−
−
75
25
26
27
−
0.03
0.1
−
−
0.2
−
56
68
−
−
1
−
70
110
−
−
16
−
16
30
−
54
68
−
60
70
−
−
70
−
−
20 to
20000
−
−
25
−
150
300
UNIT
W
W
W
W
W
W
W
dB
%
%
dB
dB
µV
µV
µV
dB
kΩ
dB
Hz
Hz
kHz
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