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Philips Semiconductors
3 W BTL mono audio output amplifier with
DC volume control
CHARACTERISTICS
V
= 12 V; f = 1 kHz; R
P
L
SYMBOL
V
positive supply voltage range
P
I
total quiescent current
P
Maximum gain (V
= 1.4 V)
5
P
output power
O
THD
total harmonic distortion
G
voltage gain
v
V
input signal handling
I
V
noise output voltage (RMS value)
no(rms)
B
bandwidth
SVRR
supply voltage ripple rejection
V
DC output offset voltage
off
Z
input impedance pin 3
I
Minimum gain (V
= 0.5 V)
5
G
voltage gain
v
V
noise output voltage (RMS value)
no(rms)
Mute position
V
output voltage in mute position
O
DC volume control
gain control range
I
control current
5
Notes to the characteristics
1. With a load connected to the outputs the quiescent current will increase, the maximum value of this increase being
equal to the DC output offset voltage divided by R
2. The noise output voltage (RMS value) at f = 500 kHz is measured with R
3. The ripple rejection is measured with R
is applied to the positive supply rail.
4. The noise output voltage (RMS value) is measured with R
July 1994
= 16 ; T
= 25 C; unless otherwise specified (see Fig.6)
amb
PARAMETER
= 0
S
CONDITIONS
V
= 12 V; R
= ; note 1
P
L
THD = 10%; R
= 16
L
THD = 10%; R
= 8
L
P
= 0.5 W
O
V
= 0.8 V;THD
5
f = 500 kHz; note 2
at 1 dB
note 3
note 4
V
0.3 V; V
= 600 mV
5
I
V
= 0 V
5
.
L
and f = 100 Hz to 10 kHz. The ripple voltage of 200 mV (RMS value)
= 5 k unweighted.
S
5
MIN.
TYP.
4.5
8
3
3.5
5.2
0.3
34.5
35.5
1%
0.5
0.65
210
20 Hz to
300 kHz
38
46
0
15
20
44
20
75
80
60
70
= 0
and bandwidth = 5 kHz.
S
Product specificiation
TDA7056A
MAX.
UNIT
18
V
16
mA
W
W
1
%
36.5
dB
V
V
dB
150
mV
25
k
dB
30
V
30
V
dB
80
A
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