Philips TDA7056AT - Manual (Page 8)

1998 Feb 23 8
NXP Semiconductors Product specification
3 W mono BTL audio amplifier with DC
volume control
TDA7056AT
Fig.7 Gain control as a function of DC volume
control.
handbook, halfpage
MGM582
40
− 80
20
− 20
− 40
0
0 1.2 2.0 0.4 1.6 0.8
V7 (V)
gain
(dB)
− 60
Fig.8 Noise output voltage as a function of DC
volume control.
Measured with R
s
= 5 k
Ω unweighted; f = 22 Hz to 22 kHz.
handbook, halfpage
1000
0
800
400
200
600
0 1.2 2.0
MGM583
0.4 1.6 0.8
Vn
( μ V)
V7 (V)
Fig.9 Input signal handling as a function of the
supply voltage.
T
amb
= 25 °C; THD = 1%; R
L
= 16 Ω; V
DC
= 0.8 V.
handbook, halfpage
1000
0
200
MGM584
400
600
800
0 4 20 8 12 16
Vi
(mV)
VP (V)
Fig.10 Output power as a function of the supply
voltage.
Measured at THD = 10%. The maximum output power is limited by
the maximum power dissipation and the maximum available output
current.
(1) R
L
= 8 Ω.
(2) R
L
= 16 Ω.
(3) R
L
= 25 Ω.
handbook, halfpage
5
0
1
MGM585
2
3
4
0 4 20 8 12 16
Po
(W)
VP (V)
(1) (2) (3)