TDA7056AT_15 Datasheet, PDF (8/18 Pages) NXP Semiconductors – 3 W mono BTL audio amplifier with DC volume control

NXP Semiconductors
3 W mono BTL audio amplifier with DC
volume control
Product specification
TDA7056AT
hand_gb_ao_io_nk,⁴h⁰alfpage
(dB)
20
MGM582
0
−20
−40
−60
−80
0
0.4
0.8
1.2
1.6
2.0
V7 (V)
Fig.7 Gain control as a function of DC volume
control.
handbo¹o⁰k,⁰h⁰alfpage
Vn
(μV)
800
MGM583
600
400
200
0
0
0.4
0.8
1.2
1.6
2.0
V7 (V)
Measured with R_s = 5 kΩ unweighted; f = 22 Hz to 22 kHz.
Fig.8 Noise output voltage as a function of DC
volume control.
handbo¹o⁰k,⁰h⁰alfpage
Vi
(mV)
800
600
400
200
0
0
4
MGM584
8
12
16
20
VP (V)
T_amb = 25 °C; THD = 1%; R_L = 16 Ω; V_DC = 0.8 V.
Fig.9 Input signal handling as a function of the
supply voltage.
1998 Feb 23
handbook, h⁵alfpage
Po
(W)
4
MGM585
3
(1) (2) (3)
2
1
0
0
4
8
12
16
20
VP (V)
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.
Fig.10 Output power as a function of the supply
voltage.
8