TDA7056AT_15 Datasheet, PDF (7/18 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
handbook,²h⁰alfpage
Iq
(mA)
16
MGM578
12
8
4
0
0
4
8
12
16
20
VP (V)
V₅ = 1.4 V; no load.
Fig.3 Quiescent current as a function of the
supply voltage.
handbook,¹h²alfpage
THD
(%)
10
8
6
4
2
0
10^−1
MGM579
(1)
1
Po (W)
10
V_DC = 1.4 V.
(1) V_P = 12 V; R_L = 16 Ω.
Fig.4 THD as a function of output power.
handbook, h⁸alfpage
THD
(%)
6
MGM580
4
2
(1)
0
10
10²
10³
10⁴
10⁵
f (Hz)
V_P = 12 V, P_o = 0.5 W, V_DC = 1.4 V.
(1) R_L = 16 Ω.
Fig.5 THD as a function of frequency.
1998 Feb 23
100
handbook, halfpage
RR
(dB)
80
60
40
MGM581
(1)
(2)
(3)
20
0
10
10²
10³
10⁴
10⁵
f (Hz)
V_P = 12 V; R_L = 16 Ω; V_r = 200 mV.
(1) V₇ = 0.3 V; R_s = 5 kΩ.
(2) V₇ = 1.4 V; R_s = 0 Ω.
(3) V₇ = 1.4 V; R_s = 5 kΩ.
Fig.6 Ripple rejection as a function of frequency.
7