TDA8547 Datasheet, PDF (12/24 Pages) NXP Semiconductors – 2 x 1 W BTL audio amplifier with output channel switching

Philips Semiconductors
2 × 1 W BTL audio amplifier with output
channel switching
Preliminary specification
TDA8547
handbook, h³alfpage
P
(W)
MGD896
handbook, h³alfpage
P
(1)
(W)
2
(1)
(2)
2
(2)
1
1
MGD897
0
0
4
8 _{VCC (V)} 12
(1) R_L = 8 Ω.
(2) R_L = 16 Ω.
Fig.11 Worst case power dissipation as a function
of V_CC (both channels on).
0
0
0.5
1
1.5
2
2.5
Po (W)
Sine wave of 1 kHz.
(1) V_CC = 9 V; R_L = 16 Ω.
(2) V_CC = 5 V; R_L = 8 Ω.
Fig.12 Power dissipation as a function of P_o (both
channels on).
10
handboo_Vk,_ohalfpage
(V)
1
MGL211
10^−1
10^−2
10^−3
(1) (2) (3)
10^−4
10^−5
10^−6
10^−1
1
Band-pass = 22 Hz to 22 kHz.
(1) V_CC = 3 V.
(2) V_CC = 5 V.
(3) V_CC = 12 V.
10
10²
VMODE (V)
Fig.13 V_o as a function of V_MODE.
1997 Oct 07
handbook,¹h⁶alfpage
VMODE
(V)
12
8
4
0
0
4
MGL210
standby
mute
operating
8
12
16
VP (V)
Fig.14 V_MODE as a function of V_P.
12