TDA8543 Datasheet, PDF (6/20 Pages) NXP Semiconductors – 2 W BTL audio amplifier

Philips Semiconductors
2 W BTL audio amplifier
Product specification
TDA8543
DC CHARACTERISTICS
V_CC = 5 V; T_amb = 25 °C; R_L = 8 Ω; V_MODE = 0 V; G = 20 dB; measured in test circuit Fig.4; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
V_CC
I_q
I_stb
V_O
V_OUT+ − V_OUT−
I_IN+, I_IN−
V_MODE
supply voltage
quiescent current
standby current
DC output voltage
differential output voltage offset
input bias current
input voltage mode select
operating
R_L = ∞; note 1
V_MODE = V_CC
note 2
operating
mute
standby
I_MODE
input current mode select
0 < V_MODE < V_CC
MIN.
TYP.
2.2
5
−
8
−
−
−
2.2
−
−
−
−
0
−
1.5
−
V_CC − 0.5 −
−
−
MAX.
UNIT
18
V
12
mA
10
µA
−
V
50
mV
500
nA
0.5
V
V_CC − 1.5 V
V_CC
V
20
µA
Notes
1. With a load connected at the outputs the quiescent current will increase, the maximum of this increase being equal
to the DC output offset voltage divided by R_L.
2. The DC output voltage with respect to ground is approximately 0.5 × V_CC.
AC CHARACTERISTICS
V_CC = 5 V; T_amb = 25 °C; R_L = 8 Ω; f = 1 kHz; V_MODE = 0 V; G = 20 dB; measured in test circuit Fig.4; unless otherwise
specified.
SYMBOL
P_o
THD
G_v
Z_i
V_no
SVRR
V_o
PARAMETER
CONDITIONS
output power
THD = 10%;
V_CC = 5 V; R_L = 8 Ω
V_CC = 7.5 V; R_L = 8 Ω
V_CC = 9 V; R_L = 16 Ω
THD = 0.5%;
total harmonic distortion
closed loop voltage gain
V_CC = 5 V; R_L = 8 Ω
V_CC = 7.5 V; R_L = 8 Ω
V_CC = 9 V; R_L = 16 Ω
P_o = 0.5 W
note 1
differential input impedance
noise output voltage
note 2
supply voltage ripple rejection note 3
note 4
output voltage in mute condition note 5
MIN.
1
−
−
0.6
−
−
−
6
−
−
50
40
−
TYP.
1.2
2.2
2.0
0.9
1.7
1.4
0.15
−
100
−
−
−
−
MAX.
−
−
−
−
−
−
0.3
30
−
100
−
−
200
UNIT
W
W
W
W
W
W
%
dB
kΩ
µV
dB
dB
µV
1997 Jun 12
6