TDA8543T データシートの表示（PDF） - Philips Electronics
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TDA8543T Datasheet PDF : 20 Pages
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Philips Semiconductors
2 W BTL audio amplifier
Product specification
TDA8543
DC CHARACTERISTICS
VCC = 5 V; Tamb = 25 °C; RL = 8 Ω; VMODE = 0 V; G = 20 dB; measured in test circuit Fig.4; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
VCC
Iq
Istb
VO
VOUT+ − VOUT−
IIN+, IIN−
VMODE
supply voltage
quiescent current
standby current
DC output voltage
differential output voltage offset
input bias current
input voltage mode select
operating
RL = ∞; note 1
VMODE = VCC
note 2
operating
mute
standby
IMODE
input current mode select
0 < VMODE < VCC
MIN.
TYP.
2.2
5
−
8
−
−
−
2.2
−
−
−
−
0
−
1.5
−
VCC − 0.5 −
−
−
MAX.
UNIT
18
V
12
mA
10
µA
−
V
50
mV
500
nA
0.5
V
VCC − 1.5 V
VCC
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 RL.
2. The DC output voltage with respect to ground is approximately 0.5 × VCC.
AC CHARACTERISTICS
VCC = 5 V; Tamb = 25 °C; RL = 8 Ω; f = 1 kHz; VMODE = 0 V; G = 20 dB; measured in test circuit Fig.4; unless otherwise
specified.
SYMBOL
Po
THD
Gv
Zi
Vno
SVRR
Vo
PARAMETER
CONDITIONS
output power
THD = 10%;
VCC = 5 V; RL = 8 Ω
VCC = 7.5 V; RL = 8 Ω
VCC = 9 V; RL = 16 Ω
THD = 0.5%;
total harmonic distortion
closed loop voltage gain
VCC = 5 V; RL = 8 Ω
VCC = 7.5 V; RL = 8 Ω
VCC = 9 V; RL = 16 Ω
Po = 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
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