Philips TDA8542 用户手册
1998 Apr 01
6
Philips Semiconductors
Product specification
2
×
1 W BTL audio amplifier
TDA8542
DC CHARACTERISTICS
V
CC
= 5 V; T
amb
= 25
°
C; R
L
= 8
Ω
; V
MODE
= 0 V; measured in test circuit Fig.3; unless otherwise specified.
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
.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
V
CC
supply voltage
operating
2.2
5
18
V
I
q
quiescent current
R
L
=
∞
; note 1
−
15
22
mA
I
stb
standby current
V
MODE
= V
CC
−
−
10
µ
A
V
O
DC output voltage
note 2
−
2.2
−
V
V
OUT+
−
V
OUT
−
differential output voltage offset
−
−
50
mV
I
IN+
, I
IN
−
input bias current
−
−
500
nA
V
MODE
input voltage mode select
operating
0
−
0.5
V
mute
1.5
−
V
CC
−
1.5 V
standby
V
CC
−
0.5
−
V
CC
V
I
MODE
input current mode select
0 < V
MODE
< V
CC
−
−
20
µ
A
V
BS
input voltage BTL/SE pin
single-ended
0
−
0.6
V
BTL
2
−
V
CC
V
I
BS
input current BTL/SE pin
V
BS
= 0
−
−
100
µ
A