TDA8542 Datasheet, PDF (6/20 Pages) NXP Semiconductors – 2 x 1 W BTL audio amplifier

Philips Semiconductors
2 × 1 W BTL audio amplifier
Product specification
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.
SYMBOL
PARAMETER
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
I_MODE
V_BS
I_BS
input current mode select
input voltage BTL/SE pin
input current BTL/SE pin
CONDITIONS
operating
R_L = ∞; note 1
V_MODE = V_CC
note 2
operating
mute
standby
0 < V_MODE < V_CC
single-ended
BTL
V_BS = 0
MIN.
TYP.
2.2
5
−
15
−
−
−
2.2
−
−
−
−
0
−
1.5
−
V_CC − 0.5 −
−
−
0
−
2
−
−
−
MAX.
UNIT
18
V
22
mA
10
µA
−
V
50
mV
500
nA
0.5
V
V_CC − 1.5 V
V_CC
V
20
µA
0.6
V
V_CC
V
100
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.
1998 Apr 01
6