Philips Semiconductors
2 × 1.4 W BTL audio amplifiers with digital
volume control and headphone sensing
Preliminary specification
TDA8552T; TDA8552TS
QUICK REFERENCE DATA
SYMBOL
PARAMETER
VDD
supply voltage
Iq
quiescent supply current
Istb
standby current
Po
output power
Gv
voltage gain
Nstep
THD
SVRR
number of volume steps
total harmonic distortion
supply voltage ripple
rejection
CONDITIONS
MIN.
2.7
BTL mode; VDD = 5 V
−
BTL mode; VDD = 3.3 V
−
SE mode; VDD = 5 V
−
SE mode; VDD = 3.3 V
−
−
THD = 10%; RL = 8 Ω; VDD = 5 V 1
low gain; maximum volume
−
low gain; minimum volume
−
high gain; maximum volume
−
high gain; minimum volume
−
−
Po = 0.5 W
−
50
TYP.
5
14
10
8.5
5
1
1.4
20
−60
30
−50
64
0.1
−
MAX.
5.5
20
15
12
8
10
−
−
−
−
−
−
−
−
UNIT
V
mA
mA
mA
mA
µA
W
dB
dB
dB
dB
%
dB
1998 Jun 02
3