Philips Semiconductors
Product specification
Class AB stereo headphone driver
FEATURES
•
Wide temperature range
•
No switch ON/OFF clicks
•
Excellent power supply ripple rejection
•
Low power consumption
•
Short-circuit resistant
•
High performance
– high signal-to-noise ratio
– high slew rate
– low distortion
•
Large output voltage swing.
QUICK REFERENCE DATA
V
DD
= 5 V; V
SS
= 0 V; T
amb
= 25
°C;
f
i
= 1 kHz; R
L
= 32
Ω;
unless otherwise specified.
SYMBOL
V
DD
PARAMETER
supply voltage
single
dual
V
SS
I
DD
P
tot
P
o
(THD + N)/S
negative supply voltage
supply current
total power dissipation
maximum output power
no load
no load
THD < 0.1%; note 1
3.0
1.5
−1.5
−
−
−
−
−
R
L
= 5 kΩ
S/N
α
cs
PSRR
T
amb
Note
1. V
DD
= 5 V; V
O(p-p)
= 3.5 V (at 0 dB).
ORDERING INFORMATION
PACKAGE
TYPE NUMBER
NAME
TDA1308
TDA1308T
DIP8
SO8
DESCRIPTION
plastic dual in-line package; 8 leads (300 mil)
plastic small outline package; 8 leads; body width 3.9 mm
signal-to-noise ratio
channel separation
R
L
= 5 kΩ
power supply ripple rejection f
i
= 100 Hz; V
ripple(p-p)
= 100 mV
operating ambient
temperature
−
100
−
−
−
−40
5.0
2.5
−2.5
3
15
60
0.03
−70
−101
110
70
105
90
−
CONDITIONS
MIN.
TYP.
GENERAL DESCRIPTION
TDA1308
The TDA1308 is an integrated class AB stereo headphone
driver contained in an SO8 or a DIP8 plastic package. The
device is fabricated in a 1 mm CMOS process and has
been primarily developed for portable digital audio
applications.
MAX.
7.0
3.5
−3.5
5
25
−
0.06
−65
−
−
−
−
−
+85
UNIT
V
V
V
mA
mW
mW
%
dB
dB
dB
dB
dB
dB
°C
total harmonic distortion plus note 1
noise-to-signal ratio
VERSION
SOT97-1
SOT96-1
August 1994
2