August 1994 2
Philips Semiconductors Product specification
Class AB stereo headphone driver TDA1308
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.
GENERAL DESCRIPTION
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.
QUICK REFERENCE DATA
VDD= 5 V; VSS= 0 V; T
amb
= 25 °C; fi= 1 kHz; RL= 32 Ω; unless otherwise specified.
Note
1. V
DD
= 5 V; V
O(p-p)
= 3.5 V (at 0 dB).
ORDERING INFORMATION
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
V
DD
supply voltage
single 3.0 5.0 7.0 V
dual 1.5 2.5 3.5 V
V
SS
negative supply voltage −1.5 −2.5 −3.5 V
I
DD
supply current no load − 3 5 mA
P
tot
total power dissipation no load − 15 25 mW
P
o
maximum output power THD < 0.1%; note 1 − 60 − mW
(THD + N)/S total harmonic distortion plus
noise-to-signal ratio
note 1
− 0.03 0.06 %
− −70 −65 dB
RL= 5 kΩ − −101 − dB
S/N signal-to-noise ratio 100 110 − dB
α
cs
channel separation − 70 − dB
RL = 5 kΩ − 105 − dB
PSRR power supply ripple rejection fi= 100 Hz; V
ripple(p-p)
= 100 mV − 90 − dB
T
amb
operating ambient
temperature
−40 − +85 °C
TYPE NUMBER
PACKAGE
NAME DESCRIPTION VERSION
TDA1308 DIP8 plastic dual in-line package; 8 leads (300 mil) SOT97-1
TDA1308T SO8 plastic small outline package; 8 leads; body width 3.9 mm SOT96-1