Philips Semiconductors
Product specification
Hi-fi stereo audio processor; I2C-bus
TDA8425
GENERAL DESCRIPTION
The TDA8425 is a monolithic bipolar integrated stereo sound circuit with a loudspeaker channel facility, digitally
controlled via the I2C-bus for application in hi-fi audio and television sound.
Feature:
• Source and mode selector for two stereo channels
• Pseudo stereo, spatial stereo, linear stereo and forced mono switch
• Volume and balance control
• Bass, treble and mute control
• Power supply with power-on reset
QUICK REFERENCE DATA
PARAMETER
Supply voltage (pin 4)
SYMBOL
MIN.
10.8
TYP.
12.0
MAX.
13.2
UNIT
VCC
Vl
V
V
Input signal handling
Input sensitivity
2
−
−
full power at the output stage
Signal plus noise-to-noise ratio
Total harmonic distortion
Channel separation
Vi
−
300
86
0.05
80
−
−
mV
dB
%
(S+N)/N
−
−
THD
α
−
−
−
−
dB
dB
dB
dB
Volume control range
Treble control range
G
−64
−12
−12
6
G
−
12
15
Bass control range
G
−
PACKAGE OUTLINE
20-lead dual in-line; plastic (SOT146); SOT146-1; 1996 November 26.
October 1988
2