Philips Semiconductors
Sound fader control circuit
for car radios
Preliminary specification
TEA6330T
FEATURES
• Stereo/hi-fi processor for car radios performed with
volume, balance, bass and treble controls
• Sound fader control (front/rear) down to −30 dB in steps
of 2 dB
• Fast muting via bus or via setting the muting pin
• Suitable for external audio equalizers, can be looped-in
controlled by the I2C-bus
• Power-on reset on chip sets the device into general
mute position
• AC and DC short-circuit protected concerning
neighbouring pins
• I2C-bus control for all functions.
GENERAL DESCRIPTION
This bipolar IC is an I2C-bus controlled sound/volume
controller for car radios, in addition with fader function and
the possibility of an external equalizer.
QUICK REFERENCE DATA
SYMBOL
VP
IP
Vi
Vo
∆Gv
THD
S/N(W)
αCR
B
PARAMETER
supply voltage
supply current
maximum AF input signal
(RMS value)
maximum AF output signal
(RMS value)
volume control range, separated
fader control range, separated
bass control range
treble control range
total harmonic distortion
weighted signal-to-noise ratio
crosstalk attenuation
frequency response (−1 dB)
MIN.
7
−
2
1.1
−66
0
−12
−12
−
−
−
−
TYP.
8.5
26
−
−
−
−
−
−
−
67
90
35 to
20000
MAX.
10
−
−
−
+20
−30
+15
+12
0.2
−
−
−
UNIT
V
mA
V
V
dB
dB
dB
dB
%
dB
dB
Hz
ORDERING INFORMATION
EXTENDED
TYPE NUMBER
TEA6330T(1)
PINS
20
PACKAGE
PIN POSITION
SO
MATERIAL
plastic
CODE
SOT163A
Note
1. Plastic small outline package; 20 leads; body width 7.5 mm; (SOT163A); SOT163-1; 1996 August 02.
January 1992
2