Philips Semiconductors
Preliminary specification
Sound fader control circuit
TEA6320
FEATURES
• Source selector for four stereo and one mono inputs
• Interface for noise reduction circuits
• Interface for external equalizer
• Volume, balance and fader control
• Special loudness characteristic automatically controlled
in combination with volume setting
GENERAL DESCRIPTION
The sound fader control circuit TEA6320 is an I2C-bus
controlled stereo preamplifier for car radio hi-fi sound
applications.
• Bass and treble control
• Mute control at audio signal zero crossing
• Fast mute control via I2C-bus
• Fast mute control via pin
• I2C-bus control for all functions
• Power supply with internal power-on reset.
QUICK REFERENCE DATA
SYMBOL
VCC
PARAMETER
supply voltage
CONDITIONS
MIN.
7.5
TYP. MAX. UNIT
8.5
26
2000
−
9.5
−
V
ICC
supply current
VCC = 8.5 V
VCC = 8.5 V; THD ≤ 0.1%
−
mA
mV
dB
dB
dB
dB
dB
dB
Vo(rms)
Gv
maximum output voltage level
voltage gain
−
−
−86
−
+20
−
Gstep(vol)
Gbass
step resolution (volume)
bass control
1
−15
−12
−
−
+15
+12
−
Gtreble
Gstep(treble)
(S+N)/N
treble control
−
step resolution (bass, treble)
1.5
105
signal-plus-noise to noise ratio VO = 2.0 V; Gv = 0 dB;
unweighted
−
−
RR100
ripple rejection
V
r(rms) < 200 mV; f = 100 Hz;
−
76
96
−
−
dB
dB
Gv = 0 dB
αcs
channel separation
250 Hz ≤ f ≤ 10 kHz; Gv = 0 dB 90
ORDERING INFORMATION
TYPE
PACKAGE
NUMBER
NAME
DESCRIPTION
VERSION
SOT232-1
SOT287-1
TEA6320
SDIP32
SO32
plastic shrink dual in-line package; 32 leads (400 mil)
plastic small outline package; 32 leads; body width 7.5 mm
TEA6320T
1995 Dec 19
2
NXP [ NXP ]
