Philips Semiconductors
Preliminary specification
Sound fader control circuit
for car radios
TEA6330T
Table 2(b) Volume setting RIGHT
G
DATA
G
DATA
V
V
DB
VR5
VR4
VR3
VR2
VR1
VL0
DB
VR5
VR4
VR3
VR2
VR1
VL0
−32
−34
−36
−38
−40
−42
−44
−46
−48
−50
−52
−54
−56
−58
−60
−62
−64
−66
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
+20
+18
+16
+14
+12
+10
+8
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
1
0
1
0
1
0
1
0
1
0
+6
+4
+2
0
1
1
0
1
0
1
−2
−4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
−6
−8
−10
−12
−14
−16
−18
−20
−22
−24
−26
−28
−30
mute
right
0
0
1
1
0
0
0
0
1
1
1
0
mute
right
---
---
---
---
---
---
0
---
---
---
0
mute
right
0
0
0
0
January 1992
14
NXP [ NXP ]
