TEA6821T Philips Semiconductors, TEA6821T Datasheet - Page 31

• Manufacturer Part Number: TEA6821T
• Description: ICE car radio
• Manufacturer: Philips Semiconductors

Philips Semiconductors
A/D converters for level and multipath voltage
September 1993
A/D converter for FM level information
The FM level information V
FM stop
A/D converter for AM level information
The AM level information V
AM stop
A/D converter for multipath information
The multipath information V
f
m
mod
V
V
V
V
ICE car radio
50-4
stop
49-4
stop
SYMBOL
= 20 kHz
AD conversion step size
variation of stop level as function of V
AD conversion step size
variation of stop level as function of V
multipath conversion step 0
multipath conversion step 1
multipath conversion step 2
multipath conversion step 3
multipath conversion step 4
multipath conversion step 5
multipath conversion step 6
multipath conversion step 7
50-3
49-4
40-4
is A/D converted with 3 bit
is A/D converted with 3 bit
is A/D converted with 3 bit covering an IF
PARAMETER
42-4
43-4
31
2
amplitude modulation range 0.15
MIN.
6
30
6
30
15
30
40
50
58
66
74
TYP.
Preliminary specification
MAX.
TEA6821T
dB/step
dB/V
dB/step
dB/V
%
%
%
%
%
%
%
%
m
UNIT
0.9;