TDA7479DTR Datasheet, PDF (3/12 Pages) STMicroelectronics – Single chip RDS demodulator + filter

TDA7479
Block diagram and pin description
1
Block diagram and pin description
1.1
Block diagram
Figure 1. Block diagram
4
MPX
270pF
8
FILOUT
V_S
100nF
10μF
12
VREF 3
2nd ORDER
ANTIALIASING
FILTER
8th ORDER
SC-BANDPASS
FILTER
-
+
6
GND
C1 27pF 4.332MHz C2 47pF
T57
15
OSCIN
13
OSCOUT
14
OSCILLATOR &
DIVIDER
57KHz PLL
FAST ARI
INDICATOR
1187.5Hz
PLL
QUAL DET.
5
OSEL
9
FSEL
16
RDCL
7
ARI
1
QUAL
POLARITY
BIPHASE DEC.
INTEGRAL
BIPHASE DEC.
0
MUX
1
DIFF. DECODER
2
RDDA
TEST LOGIC
10
TM
11
EXTRES
D97AU751A
1.2
Pin description
Figure 2. Pin connection (top view)
QUAL
RDDA
VREF
MPX
OSEL
GND
ARI
FILOUT
1
16
2
15
3
14
4
13
5
12
6
11
7
10
8
9
D97AU752
RDCL
T57
OSCOUT
OSCIN
V_S
EXTRES
TM
FSEL
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