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TDA7479 Datasheet(PDF) 2 Page - STMicroelectronics

Part No. TDA7479
Description  SINGLE CHIP RDS DEMODULATOR FILTER
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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 2 page
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QUAL
RDDA
VREF
MPX
OSEL
ARI
GND
1
3
2
4
5
6
7TM
VS
EXTRES
OSCIN
OSCOUT
T57
RDCL
16
15
14
13
12
10
11
D97AU752
FILOUT
8
FSEL
9
PIN CONNECTION (Top View)
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VS
Supply Voltage
-0.3 to 7
V
Top
Operating Temperature Range
-40 to 85
°C
Tstg
Storage Temperature
-55 to 150
°C
THERMAL DATA
Symbol
Description
DIP16
SO16
Unit
Rth j-case
Thermal Resistance Junction-case
Max.
100
200
°C/W
PIN DESCRIPTION
N
o pin
Name
Description
1
QUAL
Output for signal quality indication (High = good)
2
RDDA
RDS data output
3
VREF
Reference voltage
4
MPX
RDS input signal
5
OSEL
Oscillator selector pin:
- open, closed to VS = quartz oscillator
- closed to GND=external driven
6
GND
Ground
7
ARI
Output for ARI indication:
- high when RDS+ARI are present
- high when only ARI is present
- low when only RDS is present
- undefined when nos signal is present
8
FILOUT
Filter output
9
FSEL
Frequency selector pin:
-100K to VS = 17.328MHz
- open = 4.332MHz
- closed to VS = 8.664MHz
10
TM
Test mode pin:
- open = normal operation
- closed to VS = testmode
11
EXTRES
Reset pin:
- open=run mode
- closed to VS = reset condition
12
VS
Supply voltage
13
OSCIN
Oscillator input
14
OSCOUT
Oscillator output
15
T57
Testing output pin: 57kHz clock output
16
RDCL
RDS clock output 1187.5Hz
TDA7479
2/7




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