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TDA7478 Datasheet(PDF) 2 Page - STMicroelectronics

Part No. TDA7478
Description  SINGLE CHIP RDS DEMODULATOR
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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TDA7478
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Table 2. Pin Description
Figure 3. Pin Connection (Top view)
Table 3. Thermal Data
No 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
N.U.
Not Used (to be left open)
8
FILOUT
Filter output
9
FSEL
Frequency selector pin:
- 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
Symbol
Description
Value
Unit
Rth j-case
Thermal Resistance Junction-case Max.
200
°C/W
QUAL
RDDA
VREF
MPX
OSEL
N.U.
GND
1
3
2
4
5
6
7TM
VS
EXTRES
OSCIN
OSCOUT
T57
RDCL
16
15
14
13
12
10
11
D97AU752A
FILOUT
8
FSEL
9




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