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TDA7331 Datasheet(PDF) 2 Page - STMicroelectronics |
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TDA7331 Datasheet(HTML) 2 Page - STMicroelectronics |
2 / 7 page MPX VREF OSEL FILOUT GND N.C. N.C. N.C. OSCOUT 1 3 2 4 5 6 7 8 9 RDCL RDDA QUAL VS ARI N.C. FSEL TM EXTRES 20 19 18 17 16 14 15 13 12 D97AU687 OSCIN 10 T57 11 PIN CONNECTION ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit VS Supply Voltage 7 V Top Operating Temperature Range -40 to 85 °C Tstg Storage Temperature -55 to 150 °C PIN FUNCTION N o pin Name Functional description 1 MPX RDS input signal 2 VREF Reference voltage 3 OSEL Oscillator selector pin: - open, or closed to Vs = quartz oscillator - closed to GND = external driven 4 FILOUT Filter output 5 GND Ground 6 nc Not connected 7 nc Not connected 8 nc Not connected 9 OSCOUT Oscillator output 10 OSCIN Oscillator input 11 T57 Testing output pin: 57kHz clock output 12 RDCL RDS clock output 1187.5Hz 13 RDDA RDS data output 14 QUAL Output for signal quality indication (High = good) 15 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 16 Vs Supply voltage 17 nc Not connected 18 FSEL Frequency selector pin: - 100K to VS = 17.328MHz - open = 4.332MHz - closed to VS = 8.664MHz 19 TM Test mode pin: - open = normal operation - closed to VS = testmode 20 EXTRES Reset pin: - open = run mode - closed to VS = reset condition TDA7331 2/7 |
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