STMicroelectronics TDA7427
The TDA7427 is a PLL frequency synthesizer BLOCK DIAGRAM DIP20 SO20 ORDERING NUMBERS: TDA7427(DIP20) TDA7427D (SO20) with an additional IF counting system that performs all the functions needed in a complete PLL radio tuning system for conventional and high speed RDS tuners. The device has dedicated outputs for IN-LOCK detection and Search/Stop station.| Part No. | TDA7427 |
|---|---|
| Datasheet | TDA7427 Download |
| Manufacturer |  STMicroelectronics |
| Description | AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER |
| Buy | Stock & Price |
DESCRIPTION
13 FM_IN 16 SWITCH AM/FM HFREF 14 SWITCH SWM/DIR SWITCH SWM/DIR PHASE COMP CHARGE PUMP + VDD1 20 PRECOUNTER :32/33 5 BIT PROG. CNT INLOCK DETECTOR 2 3 SWITCH LP1/LP2 1 DOUT1/INLOCK LP_HC LP_AM LP_FM AM_IN 17 LPOUT 11 BIT PROG CNT OSCIN OSCOUT 5 6 REF OSCILLATOR 16 BIT PROG CNT 4 VREF SCL SDA 8 9 I2C BUS INTERFACE 18 GNDan/GNDdig VDD2 VDD1 19 15 14 BIT PROG CNT TIMER CONTROL TEST LOGIC POWER ON RESET IF_AM 10 11-21 BIT PROG CNT PORT EXTENSION IF_FM 11 12 D95AU418B 7 DOUT3 SSTOP November 1999 1/21 TDA7427ABSOLUTE MAXIMUM RATINGS
Symbol VDD1 VDD2 Ptot Tstg Tamb Supply Voltage Supply Voltage Total Power Dissipation Storage Temperature Ambient Temperature Parameter Value - 0.3 to + 7 - 0.3 to + 11 300 - 55 to + 150 -40 to + 85 Unit V V mW o o C C PIN CONNECTION LP_FM LP_HC LP_AM VREF OSCIN OSCOUT DOUT3 SCL SDA IF_AM 1 2 3 4 5 6 7 8 9 10 D95AU373B 20 19 18 17 16 15 14 13 12 11 LPOUT VDD2 GND AM_IN FM_IN VDD1 HFREF DOUT1/INLOCK SSTOP IF_FM THERMAL DATA Symbol Rth j-amb Parameter...
