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TDA6503 Datasheet(PDF) 6 Page - NXP Semiconductors |
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TDA6503 Datasheet(HTML) 6 Page - NXP Semiconductors |
6 / 44 page 2000 Mar 16 6 Philips Semiconductors Preliminary specification 5 V mixers/oscillators and synthesizers for cable TV and VCR 2-band tuners TDA6502; TDA6502A; TDA6503; TDA6503A 6 BLOCK DIAGRAM handbook, full pagewidth FCE527 REFERENCE DIVIDER 64, 80, 128 XTAL OSCILLATOR 4 MHz 15-BIT PROGRAMMABLE DIVIDER 15-BIT FREQUENCY REGISTER POWER-DOWN DETECTOR PHASE COMPARATOR IN-LOCK DETECTOR CHARGE PUMP OPAMP FL T0, T1, T2 CP OS CP T2 T1 T0 RSA RSB OS CONTROL REGISTER FL I2C-bus / 3-WIRE BUS TRANSCEIVER 3-BIT ADC PORT REGISTER UHF VHFH VHFL FMST FL fREF fREF 1/2fDIV fDIV GATE RF INPUT VHF VHF MIXER VHF OSCILLATOR RF INPUT UHF UHF MIXER UHF OSCILLATOR IF PREAMPLIFIER BS BS BS BS BS BS BS T0, T1, T2 RSA RSB VHFIN RFGND UHFIN1 UHFIN2 XTAL CL DA SW CE/AS IFFIL1 IFFIL2 VCC VHFOSCOC VHFOSCIB OSCGND IFOUT UHFOSCIB2 UHFOSCOC2 UHFOSCOC1 UHFOSCIB1 CP VT GND FMST PVHFL PVHFH PUHF LOCK/ADC 3 (26) 4 (25) 1 (28) 2 (27) 18 (11) 14 (15) 13 (16) 11 (18) 12 (17) 15 (14) 9 (20) 8 (21) 7 (22) 10 (19) (8) 21 (12) 17 (13) 16 (4) 25 (3) 26 (2) 27 (1) 28 (9) 20 (6) 23 (7) 22 (5) 24 19 (10) 6 (23) 5 (24) SCL SDA SW CE/AS TDA6502 TDA6502A (TDA6503) (TDA6503A) Fig.1 Block diagram. The pin numbers in parenthesis represent the TDA6503 and TDA6503A. |
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