DatasheetsPDF.com

CXA3186N Dataheets PDF



Part Number CXA3186N
Manufacturers Sony Corporation
Logo Sony Corporation
Description All Band TV Tuner IC with On-chip PLL
Datasheet CXA3186N DatasheetCXA3186N Datasheet (PDF)

CXA3185/3186N All Band TV Tuner IC with On-chip PLL Description The CXA3185/3186N is a monolithic TV tuner IC which integrates local oscillator and mixer circuits for VHF band, local oscillator and mixer circuits for UHF band, an IF amplifier and a tuning PLL onto a single chip, enabling further miniaturization of the tuner. Features • Low noise figure • Low power consumption (5 V, 54 mA typ.) • On-chip tuning PLL (3-wire bus format) • Selection of frequency steps 31.25 kHz, 50 kHz and 62.5 kHz .

  CXA3186N   CXA3186N


Document
CXA3185/3186N All Band TV Tuner IC with On-chip PLL Description The CXA3185/3186N is a monolithic TV tuner IC which integrates local oscillator and mixer circuits for VHF band, local oscillator and mixer circuits for UHF band, an IF amplifier and a tuning PLL onto a single chip, enabling further miniaturization of the tuner. Features • Low noise figure • Low power consumption (5 V, 54 mA typ.) • On-chip tuning PLL (3-wire bus format) • Selection of frequency steps 31.25 kHz, 50 kHz and 62.5 kHz • On-chip 4-output band switch Applications • TV tuners • VCR tuners • CATV tuners Structure Bipolar silicon monolithic IC 30 pin SSOP (Plastic) Absolute Maximum Ratings (Ta = 25 °C) • Supply voltage VCC1,VCC2 –0.3 to +5.5 VCC3 –0.3 to +10.0 • Storage temperature Tstg –55 to +150 • Allowable power dissipation PD 880 V V °C mW (when mounted on a substrate) Operating Conditions • Supply voltage VCC1, VCC2 VCC3 • Operating temperature Topr 4.75 to 5.3 4.75 to 9.45 –20 to +75 V V °C Note) Electrostatic discharge strength is weak, and care should be taken in handling this IC. Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits. —1— E97944-TE CXA3185/3186N Block Diagram and Pin Configuration CL DA CE FMT 1 2 3 4 5 6 Divider 14/15bit Band SW Driver Phase Detector Charge Pump Input Buffer Shift Register Divider 1/512,640,1024 REF OSC 30 29 VCC3 REFOSC 28 27 CPO CPE LOCK BVL BVH LOCK Det 26 BU 7 USW Prescaler 1/8 25 IF OUT VCC1 8 V.REG Bias 24 GND IF AMP 23 VCC2 MIXout1 9 Buffer 22 21 20 19 UOSCB2 UOSCE2 UOSCE1 UOSCB1 MIXout2 10 GND1 11 MS 12 VHFin 13 Buffer VHF MIX UHF OSC 18 Buffer UHFin1 14 UHFin2 15 UHF MIX VHF OSC 17 16 VOSC2 GND VOSC1 —2— CXA3185/3186N Pin Description Pin No. Symbol 22 100k 5k Equivalent circuit VCC2 Pin voltage (V) Description 1 CL 1 — Clock input. 22 100k 5k VCC2 2 DA 2 — Data input. 22 150k VCC2 3 CE 3 50k 1.25 Enable pin. (when open) 4 FMT 30 VCC3 20k 5 BVL 4 5 6 ON : Vcc3 OFF : 0 6 BVH 7 4 : Output for FM TRAP. 5 : Power supply output for VL band. 6 : Power supply output for VH band. 7 : Power supply output for UHF band. The selected band pin goes High. Analog circuit power supply. 7 8 BU VCC1 9 10 9 MIXout1 Mixer outputs. 10 MIXout2 11 GND1 — —3— — Analog circuit GND. CXA3185/3186N Pin No. Symbol Equivalent circuit VCC2 Pin voltage (V) Description 12 MS 120k 50k 13 VHFin 13 12 14 UHFin1 14 15 3k 3k 15 UHFin2 18 16 VCC1 50 16 VOSC1 8 8p 3k 600 18 VOSC2 3k 15p 17 GND 19 UOSCB1 19 20 21 22 VCC1 20 UOSCE1 3k 21 UOSCE2 3k 22 UOSCB2 Frequency step mode 1.5 selection. Five modes can be (when open) selected according to the applied voltage. 2.3 VHF input. (VHF) The input format is unbalanced 0 input. (UHF) 0 (VHF) 2.3 UHF input. (UHF) The input method can be 0 selected from balanced input (VHF) or unbalanced input. 2.3 (UHF) 3.0 (VHF) 3.1 (UHF) External resonance circuit 3.5 connection for VHF oscillator. (VHF) 5.0 (UHF) — GND 3.2 (VHF) 2.9 (UHF) — (VHF) 2.4 (UHF) External resonance circuit — connection for UHF oscillator. (VHF) 2.4 (UHF) 3.2 (VHF) 2.9 (UHF) —4— CXA3185/3186N Pin No. 23 24 Symbol VCC2 GND2 8 Equivalent circuit — — VCC1 Pin voltage Description (V) — PLL circuit power supply. — PLL circuit GND. 25 IFOUT 25 40 2.3 IF output. VCC2 40k 22 26 LOCK 26 5.0 (Lock) 0.2 (UNLock) LOCK detection. High when locked, Low when unlocked. VCC2 22 27 CPE 200 28 500 0.6 NPN transistor connection for varicap diode drive. 28 CPO 27 20k 2.0 Charge pump output. Connect a loop filter. 60k 30p 30p 29 REFOSC 29 4.3 Crystal connection for reference oscillator. 30 VCC3 — Power supply for external supply. —5— CXA3185/3186N Electrical Characteristics Circuit Current Item Circuit current A Symbol AICCV AICCU Circuit current D DICC See the Electrical Characteristics Measurement Circuit. (VCC=5 V, Ta=25 °C) Measurement conditions VCC1 current, Band switch output open during VHF operation VCC1 current, Band switch output open during UHF operation VCC2 current Min. 30 31 7 Typ. 41 42 11 Max. 55 56 15 Unit mA mA mA OSC/MIX/IF Amplifier Block Item Symbol Conversion gain ∗1 CG1 CG2 CG3 CG4 Noise figure ∗1, ∗2 NF1 NF2 NF3 NF4 1 % cross CM1 modulation ∗1, ∗3 CM2 CM3 CM4 Maximum output power Pomax ∆fsw1 ∆fsw2 ∆fsw3 ∆fsw4 Switch ON drift ∗4 Supply voltage drift ∆fst1 ∗4 ∆fst2 ∆fst3 ∆fst4 Measurement conditions VHF operation fRF = 55 MHz VHF operation fRF = 360 MHz UHF operation fRF = 360 MHz UHF operation fRF = 800 MHz VHF operation fRF = 55 MHz VHF operation fRF = 360 MHz UHF operation fRF = 360 MHz UHF operation fRF = 800 MHz .


CXA3179N CXA3186N CXA3188N


@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site.
(Privacy Policy & Contact)