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File name CXA1163P dolby B.pdf

CXA1100P, CXA1101P/M, CXA1102P/M, CXA1163P/M Dolby B Type Noise Reduction System For the availability of this product, please contact the sales office. Description CXA1100, CXA1101, CXA1102 and CXA1163 are ICs including two separate Dolby B type noise reduction processors. Seven devices with four Dolby levels and two types of package are provided for various applications. These devices feature very few external components, which is achieved by integrated filter circuits using integrated thin film capacitors with high capacitance. Features · Minimum number of external components · NR ON/OFF and REC/PB switchs included · Small package (DIP16, SOP16) ~ · Small supply current (--5.5mA, Typ.) · Dual channel processors in one chip Absolute Maximum Ratings (Ta = 25°C) · Supply voltage VCC 17 V · Operating temperature Topr ­30 to +85 °C · Storage temperature Tstg ­55 to +150 °C · Allowable power dissipation PD DIP16 (A1100P/A1101P/A1102P/A1163P)900 mW SOP16 (A1101M/A1102M/A1163M) 500 mW Note 1) These ICs are available only to the licensees of Dolby Laboratories Licensing Corporation from whom licensing and application information may be obtaind. Note 2) "Dolby" and double D symbols are trade marks of Dolby Laboratories Licensing Corporation. 16 pin DIP (Plastic) 16 pin SOP (Plastic) 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 E90302A13-PP CXA1100/CXA1101/CXA1102/CXA1163 Pin Description No. Symbol Z (in) VDC (Ta = 25°C, VCC = 12V (Single supply), No signal) Equivalent Circuit Vcc Description 1, 16 REC IN 40k 6.0V 1 16 40k Vcc/2 GND Recording (Encode) input 2 VCC -- 12.0V Vcc Power supply 3, 14 PB IN 40k 6.0V 3 14 40k Vcc/2 GND Playback (Decode) input 4 VCC/2 1k 6.0V Vcc 50µ 150µ Single supply VCC/2 Split supply Ground Mode control pin for NR ON/OFF 5 ON/OFF -- -- 5 "H" NR OFF "L" NR ON GND Vcc 150 6, 11 LINE OUT -- 6.0V 6 11 150 Line (Decode) output GND ­2­ CXA1100/CXA1101/CXA1102/CXA1163 No. Symbol Z (in) VDC Equivalent Circuit Vcc Description 4µ 8.2k 7, 10 TC -- 0.3V 7 10 100k Time constant pin for the level detector GND Vcc 300 8, 9 REC OUT -- 6.0V 8.2k 8 9 300 Recording (Encode) output GND Vcc 50µ 150µ 12 REC/PB -- -- 12 Mode control pin for REC/PB (Encode/Decode) "H" B (Decode) "L EC (Encode) GND Vcc 13 IREF -- 1.2V 13 1.2V Reference current input pin for the active filters 10µ GND 15 GND -- 0V Single supply Ground Split supply VEE ­3­ CXA1100/CXA1101/CXA1102/CXA1163 Block Diagram C12 1µ PB IN REC IN C11 1µ 16 15 14 13 REC/PB C14 4.7µ LINE OUT R1 43k 12 11 10 C13 0.68µ 9 C15 4.7µ REC OUT ATT1 SC ATT2 ATT3 ATT3 ATT2