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SAA7371GP Datasheet(PDF) 3 Page - NXP Semiconductors |
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SAA7371GP Datasheet(HTML) 3 Page - NXP Semiconductors |
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3 / 60 page  1998 Jul 06 3 Philips Semiconductors Product specification Digital servo processor and Compact Disc decoder (CD7) SAA7371 1 FEATURES • CD ROM mode • Up to 4 times-speed mode • Lock-to-disc mode • Full error correction strategy, t = 2 and e = 4 • Full CD graphics interface • All standard decoder functions implemented digitally on chip • FIFO overflow concealment for rotational shock resistance • Digital audio interface (EBU), audio and data • 2 and 4 times oversampling integrated digital filter, including fs mode • Audio data peak level detection • Kill interface for DAC deactivation during digital silence • All TDA1301 (DSIC2) digital servo functions, plus extra high-level functions • Low focus noise • Improved playability on ABEX TCD-721R, TCD-725 and TCD-714 discs • Automatic closed loop gain control available for focus and radial loops • Pulsed sledge support • Up to 80 kHz jump performance • Electronic damping of fast radial actuator during long jump • Microcontroller loading LOW • High-level servo control option • High-level mechanism monitor • Communication may be via TDA1301/SAA7345 compatible bus or I2C-bus • On-chip clock multiplier allows the use of 8.4672 MHz crystal. 2 GENERAL DESCRIPTION The SAA7371 (CD7) is a single chip combining the functions of a CD decoder IC and digital servo IC. The decoder part is based on the SAA7345 (CD6) with an improved error correction strategy. The servo part is based on the TDA1301T (DSIC2) with improvements incorporated, extra features have also been added. Supply of this Compact Disc IC does not convey an implied license under any patent right to use this IC in any Compact Disc application. 3 QUICK REFERENCE DATA 4 ORDERING INFORMATION SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT VDD supply voltage 4.75 5.0 5.25 V IDD supply current n = 1 mode − 49 − mA fxtal crystal frequency 8 8.4672 35 MHz Tamb operating ambient temperature −40 − +85 °C Tstg storage temperature −55 − +125 °C TYPE NUMBER PACKAGE NAME DESCRIPTION VERSION SAA7371GP QFP64 plastic quad flat package; 64 leads (lead length 1.6 mm); body 14 × 14 × 2.7 mm SOT393-1 |
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