CXD2559

® HI2559, CXD2559 D NDE E M M FO R DES NEW S IG N October 1997 1-Bit D/A Converter For Audio Application Description The HI2559, CXD2559 is a 1-bit stereo D/A converter featuring a 2nd-order ∆∑ system noise shaper. This good cost performance LSI has functions such as digital attenuator and digital de-emphasis and others. Features NO CO T RE Two-Channel D/A Converter and Oversampling Digital Filter Into a Single Chip Distortion . . . . . . . . . . . . . . . . . . . . . . . . 0.012% or Less S/N Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . .96dB or More Master Clock . . . . . . . . . . . . . . . . . . . . . 384FS or 256FS Ordering Information PART NUMBER HI2559JCQ CXD2559Q TEMP. RANGE ( oC) -20 to 75 -20 to 75 PACKAGE 32 Ld MPQF 32 Ld MPQF PKG. NO. Q32.7x7-S Q32.7x7-S Applications CD Player and CD-ROM Player, etc. Functions Data Can Be Input at Rate of 1 x FS with a Built-In Digital Filter The 24-/32-Slot Serial Data Interface Enables Independent Selection of Data Frontward Truncation/Rearward Truncation and MSB First/LSB First Two Channels Can Be Attenuated Independently in 255 Steps The Output From Two Channels (L/R/L + R/Mute) Can Be Selected Independently Digital Emphasis Pinout HI2559, CXD2559 (MQFP) TOP VIEW AOUT2+ AVSS3 XVSS XTLI XTLO XVDD AVSS2 AOUT1+ AVDD0 AOUT2AVSS0 DVDD0 TEST CLR MASL DVSS0 3231 30 29 28 27 26 25 1 24 2 23 3 22 4 21 5 20 6 19 18 7 17 8 9 10 11 12 13 14 15 16 AVDD1 AOUT1AVSS1 DVSS1 XCLK DASL0 DASL1 DVDD1 LR...