HI2559 Datasheet, PDF (1/11 Pages) Intersil Corporation – 1-Bit D/A Converter For Audio Application

® _{HI2559, CXD2559}
October 1997
Features
NOT
RECOMMENDED
FOR
NEW
DESIGNS
1-Bit D/A Converter
Description
For
Audio
Application
• 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 . . . . . . . . . . . . . . . . . . . . . 384F_S or 256F_S
The HI2559, CXD2559 is a 1-bit stereo D/A converter featur-
ing a 2nd-order ∆∑ system noise shaper. This good cost per-
formance LSI has functions such as digital attenuator and
digital de-emphasis and others.
Ordering Information
Applications
• CD Player and CD-ROM Player, etc.
Functions
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
• Data Can Be Input at Rate of 1 x F_S with a Built-In Digital
Filter
• The 24-/32-Slot Serial Data Interface Enables
Independent Selection of Data Frontward Trunca-
tion/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
AV_DD0
AOUT2-
AV_SS0
DV_DD0
TEST
CLR
MASL
DV_SS0
1
3231
30
29
28
27
26
25
24
2
23
3
22
4
21
5
20
6
19
7
18
8
17
9 10 11 12 13 14 15 16
AV_DD1
AOUT1-
AV_SS1
DV_SS1
XCLK
DASL0
DASL1
DV_DD1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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