CXD2555Q Intersil Corporation, CXD2555Q Datasheet

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CXD2555Q

Manufacturer Part Number
CXD2555Q
Description
Manufacturer
Intersil Corporation
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
CXD2555Q
Manufacturer:
SONY/索尼
Quantity:
20 000
September 1997
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
Copyright © Intersil Americas Inc. 2002. All Rights Reserved
Features
• Two-Channel AD/DA Converters and Their Respective
• Peripheral Analog Circuits for AD Converter Greatly
• Distortion (Typ)
• S/N Ratio (Typ)
• Ripple in the Digital Filter Pass Band . . . . . . . r0.05dB
• Attenuation in the Digital Filter Stop Band . . . . . . . .-45dB
Ordering Information
Pinout
HI2555JCQ
CXD2555Q
Digital Filters for Decimation and Oversampling Into a
Single Chip
Reduces External Elements
- ADC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.01%
- DAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.008% (-3dB)
- ADC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86dB
- DAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96dB
NUMBER
PART
RANGE (
-20 to 75
-20 to 75
TEMP.
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
®
o
C)
48 Ld MPQF
48 Ld MPQF
AOUT1-
AOUT2-
AV
AV
PACKAGE
AV
AV
UCLK
XCLK
XTLO
XV
XV
XTLI
DD
DD
SS
SS
DD
SS
3
3
4
4
HI2555, CXD2555 (48 LEAD MQFP)
10
11
12
1
2
3
4
5
6
7
8
9
Q48.12x12-S
Q48.12x12-S
13 14 15 16
48
PKG. NO.
47
46
HI2555, CXD2555
45
TOP VIEW
44
17
4-301
43
18
Description
The HI2555, CXD2555 is a 1-bit stereo AD/DA converter
featuring a 2nd-order DA system noise shaper. This LSI has
also built-in digital filters and provides good cost performance.
Functions
• Data Can Be Input/Output at Rate of 1 x f
• Simple Connection of Multiple HI2555, CXD2555s
• The 32-Slot Serial Data Interface Enables Independent
• The Master Clock is Applicable to Four Sources
• 256f
• The Sampling Frequency May be Adjusted to Low f
• Various Frequency Divider Clocks Can Be Output for
42
19
In Digital Filter
Enable Multi-Channel System
Selection of Data Frontward Packing/Rearward
Packing and MSB First/LSB First
Frequencies Such as 16kHz or 8kHz, in Addition to
Normal Ones of 48kHz, 44.1kHz, and 32Hz
LSIs Chips Connected
41
20
40
21
S
39
22
, 512f
23
38
37
24
S
36
35
34
33
32
31
30
29
28
27
26
25
, 768f
S
, and 1024f
XSL2
XSL1
XSL0
MLSL
MASL
DV
SOUT
SIN
BCK
LRCK
MS
DV
1-Bit, AD/DA Converter
SS
DD
For Audio Application
S
File Number
S
with a Built-
4121.1
S

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CXD2555Q Summary of contents

Page 1

... DAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96dB • Ripple in the Digital Filter Pass Band . . . . . . . r0.05dB • Attenuation in the Digital Filter Stop Band . . . . . . . .-45dB Ordering Information PART TEMP. o NUMBER RANGE ( C) PACKAGE HI2555JCQ - MPQF CXD2555Q - MPQF Pinout AV DD AOUT1- AV UCLK XCLK XV XTLI XTLO XV AV ...

Page 2

Block Diagram CLOCK GENERATOR/ TIMING CIRCUIT SOUT 30 o LRCK BCK 28 SIN Pin Descriptions PIN NO. SYMBOL I AOUT1(–) O ...

Page 3

Pin Descriptions (Continued) PIN NO. SYMBOL I SUB - XMCK2 O 23 TEST I 24 CLR ...

Page 4

... Although the device can operate with low f used at only these low frequencies, the CXD2570Q is recommended that is pin-compatible with the CXD2555Q. CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied ...

Page 5

AC Electrical Specifications AV AV PARAMETER SYMBOL SIN Setup Time SIN Hold Time LRCK Setup Time LRCK Hold Time LRCK Delay Time SOUT Delay Time SOUT Data Reset Time SOUT Data Erase Time XTLI Pulse Width Analog Specifications AV 1 ...

Page 6

Test Circuits IN +5V RL 130K AOUT 1/2 (-) RL +5V RL 130K AOUT 1/2 (+) RL HI2555, CXD2555 10PF 4.7K - AIN 1 100K FIGURE 34. ADC INPUT SECTION 820pF - 4.7K + 4.7K - 4.7K 47pF ...

Page 7

Timing Diagram SOUT BCK SIN LRCK (SLAVE MODE) BCK LRCK (MASTER MODE) XTLI Description of Functions Serial Data Interface (Related Pins) LRCK, BCK, SOUT, SIN, MASL, MLSL The serial data format is common for both SIN (DA converter input) and ...

Page 8

... When using the XCS2555Q in multiple units pair with DA converters such as the CXD2558M, one of these CXD2555Qs should be in the master mode to serve as the source of clocks LRCK and BCK. The other CXD2555Qs are used in the slave mode, with their clocks LRCK and BCK supplied by the master CXD2555Q ...

Page 9

... When the normal frequency is assumed to be 32kHz, its derived frequency is 16kHz when divided 8kHz when divided by 4. When divided in the same way, the low-f frequencies for 44.1kHz are 22.05kHz and 11.025kHz, and for 48kHz, they are 24kHz and 12kHz. S CXD2555Q AIN TABLE 5. FREQUENCY DIVISION ...

Page 10

HI2555, CXD2555 4-310 ...

Page 11

HI2555, CXD2555 4-311 ...

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