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ISL5314INZ датащи(PDF) 1 Page - Intersil Corporation

номер детали ISL5314INZ
подробное описание детали  Direct Digital Synthesizer
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производитель  INTERSIL [Intersil Corporation]
домашняя страница  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL5314INZ датащи(HTML) 1 Page - Intersil Corporation

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1
®
FN4901.3
ISL5314
Direct Digital Synthesizer
The 14-bit ISL5314 provides a complete Direct Digital
Synthesizer (DDS) system in a single 48 Ld LQFP package.
A 48-bit Programmable Carrier NCO (numerically controlled
oscillator) and a high speed 14-bit DAC (digital-to-analog
converter) are integrated into a stand alone DDS.
The DDS accepts 48-bit center and offset frequency control
information via a parallel processor interface. A 40-bit
frequency tuning word can also be loaded via an asynchronous
serial interface. Modulation control is provided by 3 external
pins. The PH0 and PH1 pins select phase offsets of 0°, 90°,
180° and 270°, while the ENOFR pin enables or zeros the
offset frequency word to the phase accumulator.
The parallel processor interface has an 8-bit write-only data
input C(7:0), a 4-bit address A(3:0) bus, a Write Strobe
(WR), and a Write Enable (WE). The processor can update
all registers simultaneously by loading a set of master
registers, then transfer all master registers to the slave
registers by asserting the UPDATE pin.
Block Diagram
Features
• 125MSPS output sample rate with 5V digital supply
• 100MSPS output sample rate with 3.3V digital supply
• 14-bit digital-to-analog (DAC) with internal reference
• Parallel control interface for fast tuning (50MSPS control
register write rate) and serial control interface
• 48-bit programmable frequency control
• Offset frequency register and enable pin for fast FSK
• Small 48 Ld LQFP packaging
• Pb-Free (RoHS compliant)
Applications
• Programmable local oscillator
• FSK, PSK modulation
• Direct digital synthesis
• Clock generation
Pinout
ISL5314
(48 LD LQFP)
TOP VIEW
Ordering Information
PART
NUMBER
PART
MARKING
TEMP.
RANGE (°C)
PACKAGE
(Pb-free)
PKG.
DWG. #
ISL5314INZ
ISL5314 INZ
-40 to +85
48 Ld LQFP Q48.7x7A
ISL5314EVAL2
25
Evaluation Board
NOTES:
1. These Intersil Pb-free plastic packaged products employ special Pb-free
material sets, molding compounds/die attach materials, and 100% matte tin
plate plus anneal (e3 termination finish, which is RoHS compliant and
compatible with both SnPb and Pb-free soldering operations). Intersil Pb-free
products are MSL classified at Pb-free peak reflow temperatures that meet or
exceed the Pb-free requirements of IPC/JEDEC J STD-020.
2. For Moisture Sensitivity Level (MSL), please see device information page for
ISL5314. For more information on MSL please see techbrief TB363.
SINE
ROM
PHASE
ACCUM.
C(7:0)
RESET
CLK
A(3:0)
UPDATE
ENOFR
PH(1:0)
WR
WE
IOUTA
IOUTB
INT
REF
REFIO
REFLO
DAC
14 BIT
COMP1
COMP2
IN-
IN+
WAVE
+
-
SDATA
SSYNC
SCLK
1
2
3
4
5
6
7
8
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
9
10
11
12
13 14 15 16
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
A2
A3
PH0
PH1
SSYNC
DVDD
SCLK
DGND
DGND
SDATA
DVDD
DGND
C2
C1
C0
ENOFR
DGND
RESET
UPDATE
COMPOUT
REFLO
REFIO
CLK
DVDD
ISL5314
Data Sheet
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
| Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2000, 2005, 2010. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
January 19, 2010


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