Datasheet > HSP45314_01

HSP45314_01

更新时间： 2024-01-10 18:28:58

品牌	Logo	应用领域
英特矽尔 - INTERSIL		/
页数	文件大小	规格书
14页	333K
描述
CommLinkTM Direct Digital Synthesizer

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HSP45314_01 数据手册

HSP45314

Data Sheet

File Number 4820.3

January 2001

CommLink^TMDirect Digital Synthesizer

Features

The 14-bit HSP45314 provides a complete Direct Digital

Synthesizer (DDS) system in a single 48-pin 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.

• 125MSPS Output Sample Rate with 5V Digital Supply

• 100MSPS Output Sample Rate with 3.3V Digital Supply

• 14-bit DAC with Internal Reference

• Parallel Control Interface for Fast Tuning (50MSPS

Control Register Write Rate)

The DDS accepts 48-bit center and offset frequency control

information via a parallel processor interface. Modulation

control is provided by 3 external pins. The PH0 and PH1

pins select phase offsets of 0, 90, 180 and 270 degrees,

while the ENOFR pin enables or zeros the offset frequency

word to the phase accumulator.

• 48-bit Programmable Frequency Control

• Small 48-pin LQFP package

Applications

• Programmable Local Oscillator

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.

• FSK Modulation

• Direct Digital Synthesis

• Clock Generation

Ordering Information

Block Diagram

PART

TEMP. RANGE

NUMBER

( C)

PACKAGE

PKG. NO.

HSP45314VI

-40 to 85

48 LQFP

Q48.7X7A

C(7:0)

Pinout

A(3:0)

PHASE

48-PIN LQFP (Q48.7X7A

ACCUM.

TOP VIEW

IN-

IN+

∑

UPDATE

COMP1

COMP2

SINE

WAVE

ROM

ENOFR

PH(1:0)

48 47 46 45 44 43 42 41 40 39 3837

14 BIT

DAC

IOUTA

IOUTB

PH0

PH1

INT

REFIO

REFLO

RESET

CLK

ENOFR

DGND

CLK

REF

DGND

DVDD

DGND

HSP45314

DVDD

DGND

RESET

DGND

UPDATE

DGND

DVDD

DGND

COMPOUT

REFLO

REFIO

13 14 15 16 17 18 19 20 21 22 23 24

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.

CommLink™ is a trademark of Intersil Corporation.

12 3 4 5 6 7...14

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