ISL5314EVAL2 Intersil Corporation, ISL5314EVAL2 Datasheet

ISL5314EVAL2

Manufacturer Part Number

ISL5314EVAL2

Description

EVALUATION BOARD FOR ISL5314

Manufacturer

Intersil Corporation

Datasheets

1.ISL5314EVAL2.pdf (16 pages)

2.ISL5314EVAL2.pdf (16 pages)

3.ISL5314EVAL2.pdf (16 pages)

Specifications of ISL5314EVAL2

Pack_quantity

Comm_code

85437090

Lead_time

126

Current page: 1 of 16
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Direct Digital Synthesizer

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 degrees, 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.

Ordering Information

Block Diagram

ISL5314IN

ISL5314EVAL2

UPDATE

ENOFR

PH(1:0)

SSYNC

RESET

SDATA

NUMBER

C(7:0)

A(3:0)

SCLK

PART

CLK

TEMP. RANGE

-40 to 85

(

The 14-bit ISL5314 provides a

complete Direct Digital Synthesizer

(DDS) system in a single 48-pin

ACCUM.

PHASE

WAVE

SINE

ROM

48 LQFP

Evaluation Board

PACKAGE

∑

Data Sheet

1-888-INTERSIL or 321-724-7143

14 BIT

DAC

INT

REF

Q48.7X7A

PKG. NO.

IN-

IN+

COMP1

COMP2

IOUTA

IOUTB

REFIO

REFLO

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

Intersil and Design is a trademark of Intersil Corporation.

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

• 48-bit programmable frequency control

• Offset frequency register and enable pin for fast FSK

• Small 48-pin LQFP packaging

Applications

• Programmable local oscillator

• FSK, PSK modulation

• Direct digital synthesis

• Clock generation

Pinout

COMPOUT

UPDATE

ENOFR

REFLO

RESET

REFIO

DGND

DVDD

September 2001

CLK

13 14 15 16

48-PIN LQFP (Q48.7X7A)

CommLink™ is a trademark of Intersil Corporation.

TOP VIEW

ISL5314

File Number

ISL5314

4901.1

PH0

PH1

SSYNC

DVDD

SCLK

DGND

SDATA

DVDD

DGND

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