EVAL-ADF4360-1EB1,EVAL-ADF4360-1EB1 pdf中文资料,EVAL-ADF4360-1EB1引脚图,EVAL-ADF4360-1EB1电路-Datasheet-电子工程世界

文档预览

Integrated Synthesizer and VCO

ADF4360-1

FEATURES

Output frequency range: 2050 MHz to 2450 MHz

Divide-by-2 output

3.0 V to 3.6 V power supply

1.8 V logic compatibility

Integer-N synthesizer

Programmable dual-modulus prescaler 8/9, 16/17, 32/33

Programmable output power level

3-wire serial interface

Analog and digital lock detect

Hardware and software power-down mode

GENERAL DESCRIPTION

The ADF4360-1 is a fully integrated integer-N synthesizer and

voltage controlled oscillator (VCO). The ADF4360-1 is

designed for a center frequency of 2250 MHz. In addition, there

is a divide-by-2 option available, whereby the user gets an RF

output of between 1025 MHz and 1225 MHz.

Control of all the on-chip registers is through a simple 3-wire

interface. The device operates with a power supply ranging from

3.0 V to 3.6 V and can be powered down when not in use.

APPLICATIONS

Wireless handsets (DECT, GSM, PCS, DCS, WCDMA)

Test equipment

Wireless LANs

CATV equipment

FUNCTIONAL BLOCK DIAGRAM

SET

ADF4360-1

MULTIPLEXER

REF

14-BIT R

COUNTER

LOCK

DETECT

CLK

DATA

24-BIT

DATA REGISTER

24-BIT

FUNCTION

LATCH

PHASE

COMPARATOR

VCO

TUNE

MUTE

MUXOUT

CHARGE

PUMP

INTEGER

VCO

CORE

OUTPUT

STAGE

OUT

13-BIT B

COUNTER

PRESCALER

P/P+1

LOAD

5-BIT A

COUNTER

OUT

N = (BP + A)

MULTIPLEXER

DIVSEL = 1

÷2

DIVSEL = 2

AGND

DGND

CPGND

Figure 1.

Rev. A

Information furnished by Analog Devices is believed to be accurate and reliable.

However, no responsibility is assumed by Analog Devices for its use, nor for any

infringements of patents or other rights of third parties that may result from its use.

Specifications subject to change without notice. No license is granted by implication

or otherwise under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

www.analog.com

Fax: 781.326.8703

04414-0-001

ADF4360-1

TABLE OF CONTENTS

Specifications..................................................................................... 3

Timing Characteristics..................................................................... 5

Absolute Maximum Ratings............................................................ 6

Transistor Count........................................................................... 6

ESD Caution.................................................................................. 6

Pin Configuration and Function Descriptions............................. 7

Typical Performance Characteristics ............................................. 8

Circuit Description........................................................................... 9

Reference Input Section............................................................... 9

Prescaler (P/P + 1)........................................................................ 9

A and B Counters ......................................................................... 9

R Counter ...................................................................................... 9

PFD and Charge Pump................................................................ 9

MUXOUT and Lock Detect...................................................... 10

Input Shift Register..................................................................... 10

VCO ............................................................................................. 10

Output Stage................................................................................ 11

Latch Structure ........................................................................... 12

Control Latch .............................................................................. 16

N Counter Latch......................................................................... 17

R Counter Latch ......................................................................... 17

Applications..................................................................................... 18

Direct Conversion Modulator .................................................. 18

Fixed Frequency LO................................................................... 19

Power-Up..................................................................................... 19

Interfacing ................................................................................... 19

PCB Design Guidelines for Chip-Scale Package.......................... 20

Output Matching ........................................................................ 20

Outline Dimensions ....................................................................... 21

Ordering Guide .......................................................................... 21

REVISION HISTORY

6/04—Data Sheet Changed from Rev. 0 to Rev. A

Changes to Specifications ................................................................ 3

Changes to Table 6.......................................................................... 12

Changes to Table 7.......................................................................... 13

Changes to Table 9.......................................................................... 15

8/03—Revision 0: Initial Version

Rev. A | Page 2 of 24

ADF4360-1

SPECIFICATIONS

= DV

= V

VCO

= 3.3 V ± 10%; AGND = DGND = 0 V; T

= T

MIN

to T

MAX

, unless otherwise noted.

Table 1.

Parameter

REF

CHARACTERISTICS

REF

Input Frequency

REF

Input Sensitivity

REF

Input Capacitance

REF

Input Current

PHASE DETECTOR

Phase Detector Frequency

CHARGE PUMP

Sink/Source

High Value

Low Value

SET

Range

3-State Leakage Current

Sink and Source Current Matching

vs. V

vs. Temperature

LOGIC INPUTS

INH,

, Input High Voltage

INL

, Input Low Voltage

INH

INL

, Input Current

, Input Capacitance

LOGIC OUTPUTS

, Output High Voltage

, Output High Current

, Output Low Voltage

POWER SUPPLIES

VCO

DD4

VCO4, 5

RFOUT4

Low Power Sleep Mode

RF OUTPUT CHARACTERISTICS

VCO Output Frequency

VCO Sensitivity

Lock Time

Frequency Pushing, (Open Loop)

Frequency Pulling, (Open Loop)

Harmonic Content (Second)

Harmonic Content (Third)

Output Power

5, 7

Output Power Variation

VCO Tuning Range

B Version

10/250

0.7/AV

0 to AV

5.0

±100

Unit

MHz min/max

p-p min/max

V max

pF max

µA max

MHz max

With R

SET

= 4.7 kΩ.

2.5

0.312

2.7/10

0.2

1.5

0.6

±1

3.0

– 0.4

500

0.4

3.0/3.6

2.5

24.0

3.5–11.0

2050/2450

400

−20

−35

−13/−6

±3

1.25/2.5

mA typ

kΩ

nA typ

% typ

V min

V max

µA max

pF max

V min

µA max

V max

V min/V max

CMOS output chosen.

= 500 µA.

Conditions/Comments

For f < 10 MHz, use a dc-coupled CMOS compatible

square wave, slew rate > 21 V/µs.

AC-coupled.

CMOS compatible.

1.25 V ≤ V

≤ 2.5 V.

1.25 V ≤ V

≤ 2.5 V.

= 2.0 V.

mA typ

µA typ

MHz min/max

MHz/V typ

µs typ

MHz/V typ

kHz typ

dBc typ

dBm typ

dB typ

V min/max

CORE

= 15 mA.

RF output stage is programmeable.

CORE

= 15 mA.

To within 10 Hz of final frequency.

Into 2.00 VSWR load.

Programmable in 3 dB steps. Table 7.

For tuned loads, see Output Matching section.

Rev. A | Page 3 of 24

ADF4360-1

Parameter

NOISE CHARACTERISTICS

1, 5

VCO Phase Noise Performance

B Version

−110

−130

−141

−148

−172

−163

−147

−81

0.72

−70

Unit

dBc/Hz typ

Degrees typ

dBc typ

Conditions/Comments

@ 100 kHz offset from carrier.

@ 1 MHz offset from carrier.

@ 3 MHz offset from carrier.

@ 10 MHz offset from carrier.

@ 25 kHz PFD frequency.

@ 200 kHz PFD frequency.

@ 8 MHz PFD frequency.

@ 1 kHz offset from carrier.

100 Hz to 100 kHz.

Synthesizer Phase Noise Floor

In-Band Phase Noise

10, 11

RMS Integrated Phase Error

Spurious Signals due to PFD Frequency

11, 13

Operating temperature range is: –40°C to +85°C.

Guaranteed by design. Sample tested to ensure compliance.

is internally modified to maintain constant-loop gain over the frequency range.

= 25°C; AV

= DV

= V

VCO

= 3.3 V; P = 32.

These characteristics are guaranteed for VCO Core Power = 15 mA.

Jumping from 2.05 GHz to 2.45 GHz. PFD frequency = 200 kHz; loop bandwidth = 10 kHz.

Using 50 Ω resistors to V

VCO

, into a 50 Ω load. For tuned loads, see Output Matching section.

The noise of the VCO is measured in open-loop conditions.

The synthesizer phase noise floor is estimated by measuring the in-band phase noise at the output of the VCO and subtracting 20 log

(where

is the N divider value).

The phase noise is measured with the EVAL-ADF4360-xEB1 Evaluation Board and the HP8562E Spectrum Analyzer. The spectrum analyzer provides the REFIN for the

synthesizer; offset frequency = 1 kHz.

REFIN

= 10 MHz; f

PFD

= 200 kHz; N = 12500; Loop B/W = 10 kHz.

REFIN

= 10 MHz; f

PFD

= 1 MHz; N = 2400; Loop B/W = 25 kHz.

The spurious signals are measured with the EVAL-ADF4360-xEB1 Evaluation Board and the HP8562E Spectrum Analyzer. The spectrum analyzer provides the REFIN for

the synthesizer; f

REFOUT

= 10 MHz @ 0 dBm.

Rev. A | Page 4 of 24

ADF4360-1

TIMING CHARACTERISTICS

= DV

= V

VCO

= 3.3 V ± 10%; AGND = DGND = 0 V; 1.8 V and 3 V logic levels used; T

= T

MIN

to T

MAX

, unless otherwise noted.

Table 2.

Parameter

Limit at T

MIN

to T

MAX

(B Version)

Unit

ns min

Test Conditions/Comments

LE Setup Time

DATA to CLOCK Setup Time

DATA to CLOCK Hold Time

CLOCK High Duration

CLOCK Low Duration

CLOCK to LE Setup Time

LE Pulse Width

CLOCK

DATA

DB23 (MSB)

DB22

DB2

DB1

(CONTROL BIT C2)

DB0 (LSB)

(CONTROL BIT C1)

04414-0-002

Figure 2. Timing Diagram

Rev. A | Page 5 of 24