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ADF9010 반도체 회로 부품 판매점

900 MHz ISM Band Analog RF Front End



Analog Devices 로고
Analog Devices
ADF9010 데이터시트, 핀배열, 회로
FEATURES
840 MHz to 960 MHz ISM bands
Rx baseband analog low-pass filtering and PGA
Integrated RF Tx upconverter
Integrated integer-N PLL and VCO
Integrated Tx PA preamplifier
Differential fully balanced architectures
3.3 V supply
Low power mode: <1 mA power-down current
Programmable Rx LPF cutoff
330 kHz, 880 kHz, 1.76 MHz, and bypass
Rx PGA gain settings: 3 dB to 24 dB in 3 dB steps
Low noise BiCMOS technology
48-lead, 7 mm × 7 mm LFCSP
APPLICATIONS
900 MHz RFID readers
Unlicensed band 900 MHz applications
GENERAL DESCRIPTION
The ADF9010 is a fully integrated RF Tx modulator and Rx
analog baseband front end that operates in the frequency
www.DaratanSgheeferot4mU.8c4om0 MHz to 960 MHz. The receive path consists
of a fully differential I/Q baseband PGA, low-pass filter, and
general signal conditioning before connecting to an Rx ADC
for baseband conversion. The Rx LPF gain ranges from 3 dB
to 24 dB, programmable in 3 dB steps. The Rx LPF features
four programmable modes with cutoff frequencies of 330 kHz,
880 kHz, and 1.76 MHz, or the filter can be bypassed if necessary.
900 MHz ISM Band
Analog RF Front End
ADF9010
RxINIP
RxININ
RxCM
RxINQP
RxINQN
MUXOUT
RSET
CP
VTUNE
LOOUTP
LOOUTN
TxOUTP
TxOUTN
FUNCTIONAL BLOCK DIAGRAM
RXVDD AVDD
VP DVDD
CE
VCM ADF9010
VCM
DC OFFSET
CORRECTION
RxBBIP
RxBBIN
OVF
DC OFFSET
CORRECTION
CHARGE
PUMP
PHASE
FREQUENCY
DETECTOR
R
COUNTER
B
COUNTER
A
COUNTER
÷4
QUADRATURE
PHASE SPLITTER
24-BIT
INPUT SHIFT
REGISTER
PLL
N COUNTER
N = BP + A
PRESCALER
P/P + 1
DGND
AGND
Figure 1.
RxBBQP
RxBBQN
SCLK
SDATA
SLE
REFIN
CEXT1
CEXT2
CEXT3
CEXT4
CT
TxBBIP
TxBBIN
TxBBQP
TxBBQN
The transmit path consists of a fully integrated differential Tx
direct I/Q upconverter with a high linearity PA driver amplifier.
It converts a baseband I/Q signal to an RF carrier-based signal
between 840 MHz and 960 MHz. The highly linear transmit
signal path ensures low output distortion.
Complete local oscillator (LO) signal generation is integrated
on chip, including the integer-N synthesizer and VCO, which
generate the required I and Q signals for transmit I/Q upconver-
sion. The LO signal is also available at the output to drive an
external RF demodulator. Control of all the on-chip registers
is via a simple 3-wire serial interface. The device operates with a
power supply ranging from 3.15 V to 3.45 V and can be powered
down when not in use.
Rev. 0
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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2008 Analog Devices, Inc. All rights reserved.


ADF9010 데이터시트, 핀배열, 회로
ADF9010
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Transmit Characteristics.............................................................. 3
Receive Baseband Characteristics .............................................. 4
Integer-N PLL and VCO Characteristics .................................. 5
Write Timing Characteristics...................................................... 6
Absolute Maximum Ratings............................................................ 7
Transistor Count........................................................................... 7
ESD Caution.................................................................................. 7
Pin Configuration and Function Descriptions............................. 8
Typical Performance Characteristics ........................................... 10
Circuit Description......................................................................... 12
Rx Section.................................................................................... 12
LO Section ................................................................................... 12
REVISION HISTORY
8/08—Revision 0: Initial Version
R Counter .................................................................................... 12
A and B Counters ....................................................................... 12
Tx Section.................................................................................... 14
Interfacing ................................................................................... 14
Latch Structure ........................................................................... 15
Control Latch .............................................................................. 21
Tx Latch ....................................................................................... 21
Rx Calibration Latch .................................................................. 21
LO Latch ...................................................................................... 22
Rx Latch....................................................................................... 22
Initialization................................................................................ 22
Interfacing ................................................................................... 22
Applications Information .............................................................. 23
Demodulator Connection......................................................... 23
LO and Tx Output Matching .................................................... 24
PCB Design Guidelines ............................................................. 24
Outline Dimensions ....................................................................... 25
Ordering Guide .......................................................................... 25
www.DataSheet4U.com
Rev. 0 | Page 2 of 28




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ADF9010

900 MHz ISM Band Analog RF Front End - Analog Devices