FSK Receiver. ADF7902 Datasheet

ADF7902 Receiver. Datasheet pdf. Equivalent

ADF7902 Datasheet
Recommendation ADF7902 Datasheet
Part ADF7902
Description ISM Band FSK Receiver
Feature ADF7902; FEATURES Single-chip, low power UHF receiver Companion receiver to ADF7901 transmitter Frequency ran.
Manufacture Analog Devices
Datasheet
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Analog Devices ADF7902
FEATURES
Single-chip, low power UHF receiver
Companion receiver to ADF7901 transmitter
Frequency range: 369.5 MHz to 395.9 MHz
Eight RF channels selectable with three digital inputs
Modulation parameters supported
FSK demodulation
2 kbps data rate
34.8 kHz frequency deviation
5.0 V supply voltage
Low power consumption
18.5 mA with receiver enabled
1 μA standby current
24-lead TSSOP
ISM Band
FSK Receiver IC
ADF7902
GENERAL DESCRIPTION
The ADF7902 is a low power UHF receiver. The device demodu-
lates frequency shift keyed (FSK) signals with 34.8 kHz frequency
deviation and at data rates of up to 2 kbps. There are eight specific
RF channels ranging from 369.5 MHz to 395.9 MHz on which the
receiver can operate. Each channel is selectable by configuring
three digital control lines.
The ADF7902 is designed for low power applications, consuming
18.5 mA (typical) during normal operation and 1 μA (maximum)
in standby mode.
ADF7902
LNA_1
LNA_2
LNA
VBAT1
CREG1
VBAT2
CREG2
LDO1
LDO2
LNA_RSET
BIAS
FUNCTIONAL BLOCK DIAGRAM
GND
CE
IF FILTER
FSK
DEMODULATOR
N DIVIDER
SELECT
VCO
CP
PFD
OSC
RSET CVCO VCOIN
CPOUT
Figure 1.
OSC1 OSC2
Rx_DATA
CH1_SEL
CH2_SEL
CH3_SEL
CLKOUT
CLKOUT_ENB
Rev. 0
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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
©2007 Analog Devices, Inc. All rights reserved.



Analog Devices ADF7902
ADF7902* PRODUCT PAGE QUICK LINKS
Last Content Update: 02/23/2017
COMPARABLE PARTS
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EVALUATION KITS
ADF7902 Evaluation Board
DOCUMENTATION
Data Sheet
ADF7902: ISM Band FSK Receiver IC
SOFTWARE AND SYSTEMS REQUIREMENTS
ADF70xx Evaluation Software
ADIismLINK Development Platform
TOOLS AND SIMULATIONS
ADIsimSRD Design Studio
REFERENCE MATERIALS
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DESIGN RESOURCES
ADF7902 Material Declaration
PCN-PDN Information
Quality And Reliability
Symbols and Footprints
DISCUSSIONS
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SAMPLE AND BUY
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Analog Devices ADF7902
ADF7902
TABLE OF CONTENTS
Features .............................................................................................. 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 4
ESD Caution.................................................................................. 4
Pin Configuration and Function Descriptions............................. 5
REVISION HISTORY
1/07—Revision 0: Initial Version
Typical Performance Characteristics ..............................................6
Applications Information .................................................................7
Applications Circuits ....................................................................7
Test Modes..........................................................................................9
Outline Dimensions ....................................................................... 10
Ordering Guide .......................................................................... 10
Rev. 0 | Page 2 of 12







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