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ADF7020-1 Datasheet

  • ADF7020-1

  • High Performance, ISM Band,FSK/ASK Transceiver IC

  • 809.00KB

  • 45页

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High Performance
FSK/ASK Transceiver IC
ADF7020-1
FEATURES
Low power, low IF transceiver
Frequency bands
135 MHz to 650 MHz, direct output
80 MHz to 325 MHz, divide-by-2 mode
Data rates supported
0.15 kbps to 200 kbps, FSK
0.15 kbps to 64 kbps, ASK
2.3 V to 3.6 V power supply
Programmable output power
鈭?0 dBm to +13 dBm in 63 steps
Receiver sensitivity
鈭?19 dBm at 1 kbps, FSK, 315 MHz
鈭?14 dBm at 9.6 kbps, FSK, 315 MHz
鈭?11.8 dBm at 9.6 kbps, ASK, 315 MHz
Low power consumption
17.6 mA in receive mode
21 mA in transmit mode (10 dBm output)
On-chip VCO and fractional-N PLL
On-chip 7-bit ADC and temperature sensor
Fully automatic frequency control loop (AFC) compensates
for lower tolerance crystals
Digital RSSI
Integrated TRx switch
Leakage current <1 渭A in power-down mode
APPLICATIONS
Low cost wireless data transfer
Wireless medical applications
Remote control/security systems
Wireless metering
Keyless entry
Home automation
Process and building control
FUNCTIONAL BLOCK DIAGRAM
RSET
CREG(1:4)
ADCIN
MUXOUT
R
LNA
POLARIZATION
LDO(1:4)
OFFSET
CORRECTION
TEMP
SENSOR
TEST MUX
LNA
RFIN
RFINB
IF FILTER
RSSI
MUX
7-BIT ADC
FSK/ASK
DEMODULATOR
DATA
SYNCHRONIZER
GAIN
OFFSET
CORRECTION
AGC
CONTROL
FSK MOD
CONTROL
GAUSSIAN
FILTER
危-螖
MODULATOR
CE
DATA CLK
Tx/Rx
CONTROL
DATA I/O
AFC
CONTROL
INT/LOCK
RFOUT
DIVIDERS/
MUXING
DIV P
N/N+1
SLE
SERIAL
PORT
VCO
CP
PFD
DIV R
RING
OSC
CLK
DIV
SDATA
SREAD
SCLK
L1
L2
VCOIN
CPOUT
OSC1
OSC2
CLKOUT
Figure 1.
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.
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: 781.461.3113
漏 2005 Analog Devices, Inc. All rights reserved.
05669-001

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