Datasheet > EVAL-ADF7021DBZ2

EVAL-ADF7021DBZ2

更新时间： 2022-02-26 11:08:58

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
64页	1250K
描述
High Performance Narrow-Band Transceiver IC

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EVAL-ADF7021DBZ2 数据手册

High Performance

Narrow-Band Transceiver IC

ADF7021

Data Sheet

On-chip VCO and fractional-N PLL

FEATURES

On-chip, 7-bit ADC and temperature sensor

Fully automatic frequency control loop (AFC)

Digital received signal strength indication (RSSI)

Integrated Tx/Rx switch

Low power, narrow-band transceiver

Frequency bands using dual VCO

80 MHz to 650 MHz

862 MHz to 950 MHz

Modulation schemes

0.1 µA leakage current in power-down mode

2FSK, 3FSK, 4FSK, MSK

Spectral shaping

APPLICATIONS

Narrow-band standards

ETSI EN 300 220, FCC Part 15, FCC Part 90, FCC Part 95,

ARIB STD-T67

Low cost, wireless data transfer

Remote control/security systems

Wireless metering

Private mobile radio

Wireless medical telemetry service (WMTS)

Keyless entry

Gaussian and raised cosine filtering

Data rates supported

0.05 kbps to 32.8 kbps

2.3 V to 3.6 V power supply

Programmable output power

−16 dBm to +13 dBm in 63 steps

Automatic PA ramp control

Receiver sensitivity

−130 dBm at 100 bps, 2FSK

−122 dBm at 1 kbps, 2FSK

−113 dBm at 25 kbps, raised cosine 2FSK

Patent pending, on-chip image rejection calibration

Home automation

Process and building control

Pagers

FUNCTIONAL BLOCK DIAGRAM

RSET

MUXOUT

CREG(1:4)

TEMP

SENSOR

MUX

7-BIT ADC

LDO(1:4)

TEST MUX

LNA

2FSK

3FSK

4FSK

LNA

TxRxCLK

CLOCK

AND DATA

RECOVERY

FIN

RSSI/

LOG AMP

TxRxDATA

Tx/Rx

CONTROL

IF FILTER

FINB

DEMODULATOR

SWD

GAIN

AGC

CONTROL

SLE

SERIAL

PORT

SDATA

SREAD

SCLK

AFC

CONTROL

PA RAMP

2FSK

3FSK

4FSK

GAUSSIAN/

RAISED COSINE

FILTER

Σ-Δ

MODULATOR

÷1/÷2

DIV P

N/N + 1

RFOUT

MOD CONTROL

÷2

VCO1

3FSK

ENCODING

MUX

PFD

VCO2

CLK

DIV

DIV R

OSC

L1 L2

VCOIN CPOUT

OSC1 OSC2

CLKOUT

Figure 1.

Rev. B

Document Feedback

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

rightsof third parties that may result fromits 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 andregisteredtrademarks are the property of their respective owners.

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

Technical Support

www.analog.com

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