Datasheet > EVAL-ADF7021DB

EVAL-ADF7021DB

更新时间： 2024-11-05 05:20:43

品牌	Logo	应用领域
亚德诺 - ADI		ISM频段
页数	文件大小	规格书
44页	462K
描述
High Performance Narrowband ISM Transceiver IC

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EVAL-ADF7021DB 数据手册

High Performance Narrowband

ISM Transceiver IC

Preliminary Technical Data

ADF7021

On-chip 7-bit ADC and temperature sensor

Fully automatic frequency control loop (AFC)

Digital RSSI

Integrated Tx/Rx switch

Leakage current <1 μA in power-down mode

FEATURES

Low power, low IF transceiver

Frequency bands

80 MHz to 650 MHz

862 MHz to 940 MHz

Modulation schemes

2FSK, 3FSK, 4FSK

APPLICATIONS

Narrow-band standards

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

Spectral shaping

Gaussian and raised-cosine filtering

Data rates supported

0.05 kbps to 25 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

Home automation

Process and building control

Pagers

−125 dBm at 1 kbps, 2 FSK

On-chip VCO and fractional-N PLL

FUNCTIONAL BLOCK DIAGRAM

RSET

MUXOUT

CREG(1:4)

TEMP

SENSOR

MUX

7-BIT ADC

POLARIZATION

LDO(1:4)

TEST MUX

LNA

2FSK

3FSK

4FSK

LNA

DATA CLK | TxDATA

DATA I/O | RxDATA

RSSI/

CLOCK

AND DATA

RECOVERY

FIN

OFFSET

Tx/Rx

CONTROL

IF FILTER

CORRECTION

FINB

DEMODULATOR

SWD

GAIN

AGC

CONTROL

SLE

SDATA

SREAD

SCLK

SERIAL

PORT

AFC

CONTROL

PA RAMP

2FSK

GAUSSIAN/

RAISED COSINE

FILTER

DIVIDERS/

MUXING

Σ-Δ

MODULATOR

3FSK

4FSK

DIV P

RFOUT

N/N + 1

MOD CONTROL

3FSK

ENCODING

VCO

MUX

PFD

CLK

DIV

DIV R

RING OSC

L1 L2 VCOIN

CPOUT

OSC1 OSC2

CLKOUT

Figure 1.

Rev. PrI

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 registeredtrademarks arethe property of their respective owners.

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

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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