Datasheet > EVAL-ADF7020DBZ3

EVAL-ADF7020DBZ3

更新时间： 2022-04-14 19:30:13

品牌	Logo	应用领域
亚德诺 - ADI		ISM频段
页数	文件大小	规格书
48页	719K
描述
High Performance, ISM Band, FSK/ASK Transceiver IC

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EVAL-ADF7020DBZ3 数据手册

Data Sheet

ADF7020

SPECIFICATIONS

VDD = 2.3 V to 3.6 V, GND = 0 V, T_A= T_MINto T_MAX, unless otherwise noted. Typical specifications are at VDD = 3 V, T_A= 25°C.

All measurements are performed using the EVAL-ADF7020DBZx using the PN9 data sequence, unless otherwise noted.

Table 1.

Parameter

Min

Typ

Max

Unit

Test Conditions

RF CHARACTERISTICS

Frequency Ranges (Direct Output)

862

902

928

431

440

RF/256

870

928

956

440

478

MHz

VCO adjust = 0, VCO bias = 10

VCO adjust = 3, VCO bias = 10

VCO adjust = 3, VCO bias = 12, VDD = 2.7 V to 3.6 V

VCO adjust = 0, VCO bias = 10

VCO adjust = 3, VCO bias = 12

Frequency Ranges (Divide-by-2 Mode)

Phase Frequency Detector Frequency

TRANSMISSION PARAMETERS

Data Rate

FSK/GFSK

OOK/ASK

0.15

0.3

200

64¹

100

kbps

kbaud

Using Manchester encoding

Frequency Shift Keying

GFSK/FSK Frequency Deviation^{2, 3}

4.88

100

110

620

kHz

PFD = 3.625 MHz

PFD = 20 MHz

PFD = 3.625 MHz

Deviation Frequency Resolution

Gaussian Filter BT

0.5

Amplitude Shift Keying

ASK Modulation Depth

PA Off Feedthrough in OOK Mode

Transmit Power⁴

Transmit Power Variation vs.

Temperature

−50

dBm

−20

+13

VDD = 3.0 V, T_A= 25°C

From −40°C to +85°C

Transmit Power Variation vs. VDD

Transmit Power Flatness

Programmable Step Size

−20 dBm to +13 dBm

Integer Boundary

From 2.3 V to 3.6 V at 915 MHz, T_A= 25°C

From 902 MHz to 928 MHz, 3 V, T_A= 25°C

0.3125

−55

−65

dBc

50 kHz loop BW

Reference

Harmonics

Second Harmonic

Third Harmonic

All Other Harmonics

VCO Frequency Pulling, OOK Mode

Optimum PA Load Impedance⁵

−27

−21

−35

39 + j61

48 + j54

54 + j94

dBc

kHz rms

Ω

Unfiltered conductive

DR = 9.6 kbps

FRF = 915 MHz

FRF = 868 MHz

FRF = 433 MHz

Ω

RECEIVER PARAMETERS

FSK/GFSK Input Sensitivity

At BER = 1E − 3, FRF = 915 MHz,

LNA and PA matched separately⁶

Sensitivity at 1 kbps

Sensitivity at 9.6 kbps

Sensitivity at 200 kbps

OOK Input Sensitivity

Sensitivity at 1 kbps

Sensitivity at 9.6 kbps

−119.2

−112.8

−100

dBm

FDEV = 5 kHz, high sensitivity mode⁷

FDEV = 10 kHz, high sensitivity mode

FDEV = 50 kHz, high sensitivity mode

At BER = 1E − 3, FRF = 915 MHz

High sensitivity mode

−116

−106.5

dBm

High sensitivity mode

Rev. D | Page 5 of 48

1 2 3 456 7 8...48

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