ADF7024 datasheet(7/24 Pages) AD

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Data Sheet

ADF7024

Rev. B | Page 7 of 24

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

BLOCKING

Desired signal 3 dB above the input sensitivity level

(BER = 10−3), carrier wave interferer, power level increased

until BER = 10−3, Radio Profile B

RF = 433 MHz

±2 MHz

±10 MHz

RF = 868 MHz

±2 MHz

±10 MHz

RF = 915 MHz

±2 MHz

±10 MHz

BLOCKING, ETSI EN 300 220

Measurement procedure as per ETSI EN 300-220-1 V2.3.1;

desired signal 3 dB above the ETSI EN 300-220 reference

sensitivity level of −99 dBm, Radio Profile B, unmodulated

interferer

±2 MHz

−28

dBm

±10 MHz

−20.5

dBm

WIDEBAND INTERFERENCE REJECTION

RF = 868 MHz, swept from 10 MHz to 100 MHz either

side of the RF

IMAGE CHANNEL ATTENUATION

Measured as image attenuation at the IF filter output,

carrier wave interferer at 400 kHz below the channel

frequency, 100 kHz IF filter bandwidth

868 MHz, 915 MHz

36/45

Uncalibrated/calibrated

433 MHz

40/54

Uncalibrated/calibrated

AFC

Accuracy

kHz

RSSI

Range at Input

−97 to −26

dBm

Linearity

±2

Absolute Accuracy

±3

MAXIMUM RF INPUT LEVEL

dBm

LNA INPUT IMPEDANCE, DIFFERENTIAL

Receive Mode

fRF = 915 MHz

75.9 − j32.3

fRF = 868 MHz

78.0 − j32.4

fRF = 433 MHz

95.5 − j23.9

Transmit Mode

fRF = 915 MHz

7.6 + j9.2

fRF = 868 MHz

7.7 + j8.6

fRF = 433 MHz

7.9 + j4.6

RX SPURIOUS EMISSIONS4

Maximum < 1 GHz

−66

dBm

At antenna input, unfiltered conductive

Maximum > 1 GHz

−62

dBm

At antenna input, unfiltered conductive

1 Sensitivity measured with FSK modulation.

2 Sensitivity for combined Tx/Rx matching network case is typically 1 dB less than separate Tx/Rx matching networks.

3 Sensitivity measured with FSK modulation and AFC disabled.

4 Follow the matching and layout guidelines to achieve the relevant FCC/ETSI specifications.

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