ADF7242 datasheet(30/108 Pages) AD

30 / 108 page

ADF7242

Rev. 0 | Page 30 of 108

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–85 –80 –75 –70 –65 –60 –55 –50 –45 –40 –35 –30 –25 –20 –15

RF INPUT POWER LEVEL (dBm)

MAX 1.8V, +25°C

MAX 3.6V, +25°C

MAX 1.8V, –40°C

MAX 3.6V, –40°C

MAX 1.8V, +85°C

MAX 3.6V, +85°C

MIN 1.8V, +25°C

MIN 3.6V, +25°C

MIN 1.8V, –40°C

MIN 3.6V, –40°C

MIN 1.8V, +85°C

MIN 3.6V, +85°C

Figure 45. Minimum and Maximum RSSI Error for 1000 Packets vs. RF Input

Power Level vs. Temperature and VDD_BAT, 2 Mbps GFSK (fDEV = ±500 kHz)

Packet Mode, fCHANNEL = 2.45GHz, RFIO2

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–6

–95 –90 –85 –80 –75 –70 –65 –60 –55 –50 –45 –40 –35 –30 –25 –20 –15

RF INPUT POWER LEVEL (dBm)

MAX 1.8V, +25°C

MAX 3.6V, +25°C

MAX 1.8V, –40°C

MAX 3.6V, –40°C

MAX 1.8V, +85°C

MAX 3.6V, +85°C

MIN 1.8V, +25°C

MIN 3.6V, +25°C

MIN 1.8V, –40°C

MIN 3.6V, –40°C

MIN 1.8V, +85°C

MIN 3.6V, +85°C

Figure 46. Minimum and Maximum RSSI Error for 1000 Packets vs. RF Input

Power Level vs. Temperature and VDD_BAT, 500 kbps FSK (fDEV = ±250 kHz)

Packet Mode, fCHANNEL = 2.45 GHz, RFIO2

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FREQUENCY ERROR (kHz)

2Mbps AFC ON

2Mbps AFC OFF

Figure 47. PER vs. Frequency Error with and Without AFC, 2 Mbps GFSK

(fDEV = ±500 kHz) Mode, fCHANNEL = 2.45 GHz, RFIO2, VDD_BAT = 3.6 V,

Temperature = 25°C

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FREQUENCY ERROR (kHz)

500kbps AFC ON

500kbps AFC OFF

Figure 48. PER vs. Frequency Error with and Without AFC, 500 kbps GFSK

(fDEV = ±250 kHz) Mode, fCHANNEL = 2.45 GHz, RFIO2, VDD_BAT = 3.6 V,

Temperature = 25°C

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1.0

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–0.6

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–1.0

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FREQUENCY ERROR (MHz)

PACKET

ERROR

RATE (%)

>1%

<1%

Figure 49. PER vs. Frequency Error vs. Symbol Rate Tolerance, 2 Mbps GFSK

(fDEV = ±500 kHz) Mode, fCHANNEL = 2.45 GHz, VDD_BAT = 3.6 V,

Temperature = 25°C, RFIO2

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–60

–70

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–1

FREQUENCY ERROR (kHz)

1.8V, +25°C

3.6V, +25°C

1.8V, –40°C

3.6V, –40°C

1.8V, +85°C

3.6V, +85°C

Figure 50. IEEE 802.15.4-2006 Transmitter Spectrum vs. Temperature and

VDD_BAT, fCHANNEL = 2.45 GHz, Output Power = 3 dBm

ADF7242 Datasheet(PDF) 30 Page - Analog Devices

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