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ADF7242 Datasheet(PDF) 27 Page - Analog Devices

Part # ADF7242
Description  Low Power IEEE 802.15.4/Proprietary GFSK/FSK Zero-IF 2.4 GHz Transceiver IC
PDF  108 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADF7242 Datasheet(HTML) 27 Page - Analog Devices

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ADF7242
Rev. 0 | Page 27 of 108
1.8
2.0
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
–90
–80
–70
–60
–50
–40
–30
–20
RF INPUT POWER LEVEL (dBm)
1.8V, +25°C
3.6V, +25°C
1.8V, –40°C
3.6V, –40°C
1.8V, +85°C
3.6V, +85°C
–85
–83
Figure 27. PER vs. RF Input Power Level vs. Temperature and VDD_BAT,
2 Mbps GFSK (fDEV = ±500 kHz) Mode, fCHANNEL = 2.45 GHz, RFIO2
1.8
2.0
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
–90
–80
–70
–60
–50
–40
–30
–20
RF INPUT POWER LEVEL (dBm)
1.8V, +25°C
3.6V, +25°C
1.8V, –40°C
3.6V, –40°C
1.8V, +85°C
3.6V, +85°C
–92.5
–90.5
Figure 28. PER vs. RF Input Power Level vs. Temperature and VDD_BAT,
500 kbps GFSK (fDEV = ±250 kHz) Mode, fCHANNEL = 2.45 GHz, RFIO2
1.8
2.0
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
–90
–100
–80
–70
–60
–50
–40
–30
–20
RF INPUT POWER LEVEL (dBm)
1.8V, +25°C
3.6V, +25°C
1.8V, –40°C
3.6V, –40°C
1.8V, +85°C
3.6V, +85°C
–92.5
–94.5
Figure 29. PER vs. RF Input Power Level vs. Temperature and VDD_BAT,
125 kbps FSK (fDEV = ±60 kHz) Mode, fCHANNEL = 2.45 GHz, RFIO2
–78
–96
–95
–94
–93
–92
–91
–97
–89
–88
–87
–86
–85
–84
–83
–82
–81
–80
–79
–90
2000
1000
500
250
125
100
62.5
50
DATA RATE (kbps)
VDD_BAT = 3.6V
TEMPERATURE = 25°C
Figure 30. 1% PER sensitivity vs. Data Rate, fCHANNEL = 2.45 GHz, RFIO2
–1
–2
–3
–4
–5
–6
–7
–8
0
–100
–90
–80
–70
–60
–50
–40
–30
–20
RF INPUT POWER LEVEL (dBm)
–87
–86
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 31. BER vs. RF Input Power Level vs. Temperature and VDD_BAT,
2 Mbps GFSK (fDEV = ±500 kHz) Mode, fCHANNELS= 2.45 GHz, RFIO2
–1
–2
–3
–4
–5
–6
–7
–8
0
–100
–90
–80
–70
–60
–50
–40
–30
–20
RF INPUT POWER LEVEL (dBm)
–90.5
–89
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 32. BER vs. RF Input Power Level vs. Temperature and VDD_BAT,
1 Mbps GFSK (fDEV = ±250 kHz) Mode, fCHANNEL = 2.45 GHz, RFIO2



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