11-54
RF2905
Rev B11 010516
11
Absolute Maximum Ratings
Parameter
Ratings
Unit
Supply Voltage
-0.5 to +5.5
VDC
Control Voltages
-0.5 to +5.0
VDC
Input RF Level
+10
dBm
Output Load VSWR
50:1
Operating Ambient Temperature
-40 to +85
°C
Storage Temperature
-40 to +150
°C
Parameter
Specification
Unit
Condition
Min.
Typ.
Max.
Overall
T=25 °C, VCC=3.6V, Freq=915MHz
RF Frequency Range
300 to 1000
MHz
VCO and PLL Section
VCO Frequency Range
300 to 1000
MHz
Prescaler divide ratio
64/65 or 128/129
Prescaler Output Impedance
50
Ω
PLL Phase Noise
-75
dBc/Hz
Freq= 915MHz, 10kHz Offset, 5kHz Loop
Bandwidth
-100
dBc/Hz
Freq= 915MHz, 100kHz Offset, 5kHz loop
Bandwidth
Reference Frequency
TBD
17
MHz
Crystal RS
50
100
Ω
Charge Pump Current
-40
+40
µA
Transmit Section
Max Modulation Frequency
2
MHz
Min Modulation Frequency
Set by loop filter bandwidth
Maximum Power Level
+7
+10
dBm
Freq= 433MHz
0
+3
8
dBm
Freq= 915MHz
Power Control Range
12
dB
Power Control Sensitivity
10
dB/V
Max FM Deviation
200
kHz
Instantaneous frequency deviation is
inversely proportional with the modulation
voltage
Antenna Port Impedance
50
Ω
TX ENABL= “1”. RX ENABL= “0”
Antenna Port VSWR
1.5:1
TX Mode
Modulation Input Impedance
4
k
Ω
Harmonics
-23
dBc
Spurious
dBc
Compliant to Part 15.249 and I-ETS 300 220
Overall Receive Section
Frequency Range
300 to 1000
MHz
Cascaded Voltage Gain
35
dB
Freq= 433MHz
23
dB
Freq= 915MHz
Cascaded Noise Figure
10
dB
Cascaded Input IP3
-31
dBm
Freq= 433MHz
-26
dBm
Freq= 915MHz
RX Sensitivity
-95
-101
dBm
IF BW = 180kHz, Freq= 915MHz, S/N= 8dB
LO Leakage
-70
dBm
RSSI DC Output Range
0.5 to 2.5
V
RLOAD=51kΩ
RSSI Sensitivity
25
mV/dB
RSSI Dynamic Range
70
80
dB
Caution! ESD sensitive device.
RF Micro Devices believes the furnished information is correct and accurate
at the time of this printing. However, RF Micro Devices reserves the right to
make changes to its products without notice. RF Micro Devices does not
assume responsibility for the use of the described product(s).
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