11-12
RF2512
Rev B9 010509
11
Absolute Maximum Ratings
Parameter
Rating
Unit
Supply Voltage
-0.5 to +5.5
VDC
Power Down Voltage (VPD)
-0.5toVCC
V
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
Frequency Range
300 to 1000
MHz
Modulation
FM/FSK
Modulation Frequency
2
MHz
Maximum FM Deviation
200
kHz
Dependent upon Supply Voltage
PLL and Prescaler
Prescaler Divide Ratio
64/65 or 128/129
PLL Lock TIme
4/PLL BW
ms
The PLL lock time, from power up, is set
externally by the bandwidth of the loop filter.
PLL Phase Noise
-80
dBc/Hz
10kHz Offset, 10kHz loop bandwidth
-100
dBc/Hz
100kHz Offset, 10kHz loop bandwidth
Reference Frequency
17
MHz
Max Crystal RS
TBD
100
Ω
Charge Pump Current
-40
+40
µA
Transmit Section
Maximum Power Level
+7
+12
dBm
Freq= 433MHz
+6
dBm
Freq= 915MHz
Power Control Range
15
dB
Power Control Sensitivity
10
dB/V
Antenna Port Impedance
50
Ω
TX ENABL= “1”
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
Power Down Control
Logic Controls “ON”
2.0
V
Voltage supplied to the input; device is “ON”
Logic Controls “OFF”
1.0
V
Voltage supplied to the input; device is “OFF”
Control Input Impedance
25
k
Ω
Turn On Time
5+4/PLL
BW
ms
From Change in OSC SEL,7.075MHz XTAL
Turn Off Time
TBD
ms
From Change in OSC SEL,7.075MHz XTAL
Power Supply
Voltage
3.6
V
Specifications
2.7 to 5.0
V
Operating limits
Current Consumption
28
mA
TX Mode, LVL ADJ= 3.6V
10
mA
TX Mode, LVL ADJ= 0V
8mA
PLL Only
1
µA
LVL ADJ= 0V, PLL ENABL=0V,
TX ENABL= 0V, OSC SEL= 0V
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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