Preliminary
RF2475
Absolute Maximum Ratings
Parameter
Supply Voltage
Rating
-0.5 to +5.0
Unit
Caution! ESD sensitive device.
V
DC
Input LO and RF Levels
Operating Ambient Temperature
Storage Temperature
+6
dBm
°C
°C
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).
-30 to +85
-40 to +150
Specification
Typ.
Parameter
Unit
Condition
Min.
Max.
Cellular Receive Path
Operational Limits
RF Frequency
LO Frequency
IF Frequency
LNA Input Level
LO Input Level
Supply Voltage
869
950
100
894
1045
150
+10
-4
MHz
MHz
MHz
dBm
dBm
V
-10
2.7
-7
2.8
3.3
T
=25°C, V =2.8V, f =881MHz,
CC RF
=1016MHz, f =135MHz,
IF
AMB
Cellular Cascaded
Electrical Specifications
f
LO
LO Level=-7dBm, Image Filter I.L.=3dB
High Gain, Gain Select=High
Low Gain, Gain Select=Low
Gain
23
14
25
8
17
27
dB
dB
dB
dB
Gain Step
Gain Variations versus Tempera-
8
+1.5
-30°C to +85°C
ture
Noise Figure
2.2
15
-9
2.6
20
dB
dB
dBm
High Gain, Gain Select=High
Low Gain, Gain Select=Low
High Gain, Gain Select=High
1
-10
Input Third Order Intercept
-2.0
10
10
10
10
60
-0.5
dBm
dB
dB
dB
dB
Low Gain, Gain Select=Low
LNA Input - External Match
LNA Output - External Match
Mixer RF Input - External Match
Mixer LO Input - External Match
Return Loss
2
Isolation
dB
LO IN to LNA IN, Gain Select=High
60
dB
dB
LO IN to LNA IN, Gain Select=Low
3
60
Image Rejection
50
50
35
>10
20
dB
dB
dB
kΩ
mA
LO IN to IF OUT
Mixer RF IN to IF OUT
Mixer RF IN to TX LO OUT
Mixer “ON”
IF Output Impedance
Supply Current
TX LO Buffer
LO Output Buffer
Harmonic Output
Isolation - LO OUT to LO IN
Supply Current
Logic
25
Not including TX LO buffer
-7
-22
25
-4
-25
dBm
dBc
dB
LO Input Level=-7dBm
LO Input Level=-7dBm
TX LO Buffer ON
7.5
9.0
0.5
mA
Input Low
V
V
V
V
=2.7V to 2.9V
=2.7V to 2.9V
CC
CC
Input High
2.0
Input Current
Input Impedance
NOTES:
TBD
TBD
µA
kΩ
1 LNA input IP3 response to out of band frequencies (824Hz to 849MHz) should be -6dBm in high gain mode.
2 LO IN to LNA IN isolation specification with the 900MHz TX LO buffer on.
3 Image rejection measured with fRF=869MHz, PRF=-105dBm, fLO=1004MHz; PIMAGE=-85dBm, fIMAGE=1139MHz
8-90
Rev A2 010918
RFMD [ RF MICRO DEVICES ]
