RFLA1038 Datasheet, PDF (3/11 Pages) RF Micro Devices – Variable Gain Low Noise High Linearity Amplifier 1710MHz to 1785MHz

RFLA1038
Parameter
Specification
Unit Condition
Min Typ Max
Low Gain Mode Performance
Operating Frequency Range
1710
1785 MHz
Temp = 25°C, V_CC = 5V, Standard Application Circuit
Max Gain
20.1 23.5 25 dB Attenuation = Minimum, VVA_CV = 0V
Gain Flatness
0.31 0.9 dB Gain range 18dB to 3dB
Min Gain
-10 -3
3
dB
Output IP3 (Max Gain)
40
dBm Max Gain, Attenuation = Minimum, VVA_CV = 0V
Input IP3
14 22.5
18 26
dBm
dBm
12dB to 18dB Gain
3dB to 11dB Gain
Output P1dB (Max Gain)
26
dBm Attenuation = Minimum, VVA_CV = 0V
4
11
dBm 12dB to 18dB Gain
Input P1dB
8
13
dBm 6dB to 11dB Gain
10.2 13
dBm 3dB to 5dB Gain
Noise Figure (Max Gain)
1.8
dB Attenuation = Minimum, VVA_CV = 0V
Input Return Loss
-26 -20 dB 3dB to 18dB Gain
Output Return Loss
-25 -15 dB
Power Supply
VCTRL Voltage
0
3.3
V
Logic High
2
5
V
Logic Low
0
1
V
Thermal Resistance
35.5
°C/W 85°C at 5V
Current
Supply Current
Current ¹
Current ²
250 275 320
250 275 320
165 190 235
mA HG Mode
mA LG Mode 1
mA LG Mode 2
Notes:
1.
2.
LG mode with 2^nd LNA bypass VCC still applied
LG mode with 2^nd LNA bypass VCC disabled
Truth Table
High Gain
Low Gain
SC_N
0
1
SC_P
1
0
RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421
DS140424
For sales or technical support, contact RFMD at +1.336.678.5570 or [e-mail].
The information in this publication is believed to be accurate. However, no responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any infringement of patents or other rights of
third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent rights of RFMD. RFMD reserves the right to change component circuitry, recommended
application circuitry and specifications at any time without prior notice.
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