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Dual Path RF Switch with LNA and
DVGA 3300MHz to 4000MHz
F0453B
Datasheet
Description
The F0453B is an integrated dual-path RF front-end consisting of
an RF switch and two gain stages with 6dB gain control used in
the analog front-end receiver of an Active Antenna System (AAS).
The F0453B supports frequencies from 3300MHz to 4000MHz.
The F0453B provides 34.5dB gain with +23dBm OIP3, +15dBm
output P1dB, and 1.35dB noise figure at 3500MHz. Gain is
reduced 6dB in a single step with a maximum settling time of
31ns. The device uses a single 3.3V supply and 130mA of IDD.
The F0453B is offered in a 5 5 0.8 mm, 32-LGA package with
50Ω input and output amplifier impedances for ease of integration
into the signal path.
Competitive Advantage
High integration
Low noise and high linearity
On-chip matching and bias
Extremely low current consumption
Features
Gain at 3500MHz
34.5dB typical in High Gain Mode
28.5dB typical in Low Gain Mode
1.35dB NF at 3500MHz
+23dBm OIP3 at 3500MHz
OP1dB at 3500MHz
+15dBm in High Gain Mode
+14dBm in Low Gain Mode
50Ω single-ended input / output amplifier impedances
IDD = 130mA
Independent Standby Mode for power savings
Supply voltage: +3.15V to +3.45V
5 5 mm, 32-LGA package
-40°C to +105°C exposed pad operating temperature range
Block Diagram
Typical Applications
Multi-mode, Multi-carrier receivers
4.5G (LTE Advanced)
5G band 42 and 43
STBY1
ATT1_CTRL
SW1_CTRL
SW2_CTRL
ATT2_CTRL
STBY2
SW1_IN
SW2_IN
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F0453B Datasheet
Contents
Pin Assignments....................................................................................................................................................................................................5
Pin Descriptions.....................................................................................................................................................................................................6
Absolute Maximum Ratings...................................................................................................................................................................................7
Recommended Operating Conditions ...................................................................................................................................................................8
Electrical Characteristics: General ........................................................................................................................................................................9
Electrical Characteristics: 3300MHz [1]...............................................................................................................................................................11
Electrical Characteristics: 3300MHz [2]...............................................................................................................................................................12
Electrical Characteristics: 34003600MHz [1].....................................................................................................................................................13
Electrical Characteristics: 34003600MHz [2].....................................................................................................................................................14
Electrical Characteristics: 36003800MHz [1].....................................................................................................................................................15
Electrical Characteristics: 36003800MHz [2].....................................................................................................................................................16
Electrical Characteristics: 38004000MHz [1].....................................................................................................................................................17
Electrical Characteristics: 38004000MHz [2].....................................................................................................................................................18
Thermal Characteristics.......................................................................................................................................................................................19
Typical Operating Conditions ..............................................................................................................................................................................19
Programming .......................................................................................................................................................................................................24
Evaluation Kit Picture ..........................................................................................................................................................................................25
Evaluation Kit / Applications Circuit .....................................................................................................................................................................26
Evaluation Kit Operation......................................................................................................................................................................................28
Power Supply Setup ...................................................................................................................................................................................28
Standby (STBY) Pin ...................................................................................................................................................................................28
Gain Step Control Setup.............................................................................................................................................................................29
Switch Control Pin ......................................................................................................................................................................................29
Mode Control Setup....................................................................................................................................................................................29
Power-On Procedure..................................................................................................................................................................................29
Power-Off Procedure..................................................................................................................................................................................29
Application Information ........................................................................................................................................................................................30
Power Supplies...........................................................................................................................................................................................30
Control Pin Interface...................................................................................................................................................................................30
Package Outline Drawings ..................................................................................................................................................................................31
Ordering Information............................................................................................................................................................................................31
Marking Diagram .................................................................................................................................................................................................31
Revision History...................................................................................................................................................................................................32
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F0453B Datasheet
List of Figures
Figure 1. Pin Assignments for 5 5 0.8 mm 32-LGA Top View...................................................................................................................5
Figure 2. Typical TX Input Power and Reduced Exposed Pad Temperature Profile[c]........................................................................................8
Figure 3. Rx Mode Gain (High Gain) ................................................................................................................................................................20
Figure 4. Rx Mode Gain (Low Gain) .................................................................................................................................................................20
Figure 5. Rx Mode Channel Isolation (High Gain) ............................................................................................................................................20
Figure 6. Rx Mode Channel Isolation (Low Gain).............................................................................................................................................20
Figure 7. Rx Mode Input Return Loss (High Gain)............................................................................................................................................20
Figure 8. Rx Mode Input Return Loss (Low Gain) ............................................................................................................................................20
Figure 9. Rx Mode Output Return Loss (High Gain).........................................................................................................................................21
Figure 10. Rx Mode Output Return Loss (Low Gain)..........................................................................................................................................21
Figure 11. Rx Mode OP1dB vs. Frequency (High Gain).....................................................................................................................................21
Figure 12. Rx Mode OP1dB vs. Frequency (Low Gain)......................................................................................................................................21
Figure 13. Rx Mode OIP3 vs. Frequency (High Gain) ........................................................................................................................................21
Figure 14. Rx Mode OIP3 vs. Frequency (Low Gain).........................................................................................................................................21
Figure 15. Tx Mode Isolation (SW_IN to RX_OUT)............................................................................................................................................22
Figure 16. Tx Mode Channel Isolation (Switch Inputs) .......................................................................................................................................22
Figure 17. Tx Mode Input Return Loss ...............................................................................................................................................................22
Figure 18. Stability Factor...................................................................................................................................................................................22
Figure 19. Rx Mode Noise Figure (High Gain) ...................................................................................................................................................22
Figure 20. Rx Mode Noise Figure (Low Gain) ....................................................................................................................................................22
Figure 21. Switching Time from TX to RX Mode ................................................................................................................................................23
Figure 22. Switching Time from RX to TX Mode ................................................................................................................................................23
Figure 23. Standby to RX Mode Transient Time.................................................................................................................................................23
Figure 24. RX Mode to Standby Transient Time.................................................................................................................................................23
Figure 25. 6dB Gain Reduction Transient Time..................................................................................................................................................23
Figure 26. 6dB Gain Increase Transient Time....................................................................................................................................................23
Figure 27. Evaluation Kit: Top View....................................................................................................................................................................25
Figure 28. Evaluation Kit: Bottom View ..............................................................................................................................................................25
Figure 29. Electrical Schematic ..........................................................................................................................................................................26
Figure 30. Connections of Evaluation Board ......................................................................................................................................................28
Figure 31. Standby and Switch Control Logics...................................................................................................................................................29
Figure 32. Control Pin Interface Schematic ........................................................................................................................................................30
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F0453B Datasheet
List of Tables
Table 1. Pin Descriptions...................................................................................................................................................................................6
Table 2. Absolute Maximum Ratings.................................................................................................................................................................7
Table 3. Recommended Operating Conditions .................................................................................................................................................8
Table 4. Electrical Characteristics: General ......................................................................................................................................................9
Table 5. Electrical Characteristics: RX Path in Rx Mode Cascaded Performance ..........................................................................................11
Table 6. Electrical Characteristics: RX Path in Rx Mode Cascaded Performance and TX Performance........................................................12
Table 7. Electrical Characteristics: RX Path in Rx Mode Cascaded Performance ..........................................................................................13
Table 8. Electrical Characteristics: RX Path in Rx Mode Cascaded Performance and TX Performance........................................................14
Table 9. Electrical Characteristics: RX Path in Rx Mode Cascaded Performance ..........................................................................................15
Table 10. Electrical Characteristics: RX Path in Rx Mode Cascaded Performance and TX Performance........................................................16
Table 11. Electrical Characteristics: RX Path in Rx Mode Cascaded Performance ..........................................................................................17
Table 12. Electrical Characteristics: RX Path in Rx Mode Cascaded Performance and TX Performance........................................................18
Table 13. Thermal Characteristics.....................................................................................................................................................................19
Table 14. Gain Step Truth Table .......................................................................................................................................................................24
Table 15. Standby and RF Switch Truth Table..................................................................................................................................................24
Table 16. Bill of Material (BOM) ........................................................................................................................................................................27
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Pin Assignments
Figure 1. Pin Assignments for 5 5 0.8 mm 32-LGA Top View
F0453B Datasheet
ATT1_CTRL 1
STBY1 2
SW1_CTRL 3
GND 4
GND 5
SW2_CTRL 6
STBY2 7
ATT2_CTRL 8
24 GND
23 SW1_IN
22 GND
21 GND
20 GND
19 GND
18 SW2_IN
17 GND
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December 9, 2019