F2912 [RENESAS]
High Reliability SP2T RF Switch 9 kHz to 9000 MHz;
| 型号： | F2912 |
| 厂家： | 
RENESAS TECHNOLOGY CORP |
| 描述： | High Reliability SP2T RF Switch 9 kHz to 9000 MHz |
| 文件： | 总24页 (文件大小：3966K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
F2912
Datasheet
High Reliability SP2T RF Switch
9 kHz to 9000 MHz
GENERAL DESCRIPTION
FEATURES
The F2912 is a high reliability, low insertion loss, 50 Ω
SP2T absorptive RF switch designed for a multitude of
wireless and other RF applications. This device covers
a broad frequency range from 9 kHz to 9000 MHz. In
addition to providing low insertion loss, the F2912 also
delivers excellent linearity and isolation performance
while providing a 50 termination to the unused RF
input port.
Very low insertion loss: 0.4 dB @ 1GHz
High Input IP3: +66 dBm
RF1 to RF2 Isolation: 74 dB @ 1GHz
1-pin or 2-pin device control option
Low DC current; 20 μA using 3.3 V logic
Single positive supply voltage: 3.3 V
3.3 V or 1.8 V user-selectable control logic
Operating temperature -55 °C to +125 °C
4 mm x 4 mm 20 pin TQFN package
The F2912 uses a single positive supply voltage of
3.3 V supporting three states using either 3.3 V or
1.8 V user-selectable control voltage. An added
feature includes a Mode CTL pin allowing the user to
control the device with either 1-pin or 2-pin control.
FUNCTIONAL BLOCK DIAGRAM
Mode
CTL
Logic
CTL
CTL
Pins
COMPETITIVE ADVANTAGE
The F2912 provides extremely low insertion loss;
particularly important for RF receiver front-end use.
50Ω
50Ω
Insertion Loss : 0.4 dB @ 1 GHz
IIP3: +66 dBm
RF1
RF2
RF1 to RF2 Isolation: 74 dB@ 1 GHz
Negative supply voltage not required
Extended temperature -55 °C to +125 °C
50Ω
APPLICATIONS
Base Station 2G, 3G, 4G
Portable Wireless
Repeaters and E911 systems
Digital Pre-Distortion
Point to Point Infrastructure
Public Safety Infrastructure
WIMAX Receivers and Transmitters
Military Systems, JTRS radios
RFID handheld and portable readers
Cable Infrastructure
RF_COM
ORDERING INFORMATION
Tape &
Reel
Wireless LAN
Test / ATE Equipment
F2912NCGI8
Green
F2912, Rev 3, 04/01/2016
1
ABSOLUTE MAXIMUM RATINGS
Parameter
VCC to GND
Symbol
VCC
Min
-0.3
-0.3
-0.3
Max
+3.9
Units
V
CTL1, CTL2, LogicCTL
VCNTL
VRF
Vcc + 0.3
+0.3
V
RF1, RF2, RF_Com
V
Maximum Junction Temperature
Storage Temperature Range
Lead Temperature (soldering, 10s)
TJmax
TST
+140
°C
°C
°C
-65
+150
TLEAD
+260
ElectroStatic Discharge – HBM
(JEDEC/ESDA JS-001-2012)
Class 2
(2000)
VESDHBM
VESDCDM
V
V
ElectroStatic Discharge – CDM
(JEDEC 22-C101F)
Class IV
(1500)
RF Power For Case Temperatures up to +85 °C*
RF1, RF2 (RF1 or RF2 is connected to RF_COM, State 3 and 2)
RF1, RF2 (RF1 or RF2 is NOT connected to RF_COM, State 1, 2 and 3)
RF_COM (RF_COM port is NOT connected to RF1 or RF2, State 1)
+33 dBm
+24 dBm
+24 dBm
RF Power For Case Temperatures up to +105 °C*
RF1, RF2 (RF1 or RF2 is connected to RF_COM, State 3 and 2)
RF1, RF2 (RF1 or RF2 is NOT connected to RF_COM, State 1, 2 and 3)
RF_COM (RF_COM port is NOT connected to RF1 or RF2, State 1)
+33 dBm
+21 dBm
+21 dBm
RF Power For Case Temperatures up to +120 °C*
RF1, RF2 (RF1 or RF2 is connected to RF_COM, State 3 and 2)
RF1, RF2 (RF1 or RF2 is NOT connected to RF_COM, State 1, 2 and 3)
RF_COM (RF_COM port is NOT connected to RF1 or RF2, State 1)
+27 dBm
+18 dBm
+18 dBm
* Note: These Absolute Maximum RF power limits are reduced if the RF frequency is lower than 400 MHz.
Stresses above those listed above may cause permanent damage to the device. Functional operation of the device at
these or any other conditions above those indicated in the operational section of this specification is not implied.
Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
PACKAGE THERMAL AND MOISTURE CHARACTERISTICS
θJA (Junction – Ambient)
60.0 °C/W
3.9 °C/W
MSL 1
θJC (Junction – Case) The Case is defined as the exposed paddle
Moisture Sensitivity Rating (Per J-STD-020)
High Reliability SP2T RF Switch
2
F2912, Rev 3, 04/01/2016
F2912 RECOMMENDED OPERATING CONDITIONS
Parameter
Symbol
Conditions
Min
Typ
Max Units
Using 3.3 V logic
(Pin 18 low)
2.7
3.6
Supply Voltage
VCC
V
Using 1.8 V logic
(Pin 18 high)
3.15
3.45
Operating Temperature Range
RF Frequency Range
TCASE
FRF
Case Temperature
-55
+125
9000
OC
0.009
MHz
RF1 Port Impedance
ZRF1
50
50
50
RF2 Port Impedance
ZRF2
Ω
RF_COM Port Impedance
ZRF_COM
F2912, Rev 3, 04/01/2016
3
High Reliability SP2T RF Switch
F2912 SPECIFICATION
Typical Application Circuit, VCC = +3.3 V, TC = +25 °C, FRF = 1 GHz, 2 GHz, and or 4 GHz as noted below. Input
power = 0 dBm or +13 dBm/tone unless otherwise stated. PCB board trace and connector losses are de-embedded
unless otherwise noted.
Parameter
Symbol
Conditions
Min
Typ
Max Units
For all control pins
Pin 18 low for 3.3 V logic
0.7 x
VCC
3.6
Logic Input High Threshold
VIH
V
For all control pins
Pin 18 high for 1.8 V logic
1.1 1
2
For all control pins
Pin 18 low for 3.3 V logic
0.3 x
V
VCC
Logic Input Low Threshold
VIL
For all control pins
0.63
V
Pin 18 high for 1.8 V logic
Logic Current
DC Current
IIH, IIL
ICC
For all control pins
Pin 18 low for 3.3 V logic
Pin 18 high for 1.8 V logic
RF = 1.0 GHz
RF = 2.0 GHz
RF = 4.0 GHz
RF = 6.0 GHz
RF = 8.1 GHz
RF = 9.0 GHz
RF = 1.0 GHz
RF = 2.0 GHz
RF = 4.0 GHz
RF = 6.0 GHz
RF = 8.1 GHz
RF = 9.0 GHz
RF = 1.0 GHz
RF = 2.0 GHz
RF = 4.0 GHz
RF = 6.0 GHz
RF = 8.1 GHz
RF = 9.0 GHz
RF = 1.0 GHz
RF = 2.0 GHz
RF = 4.0 GHz
RF = 6.0 GHz
RF = 8.1 GHz
RF = 9.0 GHz
180
20
500
25
nA
µA
126
0.4
0.5
0.6
0.61
0.81
1.00
61.5
57
153
0.6
0.7
0.8
0.92
1.0
Insertion Loss
RF1/RF2 to RF_COM
(State 2 or 3)
IL
dB
1.4
58
52
50
45
30
26
71
60
46
36
27
23
Isolation
RF1 / RF2 to RF_COM
(State 2 or 3)
52
ISO1
ISO2
RL1
dB
dB
dB
53
33
29
74
62
Isolation
RF1 to RF2
(State 2 or 3)
47
38
31
27
27
24
20
Return Loss RF_COM
(State 1)
12
11
9
Note 1:
Note 2:
Note 3:
Items in min/max columns in bold italics are Guaranteed by Test.
Items in min/max columns that are not bold/italics are Guaranteed by Design Characterization.
The input 1 dB compression point is a linearity figure of merit. Refer to Absolute Maximum Ratings section for the maximum RF input
power.
Note 4:
Spurious due to on-chip negative voltage generator. Typical generator fundamental frequency is 2.2 MHz.
High Reliability SP2T RF Switch
4
F2912, Rev 3, 04/01/2016
F2912 SPECIFICATION (CONT.)
Typical Application Circuit, VCC = +3.3 V, TC = +25 °C, FRF = 1 GHz, 2 GHz, and or 4 GHz as noted below. Input
power = 0 dBm or +13 dBm/tone unless otherwise stated. PCB board trace and connector losses are de-embedded
unless otherwise noted.
Parameter
Symbol
Conditions
RF = 1.0 GHz
Min
Typ
25
Max Units
RF = 2.0 GHz
RF = 4.0 GHz
RF = 6.0 GHz
RF = 8.1 GHz
RF = 9.0 GHz
RF = 1.0 GHz
RF = 2.0 GHz
RF = 4.0 GHz
RF = 6.0 GHz
RF = 8.1 GHz
RF = 9.0 GHz
RF = 1.0 GHz
RF = 2.0 GHz
RF = 4.0 GHz
RF = 6.0 GHz
RF = 8.1 GHz
RF = 9.0 GHz
RF = 1.0 GHz
RF = 2.0 GHz
RF = 3.0 GHz
RF = 1.0 GHz
RF = 2.0 GHz
RF = 3.0 GHz
23
26
Return Loss RF_COM
(State 2 or 3)
RL2
dB
18
20
15
27
27
Return Loss
RF1, RF2
(State 1)
20
RL3
dB
18
14
10
26
25
Return Loss
RF1, RF2
(State 2 or 3)
21
17
RL4
dB
14
10
102
110
110
66
Input IP2
RF1 / RF2
(State 2 or 3)
IIP2
dBm
Input IP3
RF1 / RF2
(State 2 or 3)
IIP3
64
dBm
dBm
64
Input 1dB compression
RF1 / RF2
IP1dB
FRF = 2.0 GHz
29
30
(State 2 or 3) 3
RF = 1.0 GHz
50% control to 90% RF
1.1
Switching Time
TSW
µs
RF = 1 GHz
50% control to 10% RF
0.5
25
Maximum Switching Frequency
SWFREQ
VIDFT
kHz
5 MHz to 1 GHz
Measured with 2.5 ns risetime,
0 to 3.3 V control pulse
Maximum video feed-through
RF_COM port
5
mVpp
Maximum spurious level on
any RF port4
SpurMAX
RF ports terminated into 50 Ω
-145
dBm
Note 1:
Note 2:
Note 3:
Items in min/max columns in bold italics are Guaranteed by Test.
Items in min/max columns that are not bold/italics are Guaranteed by Design Characterization.
The input 1 dB compression point is a linearity figure of merit. Refer to Absolute Maximum Ratings section for the maximum RF input
power.
Note 4:
Spurious due to on-chip negative voltage generator. Typical generator fundamental frequency is 2.2 MHz.
F2912, Rev 3, 04/01/2016
5
High Reliability SP2T RF Switch
CONTROL MODES
The F2912 switch states are designed to be controlled by using either a 2 pin logic control (see Table 1) or a 1 pin
logic control (see Table 2). Table 3 describes the settings to enable one or two pin control. The F2912 also has the
ability to be controlled by 3 V or 1.8 V control logic based on the setting of Pin 18 (See Table 4). See Pin Compatibility
in the Applications Information section for more details.
Table 1 - Switch Control Truth Table for 2 pin logic control (ModeCTL = GND)
Control pin input
CTL1 CTL2
(Pin 17) (Pin 16)
RF1, RF2 Input / Output
State
RF1 to RF Com RF2 to RF Com
1
2
3
4
Low
Low
High
High
Low
High
Low
High
OFF
OFF
ON
OFF
ON
OFF
N/A
N/A
Table 2 – Switch Control Truth Table for 1 pin logic control (ModeCTL = VCC)
Control Pin Input
RF1, RF2 Input / Output
State
CTL1
(Pin 17) (Pin 16)
CTL2
RF1 to RF Com RF2 to RF Com
2
3
Don't Care
Don't Care
High
Low
OFF
ON
ON
OFF
Table 3 – Mode Control Truth Table to set for 1 or 2 pin logic control
ModeCTL (Pin 19)
Pin Control Mode
2-pin control: CTL1 and CTL2
1-pin control: CTL2
GND
VCC
Notes:
1. When RF1 and RF2 ports are both open (State 1), all 3 RF ports are terminated to an internal 50 Ω
termination resistor.
2. When RF1 or RF2 port is open (State 2 or State 3 OFF condition), the open port is connected to an
internal 50 Ω termination resistor.
3. When RF1 or RF2 port is closed (State 2 or State 3 ON condition), the closed port is connected to the
RF Com port.
Table 4 - Logic Control (pin 18) Truth Table
LogicCTL (Pin 18)
Logic Voltage
VCC
1.8 V
GND
3.3 V
High Reliability SP2T RF Switch
6
F2912, Rev 3, 04/01/2016
TYPICAL OPERATING CONDITIONS (TOC)
Unless otherwise noted for the TOC graphs on the following pages, the following conditions apply.
1. EVKit connector and trace losses de-embedded
2. Vcc = 3.3 V
3. TAMB = 25 °C
4. Small signal parameters measured with PIN = 0 dBm.
5. Two tone tests PIN =+13 dBm/tone with 50 MHz tone spacing for FRF > 500 MHz.
6. ZS= ZL = 50 Ω
F2912, Rev 3, 04/01/2016
7
High Reliability SP2T RF Switch
TYPICAL OPERATING CONDITIONS (- 1 -)
Insertion Loss vs. Temperature
Insertion Loss vs. Temperature
0.0
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
0.0
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
-55 C / +3.3 V / RFC -> RF1
-40 C / +3.3 V / RFC -> RF1
+25 C / +3.3 V / RFC -> RF1
+125 C / +3.3 V / RFC -> RF1
-55 C / +3.3 V / RFC -> RF2
-40 C / +3.3 V / RFC -> RF2
+25 C / +3.3 V / RFC -> RF2
+125 C / +3.3 V / RFC -> RF2
-55 C / +3.3 V / RFC -> RF1
-40 C / +3.3 V / RFC -> RF1
+25 C / +3.3 V / RFC -> RF1
+125 C / +3.3 V / RFC -> RF1
-55 C / +3.3 V / RFC -> RF2
-40 C / +3.3 V / RFC -> RF2
+25 C / +3.3 V / RFC -> RF2
+125 C / +3.3 V / RFC -> RF2
-3.5
-3.5
-4.0
-4.0
1.E+4
1.E+5
1.E+6
1.E+7
1.E+8
1.E+9
1.E+9
1.E+9
0
1
2
3
4
5
6
7
8
9
10
10
10
11
11
11
Frequency (GHz)
Frequency (Hz)
Insertion Loss vs. Voltage
Insertion Loss vs. Voltage
0.0
-0.5
-1.0
-1.5
-2.0
-2.5
0.0
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
-3.0
+25 C / +2.7 V / RFC -> RF1
+25 C / +3.0 V / RFC -> RF1
+25 C / +3.3 V / RFC -> RF1
+25 C / +3.6 V / RFC -> RF1
+25 C / +2.7 V / RFC -> RF2
+25 C / +3.0 V / RFC -> RF2
+25 C / +3.3 V / RFC -> RF2
+25 C / +3.6 V / RFC -> RF2
+25 C / +2.7 V / RFC -> RF1
+25 C / +3.0 V / RFC -> RF1
+25 C / +3.3 V / RFC -> RF1
+25 C / +3.6 V / RFC -> RF1
+25 C / +2.7 V / RFC -> RF2
+25 C / +3.0 V / RFC -> RF2
+25 C / +3.3 V / RFC -> RF2
+25 C / +3.6 V / RFC -> RF2
-3.5
-3.5
-4.0
-4.0
1.E+4
1.E+5
1.E+6
1.E+7
1.E+8
0
1
2
3
4
5
6
7
8
9
Frequency (GHz)
Frequency (Hz)
Isolation vs. Temperature [RFC RF1 / RF2]
Isolation vs. Temperature [RFC RF1 / RF2]
0
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-55 C / +3.3 V / RF2 Sel
-40 C / +3.3 V / RF2 Sel
+25 C / +3.3 V / RF2 Sel
+125 C / +3.3 V / RF2 Sel
-55 C / +3.3 V / RF1 Sel
-40 C / +3.3 V / RF1 Sel
+25 C / +3.3 V / RF1 Sel
+125 C / +3.3 V / RF1 Sel
-10
-20
-30
-40
-50
-60
-70
-80
-90
-55 C / +3.3 V / RF2 Sel
-40 C / +3.3 V / RF2 Sel
+25 C / +3.3 V / RF2 Sel
+125 C / +3.3 V / RF2 Sel
-55 C / +3.3 V / RF1 Sel
-40 C / +3.3 V / RF1 Sel
+25 C / +3.3 V / RF1 Sel
+125 C / +3.3 V / RF1 Sel
-100
-110
-120
-100
-110
-120
1.E+4
1.E+5
1.E+6
1.E+7
1.E+8
0
1
2
3
4
5
6
7
8
9
Frequency (Hz)
Frequency (GHz)
High Reliability SP2T RF Switch
8
F2912, Rev 3, 04/01/2016
TYPICAL OPERATING CONDITIONS (- 2 -)
Isolation vs. Voltage [RFC RF1 / RF2]
Isolation vs. Voltage [RFC RF1 / RF2]
0
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
+25 C / +2.7 V / RF2 Sel
+25 C / +3.0 V / RF2 Sel
+25 C / +3.3 V / RF2 Sel
+25 C / +3.6 V / RF2 Sel
+25 C / +2.7 V / RF1 Sel
+25 C / +3.0 V / RF1 Sel
+25 C / +3.3 V / RF1 Sel
+25 C / +3.6 V / RF1 Sel
-10
-20
-30
-40
-50
-60
-70
-80
-90
+25 C / +2.7 V / RF2 Sel
+25 C / +3.0 V / RF2 Sel
+25 C / +3.3 V / RF2 Sel
+25 C / +3.6 V / RF2 Sel
+25 C / +2.7 V / RF1 Sel
-100
-110
-120
-100
-110
-120
+25 C / +3.0 V / RF1 Sel
+25 C / +3.3 V / RF1 Sel
+25 C / +3.6 V / RF1 Sel
1.E+4
1.E+5
1.E+6
1.E+7
1.E+8
1.E+9
1.E+9
1.E+9
0
1
2
3
4
5
6
7
8
9
10
10
10
11
11
11
Frequency (Hz)
Frequency (GHz)
Isolation vs. Temperature [RF1 RF2]
Isolation vs. Temperature [RF1 RF2]
0
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-55 C / +3.3 V / RF1 Sel
-40 C / +3.3 V / RF1 Sel
+25 C / +3.3 V / RF1 Sel
+125 C / +3.3 V / RF1 Sel
-55 C / +3.3 V / RF2 Sel
-40 C / +3.3 V / RF2 Sel
+25 C / +3.3 V / RF2 Sel
+125 C / +3.3 V / RF2 Sel
-10
-20
-30
-40
-50
-60
-70
-80
-90
+25 C / +2.7 V / RF1 Sel
+25 C / +3.0 V / RF1 Sel
+25 C / +3.3 V / RF1 Sel
+25 C / +3.6 V / RF1 Sel
+25 C / +2.7 V / RF2 Sel
+25 C / +3.0 V / RF2 Sel
+25 C / +3.3 V / RF2 Sel
+25 C / +3.6 V / RF2 Sel
-100
-110
-120
-100
-110
-120
1.E+4
1.E+5
1.E+6
1.E+7
1.E+8
0
1
2
3
4
5
6
7
8
9
Frequency (Hz)
Frequency (GHz)
Isolation vs. Voltage [RF1 RF2]
Isolation vs. Voltage [RF1 RF2]
0
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
+25 C / +2.7 V / RF1 Sel
+25 C / +2.7 V / RF2 Sel
+25 C / +3.0 V / RF2 Sel
+25 C / +3.3 V / RF2 Sel
+25 C / +3.6 V / RF2 Sel
-10
-20
+25 C / +3.0 V / RF1 Sel
+25 C / +3.3 V / RF1 Sel
+25 C / +3.6 V / RF1 Sel
-30
-40
-50
-60
-70
-80
-90
-55 C / +3.3 V / RF1 Sel
-40 C / +3.3 V / RF1 Sel
+25 C / +3.3 V / RF1 Sel
+125 C / +3.3 V / RF1 Sel
-55 C / +3.3 V / RF2 Sel
-40 C / +3.3 V / RF2 Sel
+25 C / +3.3 V / RF2 Sel
+125 C / +3.3 V / RF2 Sel
-100
-110
-120
-100
-110
-120
1.E+4
1.E+5
1.E+6
1.E+7
1.E+8
0
1
2
3
4
5
6
7
8
9
Frequency (Hz)
Frequency (GHz)
F2912, Rev 3, 04/01/2016
9
High Reliability SP2T RF Switch
TYPICAL OPERATING CONDITIONS (- 3 -)
RF1 Return Loss vs. Temperature
RF1 Return Loss vs. Temperature
0
0
-55 C / +3.3 V / RF1 Sel
-40 C / +3.3 V / RF1 Sel
+25 C / +3.3 V / RF1 Sel
+125 C / +3.3 V / RF1 Sel
-55 C / +3.3 V / RF2 Sel
-40 C / +3.3 V / RF2 Sel
+25 C / +3.3 V / RF2 Sel
+125 C / +3.3 V / RF2 Sel
-55 C / +3.3 V / RF1 Sel
-40 C / +3.3 V / RF1 Sel
+25 C / +3.3 V / RF1 Sel
+125 C / +3.3 V / RF1 Sel
-55 C / +3.3 V / RF2 Sel
-40 C / +3.3 V / RF2 Sel
+25 C / +3.3 V / RF2 Sel
+125 C / +3.3 V / RF2 Sel
-5
-10
-15
-20
-25
-30
-35
-40
-5
-10
-15
-20
-25
-30
-35
-40
1.E+4
1.E+5
1.E+6
1.E+7
1.E+8
1.E+9
1.E+9
1.E+9
0
1
2
3
4
5
6
7
8
9
10
10
10
11
11
11
Frequency (Hz)
Frequency (GHz)
RF1 Return Loss vs. Voltage
RF1 Return Loss vs. Voltage
0
0
+25 C / +2.7 V / RF1 Sel
+25 C / +3.0 V / RF1 Sel
+25 C / +3.3 V / RF1 Sel
+25 C / +3.6 V / RF1 Sel
+25 C / +2.7 V / RF2 Sel
+25 C / +3.0 V / RF2 Sel
+25 C / +3.3 V / RF2 Sel
+25 C / +3.6 V / RF2 Sel
+25 C / +2.7 V / RF1 Sel
+25 C / +3.0 V / RF1 Sel
+25 C / +3.3 V / RF1 Sel
+25 C / +3.6 V / RF1 Sel
+25 C / +2.7 V / RF2 Sel
+25 C / +3.0 V / RF2 Sel
+25 C / +3.3 V / RF2 Sel
+25 C / +3.6 V / RF2 Sel
-5
-10
-15
-20
-25
-30
-35
-40
-5
-10
-15
-20
-25
-30
-35
-40
1.E+4
1.E+5
1.E+6
1.E+7
1.E+8
0
1
2
3
4
5
6
7
8
9
Frequency (Hz)
Frequency (GHz)
RF2 Return Loss vs. Temperature
RF2 Return Loss vs. Temperature
0
0
-55 C / +3.3 V / RF1 Sel
-40 C / +3.3 V / RF1 Sel
+25 C / +3.3 V / RF1 Sel
+125 C / +3.3 V / RF1 Sel
-55 C / +3.3 V / RF2 Sel
-40 C / +3.3 V / RF2 Sel
+25 C / +3.3 V / RF2 Sel
+125 C / +3.3 V / RF2 Sel
-55 C / +3.3 V / RF1 Sel
-40 C / +3.3 V / RF1 Sel
+25 C / +3.3 V / RF1 Sel
+125 C / +3.3 V / RF1 Sel
-55 C / +3.3 V / RF2 Sel
-40 C / +3.3 V / RF2 Sel
+25 C / +3.3 V / RF2 Sel
+125 C / +3.3 V / RF2 Sel
-5
-10
-15
-20
-25
-30
-35
-40
-5
-10
-15
-20
-25
-30
-35
-40
1.E+4
1.E+5
1.E+6
1.E+7
1.E+8
0
1
2
3
4
5
6
7
8
9
Frequency (Hz)
Frequency (GHz)
High Reliability SP2T RF Switch
10
F2912, Rev 3, 04/01/2016
TYPICAL OPERATING CONDITIONS (- 4 -)
RF2 Return Loss vs. Voltage
RF2 Return Loss vs. Voltage
0
0
+25 C / +2.7 V / RF1 Sel
+25 C / +3.0 V / RF1 Sel
+25 C / +3.3 V / RF1 Sel
+25 C / +3.6 V / RF1 Sel
+25 C / +2.7 V / RF2 Sel
+25 C / +3.0 V / RF2 Sel
+25 C / +3.3 V / RF2 Sel
+25 C / +3.6 V / RF2 Sel
+25 C / +2.7 V / RF1 Sel
+25 C / +3.0 V / RF1 Sel
+25 C / +3.3 V / RF1 Sel
+25 C / +3.6 V / RF1 Sel
+25 C / +2.7 V / RF2 Sel
+25 C / +3.0 V / RF2 Sel
+25 C / +3.3 V / RF2 Sel
+25 C / +3.6 V / RF2 Sel
-5
-10
-15
-20
-25
-30
-35
-40
-5
-10
-15
-20
-25
-30
-35
-40
1.E+4
1.E+5
1.E+6
1.E+7
1.E+8
1.E+9
1.E+9
1.E+9
0
1
2
3
4
5
6
7
8
9
10
10
10
11
11
11
Frequency (Hz)
Frequency (GHz)
RFC Return Loss vs. Temperature
RFC Return Loss vs. Temperature
0
0
-55 C / +3.3 V / RF1 Sel
-40 C / +3.3 V / RF1 Sel
+25 C / +3.3 V / RF1 Sel
+125 C / +3.3 V / RF1 Sel
-55 C / +3.3 V / RF2 Sel
-40 C / +3.3 V / RF2 Sel
+25 C / +3.3 V / RF2 Sel
+125 C / +3.3 V / RF2 Sel
-55 C / +3.3 V / RF1 Sel
-40 C / +3.3 V / RF1 Sel
+25 C / +3.3 V / RF1 Sel
+125 C / +3.3 V / RF1 Sel
-55 C / +3.3 V / RF2 Sel
-40 C / +3.3 V / RF2 Sel
+25 C / +3.3 V / RF2 Sel
+125 C / +3.3 V / RF2 Sel
-5
-10
-15
-20
-25
-30
-35
-40
-5
-10
-15
-20
-25
-30
-35
-40
1.E+4
1.E+5
1.E+6
1.E+7
1.E+8
0
1
2
3
4
5
6
7
8
9
Frequency (Hz)
Frequency (GHz)
RFC Return Loss vs. Voltage
RFC Return Loss vs. Voltage
0
0
+25 C / +2.7 V / RF1 Sel
+25 C / +3.0 V / RF1 Sel
+25 C / +3.3 V / RF1 Sel
+25 C / +3.6 V / RF1 Sel
+25 C / +2.7 V / RF2 Sel
+25 C / +3.0 V / RF2 Sel
+25 C / +3.3 V / RF2 Sel
+25 C / +3.6 V / RF2 Sel
+25 C / +2.7 V / RF1 Sel
+25 C / +3.0 V / RF1 Sel
+25 C / +3.3 V / RF1 Sel
+25 C / +3.6 V / RF1 Sel
+25 C / +2.7 V / RF2 Sel
+25 C / +3.0 V / RF2 Sel
+25 C / +3.3 V / RF2 Sel
+25 C / +3.6 V / RF2 Sel
-5
-10
-15
-20
-25
-30
-35
-40
-5
-10
-15
-20
-25
-30
-35
-40
1.E+4
1.E+5
1.E+6
1.E+7
1.E+8
0
1
2
3
4
5
6
7
8
9
Frequency (Hz)
Frequency (GHz)
F2912, Rev 3, 04/01/2016
11
High Reliability SP2T RF Switch
TYPICAL OPERATING CONDITIONS (- 5 -)
Input Power Compression vs. Temperature
Input Power Compression vs. Temperature
35
35
30
25
20
30
25
20
-55 C / +3.3 V / RF1 Sel
-40 C / +3.3 V / RF1 Sel
+25 C / +3.3 V / RF1 Sel
+125 C / +3.3 V / RF1 Sel
-55 C / +3.3 V / RF2 Sel
-55 C / +3.3 V / RF1 Sel
-40 C / +3.3 V / RF1 Sel
+25 C / +3.3 V / RF1 Sel
+125 C / +3.3 V / RF1 Sel
-55 C / +3.3 V / RF2 Sel
15
10
15
10
-40 C / +3.3 V / RF2 Sel
+25 C / +3.3 V / RF2 Sel
+125 C / +3.3 V / RF2 Sel
-40 C / +3.3 V / RF2 Sel
+25 C / +3.3 V / RF2 Sel
+125 C / +3.3 V / RF2 Sel
1.E+4
1.E+5
1.E+6
Frequency (Hz)
1.E+7
1.E+8
1.E+9
0
1
2
3
4
5
6
7
8
9
9
9
Frequency (GHz)
Input Power Compression vs. Voltage
Input Power Compression vs. Voltage
35
35
30
25
20
30
25
20
+25 C / +2.7 V / RF1 Sel
15
+25 C / +2.7 V / RF2 Sel
+25 C / +3.0 V / RF2 Sel
+25 C / +3.3 V / RF2 Sel
+25 C / +3.6 V / RF2 Sel
+25 C / +2.7 V / RF1 Sel
15
+25 C / +2.7 V / RF2 Sel
+25 C / +3.0 V / RF2 Sel
+25 C / +3.3 V / RF2 Sel
+25 C / +3.6 V / RF2 Sel
+25 C / +3.0 V / RF1 Sel
+25 C / +3.3 V / RF1 Sel
+25 C / +3.6 V / RF1 Sel
+25 C / +3.0 V / RF1 Sel
+25 C / +3.3 V / RF1 Sel
+25 C / +3.6 V / RF1 Sel
10
1.E+4
10
1.E+5
1.E+6
Frequency (Hz)
1.E+7
1.E+8
1.E+9
0
1
2
3
4
5
6
7
8
Frequency (GHz)
Input IP3
Input IP3
80
75
70
65
60
55
50
45
40
35
80
75
70
65
60
55
50
45
40
35
+25 C / +3.3 V
+25 C / +3.3 V
30
1.E+5
30
0
1.E+6
1.E+7
1.E+8
1.E+9
1
2
3
4
5
6
7
8
Frequency (Hz)
Frequency (GHz)
High Reliability SP2T RF Switch
12
F2912, Rev 3, 04/01/2016
TYPICAL OPERATING CONDITIONS (- 6 -)
Input IP3 [ 2 GHz]
Input IP3 [ 3 GHz]
80
75
70
65
60
55
50
45
80
75
70
65
60
55
50
45
-55 C / RF1
+25 C / RF1
+125 C / RF1
-55 C / RF2
+25 C / RF2
+125 C / RF2
-55 C / RF1
+25 C / RF1
+125 C / RF1
-55 C / RF2
+25 C / RF2
+125 C / RF2
40
35
30
40
35
30
2.7
2.8
2.9
3.0
3.1
3.2
3.3
3.4
3.5
3.6
2.7
2.8
2.9
3.0
3.1
3.2
3.3
3.4
3.5
3.6
Voltage (V)
Voltage (V)
Input IP3 [ 4 GHz]
Input IP3 [ 6 GHz]
80
75
70
65
60
55
50
45
80
75
70
65
60
55
50
45
-55 C / RF1
+25 C / RF1
+125 C / RF1
-55 C / RF2
+25 C / RF2
+125 C / RF2
-55 C / RF1
+25 C / RF1
+125 C / RF1
-55 C / RF2
+25 C / RF2
+125 C / RF2
40
35
30
40
35
30
2.7
2.8
2.9
3.0
3.1
3.2
3.3
3.4
3.5
3.6
2.7
2.8
2.9
3.0
3.1
3.2
3.3
3.4
3.5
3.6
Voltage (V)
Voltage (V)
Switching Time [TAMB = 25C, 3.3V]
Switching Time [TAMB = -40C, 3.3V]
1050 nSec
1050 nSec
CTL2
CTL2
RF1
RF2
RF2
RF1
F2912, Rev 3, 04/01/2016
13
High Reliability SP2T RF Switch
TYPICAL OPERATING CONDITIONS HISTOGRAMS [N=4800, TCASE= 25C] (-4-)
Insertion Loss [RF = 1 GHz]
Insertion Loss [RF = 2 GHz]
25%
25%
RFC --> RF1
RFC --> RF2
RFC --> RF1
RFC --> RF2
20%
15%
10%
5%
20%
15%
10%
5%
0%
0%
Insertion Loss [1 GHz] Bin (dB)
Insertion Loss [2 GHz] Bin (dB)
Insertion Loss [RF = 4 GHz]
Isolation [RF = 1 GHz]
25%
40%
RFC --> RF1
RFC --> RF2
RFC --> RF1
35%
RFC --> RF2
20%
15%
10%
5%
30%
25%
20%
15%
10%
5%
0%
0%
Insertion Loss [4 GHz] Bin (dB)
RFC to RFx Isolation [1 GHz] Bin (dB)
Isolation [RF = 2 GHz]
25%
RFC --> RF1
RFC --> RF2
20%
15%
10%
5%
0%
RFC to RFx Isolation [2 GHz] Bin (dB)
High Reliability SP2T RF Switch
14
F2912, Rev 3, 04/01/2016
PACKAGE DRAWING
(4 mm x 4 mm 20-pin TQFN), NCG20
LAND PATTERN DIMENSION
F2912, Rev 3, 04/01/2016
15
High Reliability SP2T RF Switch
PIN DIAGRAM
20
19
18
17
16
Control
Circuit
1
2
3
15
14
13
GND
GND
GND
RF2
GND
RF1
50Ω
50Ω
50Ω
4
5
12
11
GND
GND
GND
GND
E.P.
6
7
8
9
10
PIN DESCRIPTION
PIN
NAME
FUNCTION
1, 2, 4, 5, 6,
7, 9, 10, 11,
12, 14, 15
GND
Ground these pins as close to the device as possible.
RF1 Port. Matched to 50 . If this pin is not 0 V DC, then an
external coupling capacitor must be used.
RF Common Port. Matched to 50 . If this pin is not 0 V DC,
then an external coupling capacitor must be used.
RF2 Port. Matched to 50 . If this pin is not 0 V DC, then an
external coupling capacitor must be used.
3
8
RF1
RF_COM
RF2
13
16
Control 2 – See Table 1 and Table 2 Switch Control Truth Tables
for proper logic setting.
CTL2
Control 1 – See Table 1 and Table 2 Switch Control Truth Tables
for proper logic setting.
17
CTL1
Logic Control – See Table 4 Logic Control Truth Table. Apply VCC
to select 1.8 V logic control or GND for 3.3 V logic control.
Mode Control – See Table 3 Mode Control Truth Table. Apply
VCC to select 1-pin control or GND for 2-pin control.
Power Supply. Bypass to GND with capacitors shown in the
Typical Application Circuit as close as possible to pin.
Exposed Pad. Internally connected to GND. Solder this exposed
pad to a PCB pad that uses multiple ground vias to provide heat
transfer out of the device into the PCB ground planes. These
multiple via grounds are also required to achieve the specified
RF performance.
18
19
20
LogicCTL
ModeCTL
VCC
21
— EP
High Reliability SP2T RF Switch
16
F2912, Rev 3, 04/01/2016
EVKIT PICTURE (TOP)
GND
VCC
RF1
RF2
RF_COM
F2912, Rev 3, 04/01/2016
17
High Reliability SP2T RF Switch
EVKIT PICTURE (BOTTOM)
RF2
RF1
RF_COM
High Reliability SP2T RF Switch
18
F2912, Rev 3, 04/01/2016
EVKIT / APPLICATIONS CIRCUIT
F2912, Rev 3, 04/01/2016
19
High Reliability SP2T RF Switch
EVKIT BOM
Part Reference
QTY
1
DESCRIPTION
Mfr. Part #
GRM1885C1H102J
GRM155R71C104K
GRM1555C1H101J
ERJ-2RKF1000X
ERJ-2RKF1502X
ERJ-2RKF1802X
ERJ-2RKF1003X
142-0701-851
Mfr.
Murata
C1
C2
1000 pF ±5%, 50V, C0G Ceramic Capacitor (0603)
0.1 µF ±10%, 16V, X7R Ceramic Capacitor (0402)
100 pF ±5%, 50V, C0G Ceramic Capacitor (0402)
100 ohm ±1%, 1/10W, Resistor (0402)
15 kohm ±1%, 1/10W, Resistor (0402)
18 kohm ±1%, 1/10W, Resistor (0402)
100 kohm ±1%, 1/10W, Resistor (0402)
SMA Edge Launch (0.375 inch pitch ground tabs)
CONN HEADER VERT 7x2 POS GOLD
1
Murata
C3 – C6
R1 – R4
R5
4
Murata
4
Panasonic
Panasonic
Panasonic
Panasonic
Emerson Johnson
3M
1
R6
1
R7 – R10
J1 – J5
J7
4
5
1
N2514-6002-RB
F2912NCGI
U1
1
SP2T Switch 4 mm x 4 mm QFN20-EP
Printed Circuit Board
IDT
1
F2912 EVKIT REV 4.1
IDT
TOP MARKINGS
Part Number
IDTF29
12NCGI
ZC412AKG
Assembler
Code
Lot Code
Date Code [YWW]
(Week 12 of 2014)
ASM Test
Step
High Reliability SP2T RF Switch
20
F2912, Rev 3, 04/01/2016
APPLICATIONS INFORMATION
Default Start-up
Control pins include no internal pull-down resistors to logic LOW or pull-up resistors to logic HIGH. Upon
start-up, all control pins should be set to logic LOW (0) thereby enabling 2 pin switch control, opening both
RF1 and RF2 paths, and setting logic control voltage to 3.3 V (see above tables for LOW logic states).
Power Supplies
A common VCC power supply should be used for all pins requiring DC power. All supply pins should be
bypassed with external capacitors to minimize noise and fast transients. Supply noise can degrade noise figure
and fast transients can trigger ESD clamps and cause them to fail. Supply voltage change or transients should
have a slew rate smaller than 1 V / 20 uS. In addition, all control pins should remain at 0 V (+/-0.3 V) while
the supply voltage ramps or while it returns to zero.
Control Pin Interface
If control signal integrity is a concern and clean signals cannot be guaranteed due to overshoot, undershoot,
ringing, etc., the following circuit at the input of each control pin is recommended. This applies to control pins
16, 17, 18, and 19 as shown below.
5Kohm
2pf
5Kohm
2pf
LogicCTL
CTL1
5Kohm
5Kohm
ModeCTL
CTL2
2pf
2pf
20
19
18
17
16
Control
Circuit
15
14
13
1
2
3
50Ω
50Ω
50Ω
4
5
12
11
6
7
8
9
10
Pin Compatibility
The F2912 switch is compatible with other supplier parts which only support two wire control and 3 volt logic.
Other suppliers’ parts with limited functionality have pins 18 and 19 grounded. Grounding pins 18 and 19 on
the F2912 will make it fully compatible with the other products.
Per Table 3 when pin 19 is grounded, the F2912 is set for 2-wire control.
Per Table 4 when pin 18 is grounded, the F2912 is set for 3.3 volt control logic. JEDEC 3.3 volt logic
(JESD8C.01) allows logic high to be as low as 2.7 volts which the F2912 supports.
Contact your IDT representative for more information about compatibility with other suppliers’ products.
F2912, Rev 3, 04/01/2016
21
High Reliability SP2T RF Switch
EVKIT OPERATION
The F2912 EVkit has a number of control features available. Please refer to the EVkit Application Circuit and
EVkit Picture for connections to this part. All bias and logic controls are done using J7 as an interface.
See Table 5 for the function of each pin on J7.
Table 5: EVkit J7 Interface Table
J7 PIN PIN NAME
CONNECTIONS
Pin to supply VCC from an external power supply.
Pin to supply GND from an external power supply.
1
VCC
2
GND
Leave this pin open to select 1-pin control. A pull up resistor on the EVkit
provides a logic high. If 2-pin control is desired, ground this pin by using a
two pin shunt between this pin and pin 4 (GND). See Tables 1, 2, and 3 for
1-pin and 2-pin control logic.
3
ModeCTL
4
5
6
GND
LogicCTL
GND
Pin available to shunt to pin 3 to provide a logic low.
If using 1.8 V logic for CTL1 and CTL2, leave this pin open. A pullup resistor
on the kit provides a logic high. If 3.3 V logic is used then ground this pin
by using a two pin shunt between this pin and pin 6 (GND).
Pin available to shunt to pin 5 to provide a logic low.
Used to control the switch state when using the 2-pin control method.
Leave this pin open to allow the EVkit pullup resistor to provide a logic high.
Connect to pin 8 (GND) with a two pin shunt if a logic low is desired. Actual
logic levels applied to this pin depend on the setting of LogicCTL pin. This
device can be damage if the incorrect logic level is applied to this pin.
7
8
CTL1
GND
Pin available to shunt to pin 7 to provide a logic low.
Used to control the switch state when using the 1-pin or 2-pin control
method. Leave this pin open to allow the EVkit pullup resistor to provide a
logic high. Connect to pin 10 (GND) with a two pin shunt if a logic low is
desired. Actual logic levels applied to this pin depend on the setting of
LogicCTL pin. This device can be damage if the incorrect logic level is
applied to this pin.
9
CTL2
10
11
12
13
GND
1.8VSEL
VCC
Pin available to shunt to pin 9 to provide a logic low.
If using 3.3 V CTL1 and CTL2 logic, connect this pin to pin 12 (VCC) using a
two pin shunt. If using 1.8 V logic then leave this pin open.*
Internally connected on PCB to VCC on pin 1.
If using 1.8 V CTL1 and CTL2 logic, connect this pin to pin 14 (1.8VSEL2)
using a two pin shunt. If using 3.3 V logic then leave this pin open.*
1.8VSEL
If using 1.8 V CTL1 and CTL2 logic, connect this pin to pin 13 (1.8VSEL)
using a two pin shunt. If using 3.3 V logic then leave this pin open.*
14
1.8VSEL2
* Never configure the kit to have two pin shunts for both Pin 11 to Pin 12 and Pin 13 to Pin 14.
High Reliability SP2T RF Switch
22
F2912, Rev 3, 04/01/2016
REVISION HISTORY SHEET
Rev
0
1
Date
2014-Aug-19
2014-Oct-21
Page
Description of Change
Initial Release
17, 18, 20 Update EVKIT Photo and BOM
Updated to new datasheet format throughout document. Added
recommended PCB land pattern information. Added pin compatible
information.
2, 6, 12,
18
2
3
2015-Sept-4
2016-Apr-01
Added data for low frequency operation (9 kHz).
Added data for higher frequency operation (9 GHz).
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