NJRC NJG1655SCC

NJG1655SCC
X-SP3T SWITCH GaAs MMIC
! GENERAL DESCRIPTION
The NJG1655SCC is a GaAs X (Cross)-SP3T switch MMIC which is
designed for switching of balanced triple-band filters.
This switch features very low phase error between on state paths,
low insertion loss and low control voltage.
This switch integrates a logic decoder function and high ESD
protection circuits.
The small PCSP20-CC package is adopted.
! FEATURES
" Low voltage operation
" Low voltage Logic control
" Low insertion loss
! PACKAGE OUTLINE
NJG1655SCC
VDD=+1.5~+4.5V
VCTL(H)=+1.3V min,
0.4dB typ. @f=1.0GHz, PIN=0dBm, VDD=2.7V
0.5dB typ. @f=2.0GHz, PIN=0dBm, VDD=2.7V
20μA typ. @ VDD=2.7V
5μA typ. @ VCTL(H)=1.8V
PCSP20-CC (Package size: 2.7x2.7x0.8mm)
" Operating current consumption
" Control current consumption
" Small package
! PIN CONFIGURATION
(Top View)
20
19
1
18
17
15
DECODER
2
14
3
13
4
12
5
11
6
7
8
9
! TRUTH TABLE
Pin connection
1. GND
11. GND
2. P2A
12. PCB
3. GND
13. PCA
4. P2B
14. GND
5. GND
15. VDD
6. P1B
16. GND
7. P1A
17. CTL2
8. GND
18. CTL1
9. GND
19. P3B
10. GND
20. P3A
16
10
“H”=VCTL(H), “L”=VCTL(L)
ON PATH
PCA-P1A
PCB-P1B
PCA-P2A
PCB-P2B
PCA-P3A
PCB-P3B
CTL1
CTL2
H
L
L
L
L
H
X (Cross) -SP３T Switch : Switch that output port of two SP3T switches crosses internally.
NOTE: The information on this datasheet is subject to change without notice.
Ver.2008-10-15
-1-
NJG1655SCC
! ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
(Ta=+25°C, Zs=Zl=50Ω)
RATINGS
UNITS
CONDITIONS
RF Input Power
PIN
VDD =2.7V, VCTL=0V/1.8V
28
dBm
Supply Voltage
VDD
VDD terminal
5.0
V
Control Voltage
VCTL
CTL terminal
5.0
V
Power Dissipation
PD
500
mW
Operating Temp.
Topr
-40~+85
°C
Storage Temp.
Tstg
-55~+150
°C
! ELECTRICAL CHARACTERISTICS
(General conditions: Ta=+25°C, Zs=Zl=50Ω, VDD=2.7V, VCTL(L)=0V, VCTL(H)=1.8V, with application circuit)
PARAMETERS
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Supply Voltage
VDD
1.5
2.7
4.5
V
Operating Current
IDD
-
20
40
μA
Control Voltage (LOW)
VCTL(L)
0
-
0.4
V
Control Voltage (HIGH)
VCTL(H)
1.3
1.8
4.5
V
Control Current
ICTL
-
5
10
μA
Insertion Loss 1
LOSS1
f=1.0GHz, PIN=0dBm
-
0.4
0.55
dB
Insertion Loss 2
LOSS2
f=2.0GHz, PIN=0dBm
-
0.5
0.7
dB
24
26
-
dB
18
20
-
dB
15
17
-
dB
Isolation 1
ISL1
Isolation 2
ISL2
Isolation 3
ISL3
Phase Error
f=1.0GHz, PIN=0dBm
PCA-P1A,P2A,P3A,
PCB-P1B,P2B,P3B
f=2.0GHz, PIN=0dBm
PCA-P1A,P2A,P3A,
PCB-P1B,P2B,P3B
f=2.0GHz, PIN=0dBm
PCA-PCB
PE
f=2GHz
-3
-
3
deg
Input Power at 0.2dB
Compression Point
P-0.2dB
f=2GHz
18
23
-
dBm
VSWR
VSWR
f=2GHz, on state
-
1.1
1.3
-
2
5
Switching Time
-2-
Tsw
μs
NJG1655SCC
! TERMINAL INFORMATION
No.
SYMBOL
DESCRIPTION
2
P2A
The 2nd RF port of the 1st switch. This port is connected with PCA port.
PCB port is connected with P2B port at the same time. An external
capacitor is required to block DC voltage.
4
P2B
The 2nd RF port of the 2nd switch. This port is connected with PCB port.
PCA port is connected with P2A port at the same time. An external capacitor
is required to block DC voltage.
6
P1B
The 1st RF port of the 2nd switch. This port is connected with PCB port.
PCA port is connected with P1A port at the same time. An external capacitor
is required to block DC voltage.
7
P1A
The 1st RF port of the 1st switch. This port is connected with PCA port. PCB
port is connected with P1B port at the same time. An external capacitor is
required to block DC voltage.
12
PCB
Common RF port of the 2nd switch. This port is connected with either of
P1B, P2B, and P3B port. An external capacitor is required to block DC
voltage.
13
PCA
Common RF port of the 1st switch. This port is connected with either of
P1A, P2A, and P3A port. An external capacitor is required to block DC
voltage.
15
VDD
Positive voltage supply terminal. The positive voltage (+1.5~+4.5V) has to
be supplied. Please connect a bypass capacitor with GND terminal for
excellent RF performance.
17
CTL2
Control signal input terminal.
This terminal is set to High-Level
(+1.3V~4.5V) or Low-Level (0~+0.4V).
18
CTL1
Control signal input terminal.
This terminal is set to High-Level
(+1.3V~4.5V) or Low-Level (0~+0.4V).
19
P3B
The 3rd RF port of the 2nd switch. This port is connected with PCB port.
PCA port is connected with P3A port at the same time. An external capacitor
is required to block DC voltage.
20
P3A
The 3rd RF port of the 1st switch. This port is connected with PCA port.
PCB port is connected with P3B port at the same time. An external
capacitor is required to block DC voltage.
1,3,5,8,9,
10,11,14,
16
GND
Ground terminal. Please connect this terminal with ground plane as close
as possible for excellent RF performance.
-3-
NJG1655SCC
! ELECTRICAL CHARACTERISTICS
(With Application circuit, Loss of external circuit are excluded)
Insertion Loss vs. Frequency
Isolation vs. Frequency
( VDD=2.7V, VCTL1=1.8V, VCTL2=0V )
0.0
0
PCA-PCB
PCA-P2A
PCA-P3A
PCB-P2B
PCB-P3B
-5
-0.5
Isolation (dB)
Insertion Loss (dB)
PCA-P1A
PCB-P1B
( VDD=2.7V, VCTL1=1.8V, VCTL2=0V )
-1.0
-1.5
-10
-15
-20
-25
-30
-2.0
0.5
1.0
1.5
2.0
-35
0.5
2.5
1.0
Frequency (GHz)
( VDD=2.7V, VCTL1=1.8V, VCTL2=0V )
10
Phase Error (degree)
PCA Port
P1A Port
PCB Port
P1B Port
1.8
VSWR
2.0
2.5
Phase Error vs. Frequency
VSWR vs. Frequency
2.0
1.5
Frequency (GHz)
1.6
1.4
( VDD=2.7V, VCTL(H)=1.8V, VCTL(L)=0V )
PCA-P1A,PCB-P1B
PCA-P2A,PCB-P2B
PCA-P3A,PCB-P3B
5
0
-5
1.2
1.0
0.5
1.0
1.5
2.0
2.5
Insertion Loss vs. Input Power
( f=2GHz, PCA-P1A ON, VCTL1=1.8V, V
Insertion Loss (dB)
=0V )
CTL2
-0.5
-1.0
V =1.5V
DD
V =2V
DD
-1.5
V =2.7V
DD
V =3.5V
DD
V =4.5V
DD
-2.0
-20
-10
0
10
Input Power (dBm)
-4-
1.0
1.5
Frequency (GHz)
Frequency (GHz)
0.0
-10
0.5
20
30
2.0
2.5
NJG1655SCC
! ELECTRICAL CHARACTERISTICS (With Application circuit, Loss of external circuit are excluded)
Insertion Loss vs. Frequency
0
PCA-P1A, PCB-P1B Phase Error vs. Frequency
( PCA-P1A ON, VDD=2.7V, VCTL1 =1.8V, VCTL2=0V )
( VDD=2.7V, VCTL1=1.8V, VCTL2=0V )
10
o
-0.5
-1
o
-45 C
o
-1.5
o
+25 C
Phase Error (degree)
Insertion Loss (dB)
-45 C
+25 C
5
o
+90 C
0
-5
o
+90 C
-2
0.5
1.0
1.5
2.0
2.5
-10
0.5
1.0
IDD vs. Ambient Temperature
2.5
25
V =1.5V
V
V =2.7V
V
DD
DD
20
20
V =3V
DD
Current ICTL (μA)
Current IDD (μ A)
2.0
ICTL vs. Ambient Temperature
( VCTL1=1.8V, VCTL2=0V )
25
1.5
Frequency (GHz)
Frequency (GHz)
15
10
5
V
CTL1
CTL1
CTL1
=1.3V
=1.8V
=2.7V
15
10
5
0
0
-50
0
50
100
o
-50
0
50
100
o
Ambient Temperature ( C )
Ambient Temperature ( C )
Switching Time vs. Ambient Temperature
( VDD=2.7V )
Switching Time (μsec)
3
2.5
2
1.5
1
0.5
0
-50
0
50
100
o
Ambient Temperature ( C )
-5-
NJG1655SCC
! APPLICATION CIRCUIT
CTL1 CTL2
0/1.8V 0/1.8V
C7
56pF
C8
56pF
P3A
20
P3B
19
CTL1
18
CTL2
17
16
VDD
1
P2A
15
DECODER
2
14
3
13
C9
1000pF
C6 56pF
PCA
C1 56pF
P2B
4
12
PCB
C2 56pF
C5 56pF
5
11
7
6
P1B
C4
56pF
8
9
10
P1A
C3
56pF
! PARTS LIST
-6-
PART ID
C1~C8
Value
56pF
C9
1000pF
Notes
MURATA (GRM15)
VDD
2.7V
NJG1655SCC
! TEST PCB LAYOUT
(TOP VIEW)
P3A
P3B
Losses of PCB, capacitors
and connectors
CTL1
P2A
C8
C7
CTL2
PCA
Frequency
Loss
1GHz
0.31dB
2GHz
0.53dB
VDD
C9
C6
PCB SIZE=26 x 26mm
PCB: FR-4, t=0.2mm
STRIPLINE WIDTH=0.4mm
C1
GND
C5
C2
C3
C4
P2B
PCB
P1B
P1A
PRECAUTIONS
[1] The DC blocking capacitors (C1~C8) must be placed at all RF terminals (PCA, PCB, P1A, P1B,
P2A, P2B, P3A and P3B).
[2] The bypass capacitor (C9) should be placed as close as VDD terminal.
[3] Please layout ground pattern right under this IC to avoid degradation of isolation or high power
characteristics..
-7-
NJG1655SCC
! PACKAGE OUTLINE (PCSP20-CC)
0.05
0.8 ± 0.1
2.7 ± 0.08
2.7 ± 0.08
0.01
0.05
0.25 + 0.05
-0
0.45
0.
14
1.2
C
1.2
0.35
Terminal Treat
Substrate
Molding Material
Weight
:Au
:FR4
:Epoxy resin
:14.5mg
Unit
:mm
0.2
Cautions on using this product
This product contains Gallium-Arsenide (GaAs) which is a harmful material.
• Do NOT eat or put into mouth.
• Do NOT dispose in fire or break up this product.
• Do NOT chemically make gas or powder with this product.
• To waste this product, please obey the relating law of your country.
This product may be damaged with electric static discharge (ESD) or spike voltage. Please handle
with care to avoid these damages.
-8-
[CAUTION]
The specifications on this databook are only
given for information , without any guarantee
as regards either mistakes or omissions. The
application circuits in this databook are
described only to show representative usages
of the product and not intended for the
guarantee or permission of any right including
the industrial rights.