ETC NJG1542HB3

NJG1542HB3
TENTATIVE
Aug.5,2002 Ver.5
Under Development
SPDT SWITCH GaAs MMIC
n GENERAL DESCRIPTION
NJG1542HB3 is a GaAs SPDT switch IC that features
small-sized package and low insertion loss , and ideally
suited for T/R switch of digital cordless telephone or other
digital wireless systems.
This switch is operated in the wide frequency range from
100MHz to 2.5GHz at low operating voltage from +2.5V.
The ultra small & ultra thin USB8-B3 package is adopted.
n FEATURES
lLow control voltage
lLow insertion loss
lHigh isolation
lPin at 1dB compression point
lLow control current
lUltra small & ultra thin package
n PACKAGE OUTLINE
NJG1542HB3
+2.7V typ.
0.4dB typ. @f=1.0GHz
0.45dB typ. @f=2.0GHz
0.5dB typ. @f=2.5GHz
25dB typ. @f=1.0GHz
20dB typ. @f=2.0GHz
18dB typ. @f=2.5GHz
26dBm typ. @f=2.5GHz
15uA typ.
USB8-B3 (Package size: 1.5x1.5x0.75mm)
n PIN CONFIGURATION
USB8-B3 Type
(TOP VIEW)
Pin connection
1.P1
2.GND
3.P2
4.GND
5.VCTL2
6.PC
7.VCTL1
8.GND
8
1
7
2
6
3
5
4
n TRUTH TABLE
Control Voltage: “H”=VCTL (H), “L”=VCTL (L)
VC T L 1
H
L
VC T L 2
L
H
PC - P1
ON
OFF
PC - P2
OFF
ON
-1-
NJG1542HB3
TENTATIVE
n ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
CONDITIONS
CONDITIONS
UNITS
RF Input Power
PIN
VCTL=0V/2.7V
27
dBm
Control Voltage
VCTL
VCTL terminal
7.5
V
Operating Temp.
Topr
-40~+85
°C
Storage Temp.
Tstg
-55~+150
°C
n ELECTRICAL CHARACTERISTICS
(General conditions: VCTL (L)=0V, VCTL (H)=2.7V, ZS=Zl=50Ω, Ta=25°C)
MIN
TYP
MAX
UNITS
VCTL (L)
-0.2
-
0.2
V
VCTL (H)
2.5
2.7
6.5
V
PARAMETERS
SYMBOL
Control Voltage (LOW)
Control Voltage (HIGH)
CONDITIONS
ICTL
f=2.5GHz, PIN =18dBm
-
15
30
uA
Insertion Loss 1
LOSS1
f=1.0GHz, PIN =18dBm
-
0.4
0.55
dB
Insertion Loss 2
LOSS2
f=2.0GHz, PIN =18dBm
-
0.45
0.5
dB
Insertion Loss 3
LOSS3
f=2.5GHz, PIN =18dBm
-
0.5
0.65
dB
Isolation 1
ISL1
f=1.0GHz, PIN =18dBm
22
25
-
dB
Isolation 2
ISL2
f=2.0GHz, PIN =18dBm
17
20
-
dB
Isolation 3
ISL2
f=2.5GHz, PIN =18dBm
15
18
-
dB
Pin at 1dB
Compression Point
P-1dB
f=2.5GHz
24.5
26
-
dBm
f=0.1~2.5GHz, ON state
-
1.1
1.3
f=0.1~2.5GHz
-
20
100
Control Current
VSWR
Switching time
-2-
VSWR
TSW
ns
TENTATIVE
NJG1542HB3
nTERMINAL INFORMATION
No.
SYMBOL
1
P1
2
GND
3
P2
4
GND
5
VCTL2
6
PC
7
VCTL1
8
GND
DESCRIPTION
RF port. This port is connected with PC port by controlling 7th pin (VCTL(H)) to
2.5~6.5V and 5th pin(VCTL(L)) to -0.2~+0.2V. An external capacitor is required
to block the DC bias voltage of internal circuit. (100MHz: 0.01uF,
0.1~0.5GHz: 1000pF, 0.5~2.5GHz: 56pF)
Ground terminal. Please connect this terminal with ground plane as close
as possible for excellent RF performance.
RF port. This port is connected with PC port by controlling 5th pin (VCTL (H)) to
2.5~6.5V and 7th pin(VCTL(L)) to -0.2~+0.2V. An external capacitor is required
to block the DC bias voltage of internal circuit. (100MHz: 0.01uF,
0.1~0.5GHz: 1000pF, 0.5~2.5GHz: 56pF)
Ground terminal. Please connect this terminal with ground plane as close
as possible for excellent RF performance.
Control port 2. The voltage of this port controls PC to P2 state. The ‘ON’
and ‘OFF’ state is toggled by controlling voltage of this terminal such as
high-state (2.5~6.5V) or low-state (-0.2~+0.2V). The voltage of 7th pin have
to be set to opposite state. The bypass capacitor has to be chosen to
reduce switching time delay from 10pF~1000pF range.
Common RF port. In order to block the DC bias voltage of internal circuit,
an external capacitor is required. (100MHz:0.01uF, 0.1~0.5GHz: 1000pF,
0.5~2.5GHz: 56pF)
Control port 1. The voltage of this port controls PC to P1 state. The ‘ON’
and ‘OFF’ state is toggled by controlling voltage of this terminal such as
high-state (2.5~6.5V) or low-state (-0.2~+0.2V). The voltage of 5th pin have
to be set to opposite state. The bypass capacitor has to be chosen to
reduce switching time delay from 10pF~1000pF range.
Ground terminal. Please connect this terminal with ground plane as close
as possible for excellent RF performance.
-3-
NJG1542HB3
TENTATIVE
nELECTRICAL CHARACTERISTICS
(With Application circuit, Losses of external circuit are excluded)
PC-P1 Insertion Loss vs. Frequency
PC-P2 Insertion Loss vs. Frequency
(VCTL=2.7V/0V)
0.0
0.0
-0.2
-0.2
Insertion Loss (dB)
Insertion Loss (dB)
(VCTL=2.7V/0V)
-0.4
-0.6
-0.8
-0.4
-0.6
-0.8
-1.0
0.0
0.5
1.0
1.5
2.0
2.5
-1.0
3.0
0.0
0.5
Frequency (GHz)
2.0
2.5
3.0
PC-P2 Isolation vs. Frequency
(VCTL=2.7V/0V)
(VCTL=2.7V/0V)
0.0
0.0
-10.0
Lsolation (dB)
-10.0
Lsolation (dB)
1.5
Frequency (GHz)
PC-P1 Isolation vs. Frequency
-20.0
-30.0
-20.0
-30.0
-40.0
-40.0
-50.0
-50.0
0.0
0.5
1.0
1.5
2.0
Frequency (GHz)
-4-
1.0
2.5
3.0
0.0
0.5
1.0
1.5
2.0
Frequency (GHz)
2.5
3.0
NJG1542HB3
TENTATIVE
nELECTRICAL CHARACTERISTICS
(With Application circuit, Losses of external circuit are excluded)
PC-P1 VSWR vs. Frequency
PC-P1 VSWR vs. Frequency
(VCTL=2.7V/0V,P2 port)
3.0
3.0
2.5
2.5
VSWR
VSWR
(VCTL=2.7V/0V,P1 port)
2.0
1.5
2.0
1.5
1.0
0.0
0.5
1.0
1.5
2.0
2.5
1.0
3.0
0.0
0.5
1.0
Frequency (GHz)
1.5
2.0
2.5
3.0
Frequency (GHz)
Insertion Loss vs. Input Power
Input Power vs. Output Power,ICTL
(PC-P1 ON, f=2.5GHz)
(VCTL=2.7V/0V,f=2.5GHz)
30.0
0.0
8
-0.5
-1.0
-1.5
25.0
6
5
20.0
4
3
15.0
2
VCTL(H)=2.7V
VCTL(H)=2.8V
VCTL(H)=3.0V
-2.0
10.0
15.0
1
20.0
25.0
Input Power (dBm)
30.0
10.0
10.0
15.0
20.0
25.0
0
30.0
Input Power (dBm)
-5-
Control Current (uA)
Output Power (dBm)
Insertion Loss (dB)
7
NJG1542HB3
TENTATIVE
nAPPLICATION CIRCUIT
GND
8
P1 C2
1
7
C4
GND
VCTL1
(2.7V/0V)
C1 PC
6
2
R1
P2
3
C3
5
4
C5
VCTL2
(0V/2.7V)
GND
Parts List
Parts ID
C1~C3
C4, C5
R1
Constant
56pF
10pF
560KΩ
Notes
GRM36 MURATA
GRM36 MURATA
1608 Size
nRECOMMENDED PCB DESIGN
(TOP VIEW)
PCB:FR-4, t=0.5mm
Capacitor: Size 1005
Strip Line Width=1.0mm
PCB Size: 19.4x14.0mm
Circuit losses including losses
of capacitors and connectors
freq (GHz)
0.8
1.0
1.5
1.8
2.0
2.5
Loss (dB)
0.11
0.12
0.16
0.19
0.21
0.27
PRECAUTIONS
[1] The DC blocking capacitors have to be placed at RF terminal of P1, P2 and PC.
[2] To reduce stlipline influence on RF characteristics, please locate bypass
capacitors (C4, C5) close to each terminals.
[3] To avoid degradation of isolation or high power characteristics, please layout
ground pattern right under this IC.
-6-
NJG1542HB3
TENTATIVE
nPACKAGE OUTLINE (USB8-B3)
(TOP VIEW)
(SIDE VIEW)
1pin INDEX
0.038±0.01
0.14±0.05
0.75±0.05
1.5±0.05
0.5±0.1 0.5±0.1
2
R0.075
3
0.2±0.1
1
:Au
:FR5
: Epoxy resin
:mm
:TBD
4
0.2±0.1
TERMINAL TREAT
PCB
Molding material
UNIT
WEIGHT
8
0.3±0.1
1.5±0.05
0.3±0.05
7
6
5
0.2±0.05
0.2±0.05
0.4±0.1
(BOTTOM VIEW)
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.
[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.
This product may be damaged with electric static discharge (ESD) or spike voltage. Please handle
with care to avoid these damages.
-7-