NJRC NJG1140KA1

NJG1140KA1
WIDE BAND LOW NOISE AMPLIFIER GaAs MMIC
! GENERAL DESCRIPTION
! PACKAGE OUTLINE
The NJG1140KA1 is a wide band low noise amplifier GaAs MMIC
designed for Set-top Boxes, TV tuners and DTV applications.
The NJG1140KA1 features broadband operation from 50MHz to
2150MHz, high linearity and high ESD tolerance. The NJG1140KA1
requires only four external components. The NJG1140KA1 is
available in a small, lead-free, halogen-free, 1.6mm x 1.6mm x 0.55
NJG1140KA1
mm, 6-pin FLP6-A1 package.
! FEATURES
" Wide operating frequency range
" Operation voltage
" Current consumption
" Gain
" High P-1dB(IN)
" High Input IP3
" High ESD tolerance
" External components count
" Small package
" Lead -free and halogen-free
50MHz~2150MHz
3.3V typ. (+2.5V~+4.0V)
10mA typ. @ VDD=3.3V
9.0dB typ. @ VDD=3.3V
+7.0dBm
@ VDD=3.3V
+9.0dBm
@ VDD=3.3V
On-chip ESD protection circuit
4 pcs. (capacitors 3pcs, inductor 1pc)
FLP6-A1 (package size: 1.6mm x 1.6mm x 0.55mm typ.)
! PIN CONFIGURATION
(TOP VIEW)
GND
4
5
Pin Connection
1. GND
2. GND(NC)
3. RFOUT
4. GND
5. GND(NC)
6. RFIN
RFOUT
3
GND
(NC)
bias
circuit
GND
(NC)
2
LNA
RFIN
6
GND
1
1Pin INDEX
NOTE: The information on this datasheet is subject to change without notice
Ver.2010-03-15
-1-
NJG1140KA1
! ABSOLUTE MAXIMUM RATINGS
Ta=+25°C, Zs=Zl=50Ω
PARAMETER
SYMBOL
CONDITIONS
RATINGS
UNITS
5.0
V
Supply voltage
VDD
Input power
PIN
VDD=3.3V
+15
dBm
Power dissipation
PD
4-layer FR4 PCB with through-hole
(74.2mmx74.2mm), Tj=150°C
580
mW
Operating temperature
Topr
-40~+85
°C
Storage temperature
Tstg
-55~+150
°C
! ELECTRICAL CHARACTERISTICS (DC)
GENERAL CONDITIONS: VDD=3.3V, Ta=+25°C, Zs=Zl=50Ω
PARAMETERS
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Supply voltage
VDD
2.5
3.3
4.0
V
Supply current
IDD
-
10
14
mA
! ELECTRICAL CHARACTERISTICS (RF)
GENERAL CONDITIONS: VDD=3.3V, fRF=50~2150MHz, Ta=+25°C, Zs=Zl=50Ωwith application circuit
PARAMETERS
SYMBOL
Operating frequency
Freq
Small signal gain
Gain
Noise figure
Input power at 1dB gain
compression point
NF
CONDITIONS
Exclude PCB and
connector losses*1
Exclude PCB and
connector losses*2
P-1dB(IN)
Input 3rd order
intercept point
IIP3
f1=fRF, f2=fRF+100kHz,
Pin=-20dBm
Isolation
ISO
S12
MIN
TYP
MAX
UNITS
50
-
2150
MHz
7.0
9.0
12.0
dB
-
2.5
3.0
dB
+2.0
+7.0
-
dBm
+5.0
+9.0
-
dBm
-
-16.0
-
dB
RF IN VSWR
VSWRi
-
1.5
3.3
RF OUT VSWR
VSWRo
-
1.5
3.3
*1: Input and output PCB, connector losses:
*2: Input PCB, connector losses:
-2-
0.016dB(at 50MHz), 0.254dB(at 2150MHz)
0.008dB(at 50MHz), 0127dB(at 2150MHz)
NJG1140KA1
! TERMINAL INFORMATION
No.
SYMBOL
DESCRIPTION
1
GND
2
NC
(GND)
No connected terminal. This terminal is not connected with internal
circuit. Connect to the PCB ground plane.
3
RFOUT
RF output terminal. Requires a DC blocking capacitor C2 and DC feed
inductor L1.
4
GND
5
NC
(GND)
No connected terminal. This terminal is not connected with internal
circuit. Connect to the PCB ground plane.
6
RFIN
RF input terminal. Requires a DC bloking capacitor C1.
Ground terminal. Connect to the PCB ground plane.
Ground terminal. Connect to the PCB ground plane.
Notes: Ground terminal (No.1 and 4) and NC terminal (No.2 and 5) should be connected with the
PCB ground for good RF performance.
-3-
NJG1140KA1
! TYPICAL CHARACTERISTICS
GENERAL CONDITIONS : VDD=3.3V, Ta=+25oC, Zs=Zl=50ohm
Pout vs. Pin
Gain, IDD vs. Pin
(freq=620MHz)
(freq=620MHz)
20
12
10
10
50
0
8
40
6
30
60
-10
Pout
-20
-30
IDD
4
20
2
10
P-1dB(IN)=+8.2dBm
P-1dB(IN)=+8.2dBm
-40
-40
-30
-20
-10
0
0
-40
10
0
-30
-20
-10
0
10
Pin (dBm)
Pin (dBm)
Pout, IM3 vs. Pin
Gain, NF vs. Frequency
(f1=620MHz, f2=f1+100kHz)
(freq=50~3000MHz)
20
12
5
10
0
Pout
4.5
Gain
8
4
-40
-60
IM3
6
3.5
4
3
2
2.5
0
2
NF
-80
-2
IIP3=+9.8dBm
-100
-40
1.5
(Exclude PCB, Connector Losses)
-4
-30
-20
-10
0
10
0
500
1000
2500
1
3000
P-1dB(IN) vs. Frequency
IIP3, OIP3 vs. Frequency
(freq=50~2150MHz)
(f1=50~2150MHz, f2=f1+100kHz, Pin=-20dBm)
12
22
10
20
P-1dB(IN)
8
6
4
OIP3
18
16
14
12
IIP3
2
10
0
0
500
1000
1500
Frequency (MHz)
-4-
2000
Frequency (MHz)
IIP3, OIP3 (dBm)
P-1dB(IN) (dBm)
Pin (dBm)
1500
2000
2500
8
0
500
1000
1500
Frequency (MHz)
2000
2500
NF (dB)
-20
Gain (dB)
Pout, IM3 (dBm)
IDD (mA)
Gain (dB)
Pout (dBm)
Gain
NJG1140KA1
! TYPICAL CHARACTERISTICS
GENERAL CONDITIONS : VDD=3.3V, Ta=+25oC, Zs=Zl=50ohm
P-1dB(IN) vs. VDD
Gain, NF vs. VDD
(f=620MHz)
(f=620MHz)
5
14
11
4.5
12
4
10
9
3.5
8
3
7
2.5
6
2
NF
5
NF(dB)
Gain (dB)
Gain
P-1dB(IN) (dBm)
12
10
8
6
4
1.5
2
1
0
(Exclude PCB, Connector Losses)
4
2
2.5
3
3.5
4
2
4.5
2.5
3
4
4.5
4
4.5
VSWR vs. VDD
OIP3, IIP3 vs. VDD
(f=620MHz)
(f=620MHz)
25
4
3.5
OIP3
20
3
VSWR
OIP3, IIP3 (dBm)
3.5
VDD (V)
VDD (V)
15
2.5
VSWRo
2
IIP3
10
1.5
VSWRi
5
2
2.5
3
3.5
4
4.5
VDD (V)
1
2
2.5
3
3.5
VDD (V)
IDD vs. VDD
(RF OFF)
20
IDD (mA)
15
10
5
0
2
2.5
3
3.5
4
4.5
VDD (V)
-5-
NJG1140KA1
! TYPICAL CHARACTERISTICS
GENERAL CONDITIONS : VDD=3.3V, Ta=+25oC, Zs=Zl=50ohm
S11, S22
S21, S12
VSWR
Zin, Zout
S11, S22 (f=50MHz~20GHz)
-6-
S21, S12 (f=50MHz~20GHz)
NJG1140KA1
! TYPICAL CHARACTERISTICS
GENERAL CONDITIONS : VDD=3.3V, Zs=Zl=50ohm
Gain, NF vs. Temperature
P-1dB(IN) vs. Temperature
(f=620MHz)
(f=620MHz)
4
11
3.5
Gain
3
2.5
9
NF
2
8
NF(dB)
Gain (dB)
10
15
P-1dB(IN) (dBm)
12
10
5
1.5
7
(Exclude PCB, Connector Losses)
6
-40
-20
0
20
40
60
80
0
-40
1
100
-20
0
20
Temperature ( C)
60
80
100
80
100
VSWR vs. Temperature
OIP3, IIP3 vs. Temperature
(f1=620MHz)
(f1=620MHz, f2=f1+100kHz, Pin=-20dBm)
4
24
OIP3
20
3.5
3
16
VSWR
OIP3, IIP3 (dBm)
40
Temperature (oC)
o
12
2.5
VSWRo
2
IIP3
8
1.5
VSWRi
4
-40
-20
0
20
40
60
80
1
-40
100
-20
0
20
40
60
o
o
Temperature ( C)
Temperature ( C)
IDD vs. Temperature
K factor vs. Temperature
(RF OFF)
(f=50MHz~20GHz)
14
20
o
-40( C)
o
12
-20( C)
o
0( C)
15
10
o
25( C)
o
K factor
IDD (mA)
60( C)
8
6
4
o
85( C)
10
5
2
0
-40
0
-20
0
20
40
60
Temperature (oC)
80
100
0
5
10
15
20
Frequency (GHz)
-7-
NJG1140KA1
! APPLICATION CIRCUIT
(Top View)
GND
RFOUT
4
5
C2
0.01μF
RFOUT
L1
270nH
VDD
3
GND
(NC)
bias
circuit
GND
(NC)
C3
0.01μF
2
LNA
RFIN
GND
RFIN
6
1
C1
0.01μF
1Pin INDEX
! TEST PCB LAYOUT
(Top View)
Parts list
Parts ID
VDD
L1
C1~C3
C3
Comments
TAIYO YUDEN
HK1005 Series
MURATA MFG
GRM15 Series
L1
RF IN
C2
C1
RF OUT
PCB (FR-4):
t=0.2mm
MICROSTRIP LINE WIDTH
=0.40mm (Z0=50Ω)
PCB SIZE=16.8mm x 16.8mm
1Pin INDEX
CAUTION
In order not to couple with terminal RFIN and RFOUT, please layout ground pattern under the IC.
-8-
NJG1140KA1
! PACKAGE OUTLINE (FLP6-A1)
1.6 0.05
0.05
1.6 0.05
1.2 0.05
0.2 0.1
0.55
0.1
0.5
0.2 0.1
0.13 0.05
0.5
0.1
0.22 0.05
Unit: mm
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.
-9-