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HMC287MS8 / 287MS8E
v02.0605
LOW NOISE AMPLIFIERS - SMT
4
GaAs MMIC LOW NOISE AMPLIFIER
with AGC, 2.3 - 2.5 GHz
Typical Applications
Features
LNA for Spread Spectrum Applications:
Gain: 21 dB
• BLUETOOTH
Noise Figure: 2.5 dB
• HomeRF
Gain Adjustment: 30 dB
• 802.11 WLAN
Single Positive Supply: +3V
• 2.5 GHz Radios
No External Components
Ultra Small Package: MSOP8G
Functional Diagram
General Description
The HMC287MS8 & HMC287MS8E are low cost
Low Noise Amplifiers (LNA) offering 21 dB of gain
and a 2.5 dB noise figure from a single positive +3V
supply that requires only 9 mA. The HMC287MS8 &
HMC287MS8E can be used as variable gain LNAs,
offering 30 dB of gain control, which is controlled
with 0 to 3V analog voltages. The typical output 1 dB
compression point is +3 dBm and OIP3 is +7 dBm
when in the maximum gain state. The compact LNA
design utilizes on-chip matching for repeatable gain
and noise figure performance and eliminates the need
for external matching circuitry to reduce the overall
size of the LNA function.
Electrical Specifi cations, TA = +25° C, Vdd= +3V
Parameter
Min.
Frequency Range
Gain
15
Gain Variation Over Temperature
Max.
Units
GHz
21
27
dB
0.03
0.04
dB/°C
3.0
dB
Gain Adjustment Range (Vctl 0 to +3V)
30
Noise Figure (Vctl = 0V)
2.5
Input Return Loss
dB
5
10
Output Return Loss
3
6
dB
Output 1 dB Compression (P1dB)
-2
3
dBm
Output Third Order Intercept (IP3)
3
7
Control Voltage (Vctl)
0
Supply Current (Idd)(Vdd = +3.0 Vdc)
4-8
Typ.
2.3 - 2.5
9
dB
dBm
Vdd
Vdc
15
mA
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
HMC287MS8 / 287MS8E
v02.0605
GaAs MMIC LOW NOISE AMPLIFIER
with AGC, 2.3 - 2.5 GHz
Broadband Gain
& Return Loss, Vctl = 0V
4
Gain Over Control Voltage Range
35
0V
20
25
1.2V
GAIN (dB)
RESPONSE (dB)
15
15
S21
S11
S22
5
-5
10
5
1.8V
0
2.4V
-5
-15
-25
1.6
3V
-10
1.8
2
2.2
2.4
2.6
2.8
-15
2.2
3
2.3
FREQUENCY (GHz)
2.4
NOISE FIGURE (dB)
GAIN (dB)
2.6
2.5
2.6
+25 C
+85 C
-40 C
4
25
20
+ 85 C
-40 C
+25 C
15
2.3
2.4
3
2
1
2.5
0
2.2
2.6
2.3
2.4
FREQUENCY (GHz)
FREQUENCY (GHz)
Input Return Loss
vs. Temperature, Vctl = 0V
Output Return Loss
vs. Temperature, Vctl = 0V
0
0
OUTPUT RETURN LOSS (dB)
INPUT RETURN LOSS (dB)
2.5
5
30
+85 C
-40 C
+25 C
-5
-10
-15
-20
2.2
2.6
Noise Figure
vs. Temperature, Vctl = 0V
Gain vs. Temperature, Vctl = 0V
10
2.2
2.5
FREQUENCY (GHz)
LOW NOISE AMPLIFIERS - SMT
25
2.3
2.4
FREQUENCY (GHz)
2.5
2.6
-5
-10
+85 C
-40 C
+25 C
-15
-20
2.2
2.3
2.4
FREQUENCY (GHz)
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
4-9
HMC287MS8 / 287MS8E
v02.0605
Gain vs. Control Voltage @ 2.4 GHz
Power Compression @ 2.4 GHz, Vctl = 0V
26
20
20
Pout (dBm), Gain (dB)
26
GAIN (dB)
14
8
2
-4
Output Power (dBm)
Gain (dB)
14
8
2
-4
-10
0.0
0.5
1.0
1.5
2.0
2.5
-10
-30
3.0
-28
-26
-24
Control Voltage (Vdc)
-22
-20
-18
-16
-14
-10
Output Return Loss
Over Control Voltage Range
0
0
OUTPUT RETURN LOSS (dB)
-5
-10
-15
-20
Vctl= 3V
Vctl= 1V
Vctl= 0V
-25
-30
-35
2.2
2.3
2.4
2.5
-5
0V
-10
3V
-15
-20
2.2
2.6
1.0V
2.3
FREQUENCY (GHz)
2.5
2.6
2.5
2.6
Reverse Isolation
vs. Temperature, Vctl = 0V
-30
VCTL
Noise Figure
OIP3 (dBm)*
0V
2.5
7.1
1.7V
4.0
-4.4
3.0V
10.0
-12.9
REVERSE ISOLATION (dB)
Frequency = 2.4 GHz
* Two-tone input power = -30 dBm per tone.
2.4
FREQUENCY (GHz)
Noise Figure and
Output IP3 vs. Control Voltage
-35
-40
-45
+85 C
-40 C
+25 C
-50
-55
-60
2.2
2.3
2.4
FREQUENCY (GHz)
4 - 10
-12
Input Power (dBm)
Input Return Loss
Over Control Voltage Range
INPUT RETURN LOSS (dB)
LOW NOISE AMPLIFIERS - SMT
4
GaAs MMIC LOW NOISE AMPLIFIER
with AGC, 2.3 - 2.5 GHz
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
HMC287MS8 / 287MS8E
GaAs MMIC LOW NOISE AMPLIFIER
with AGC, 2.3 - 2.5 GHz
Absolute Maximum Ratings
Drain Bias Voltage (Vdd)
+7 Vdc
Control Voltage Range (Vctl)
-0.2V to Vdd
RF Input Power (RFIN)(Vdd = +3 Vdc)
-7 dBm
Channel Temperature
150 °C
Continuous Pdiss (T = 85 °C)
(derate 5.62 mW/°C above 85 °C)
0.365 W
Thermal Resistance
(channel to lead)
178 °C/W
Storage Temperature
-65 to +150 °C
Operating Temperature
-40 to +85 °C
4
Gain Control
Typical
Ictl (uA)
Vctl (Vdc)
Gain State
0.0
Maximum
25
1.5
Middle
25
Vdd
Minimum
25
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
Outline Drawing
LOW NOISE AMPLIFIERS - SMT
v02.0605
NOTES:
1. LEADFRAME MATERIAL: COPPER ALLOY
2. DIMENSIONS ARE IN INCHES [MILLIMETERS]
3. DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.15mm PER SIDE.
4. DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.25mm PER SIDE.
5. ALL GROUND LEADS MUST BE SOLDERED TO PCB RF GROUND.
Package Information
Part Number
Package Body Material
Lead Finish
MSL Rating
HMC287MS8
Low Stress Injection Molded Plastic
Sn/Pb Solder
MSL1
HMC287MS8E
RoHS-compliant Low Stress Injection Molded Plastic
100% matte Sn
MSL1
Package Marking [3]
[1]
H287
XXXX
[2]
H287
XXXX
[1] Max peak reflow temperature of 235 °C
[2] Max peak reflow temperature of 260 °C
[3] 4-Digit lot number XXXX
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
4 - 11
HMC287MS8 / 287MS8E
v02.0605
Evaluation PCB
LOW NOISE AMPLIFIERS - SMT
4
GaAs MMIC LOW NOISE AMPLIFIER
with AGC, 2.3 - 2.5 GHz
List of Materials for Evaluation PCB 103739 [1]
Item
Description
J1, J2
PCB Mount SMA Connector
J3, J4
DC Pin
U1
HMC287MS8 / HMC287MS8E Amplifier
PCB [2]
Evaluation Board 1.6” x 1.5”
[1] Reference this number when ordering complete evaluation PCB
[2] Circuit Board Material: Rogers 4350
4 - 12
The circuit board used in the final application should
use RF circuit design techniques. Signal lines
should have 50 ohm impedance while the package
ground leads and exposed paddle should be connected directly to the ground plane similar to that
shown. A sufficient number of via holes should be
used to connect the top and bottom ground planes.
The evaluation circuit board shown is available from
Hittite upon request.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
HMC287MS8 / 287MS8E
v02.0605
GaAs MMIC LOW NOISE AMPLIFIER
with AGC, 2.3 - 2.5 GHz
4
LOW NOISE AMPLIFIERS - SMT
Notes:
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
4 - 13