HMC531LP5
/
531LP5E
v01.1208
MMIC VCO w/ HALF FREQUENCY OUTPUT
& DIVIDE-BY-4, 13.6 - 14.9 GHz
Typical Applications
Low noise MMIC VCO w/Half Frequency, Divide-by-4
Outputs for:
• VSAT Radio
• Point to Point/Multipoint Radio
• Test Equipment & Industrial Controls
• Military End-Use
Features
Dual Output: Fo = 13.6 - 14.9 GHz
Fo/2 = 6.8 - 7.45 GHz
Pout: +7 dBm
Phase Noise: -110 dBc/Hz @100 kHz Typ.
No External Resonator Needed
QFN Leadless SMT Package, 25 mm
2
Functional Diagram
General Description
The HMC531LP5 & HMC531LP5E are GaAs InGaP
Heterojunction Bipolar Transistor (HBT) MMIC VCOs.
The HMC531LP5 & HMC531LP5E integrate resona-
tors, negative resistance devices, varactor diodes
and feature half frequency and divide-by-4 outputs.
The VCO’s phase noise performance is excellent over
temperature, shock, and process due to the oscillator’s
monolithic structure. Power output is +7 dBm typical
from a +5V supply voltage. The prescaler function can
be disabled to conserve current if not required. The
voltage controlled oscillator is packaged in a leadless
QFN 5x5 mm surface mount package, and requires no
external matching components.
12
VCOS
WITH
F
O
/2 OUTPUT - SMT
Electrical Specifi cations,
T
A
= +25° C, Vcc1, Vcc2 = +5V
Parameter
Frequency Range
Fo
Fo/2
RFOUT
RFOUT/2
RFOUT/4
+3
+8
-9
-110
Vtune
Icc1 & Icc2
2
220
260
13
300
10
8
1/2
3/2
2nd
3rd
25
35
18
40
5
6
1.2
Min.
Typ.
13.6 - 14.9
6.8 - 7.45
+10
+14
-3
Max.
Units
GHz
GHz
dBm
dBm
dBm
dBc/Hz
V
mA
µA
dB
dBc
dBc
dBc
dBc
MHz pp
MHz/V
MHz/°C
Power Output
SSB Phase Noise @ 100 kHz Offset, Vtune= +5V @ RFOUT
Tune Voltage
Supply Current
Tune Port Leakage Current (Vtune= 13V)
Output Return Loss
Harmonics/Subharmonics
Pulling (into a 2.0:1 VSWR)
Pushing @ Vtune= 5V
Frequency Drift Rate
12 - 140
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
HMC531LP5 / 531LP5E
v01.1208
MMIC VCO w/ HALF FREQUENCY OUTPUT
& DIVIDE-BY-4, 13.6 - 14.9 GHz
Frequency vs. Tuning Voltage, Vcc = +5V
15.6
OUTPUT FREQUENCY (GHz)
OUTPUT FREQUENCY (GHz)
15.1
14.6
14.1
13.6
13.1
12.6
12.1
11.6
0
1
2
3
4
5
6
7
8
9
10
11 12
13
TUNING VOLTAGE (VOLTS)
+25C
+85C
-40C
Frequency vs. Tuning Voltage, T= 25°C
15.6
15.1
14.6
14.1
13.6
13.1
12.6
12.1
11.6
0
1
2
3
4
5
6
7
8
9
10
11 12
13
TUNING VOLTAGE (VOLTS)
Vcc= 4.75V
Vcc= 5.00V
Vcc= 5.25V
Sensitivity vs. Tuning Voltage, Vcc= +5V
800
700
SENSITIVITY (MHz/Volt)
600
500
400
300
200
100
0
0
1
2
3
4
5
6
7
8
9
10
11 12
13
TUNING VOLTAGE (VOLTS)
+25C
+85C
-40C
Output Power
vs. Tuning Voltage, Vcc= +5V
12
10
8
6
4
2
0
0
1
2
3
4
5
6
7
8
9
10
11 12
13
TUNING VOLTAGE (VOLTS)
+25C
+85C
-40C
12
VCOS
WITH
F
O
/2 OUTPUT - SMT
12 - 141
SSB Phase Noise vs. Tuning Voltage
-70
SSB PHASE NOISE (dBc/Hz)
-80
-90
10 kHz Offset
100 kHz Offset
SSB Phase Noise @ Vtune= +5V
0
SSB PHASE NOISE (dBc/Hz)
-20
-40
-60
-80
+25C
+85C
-40C
-100
-110
-120
1
2
3
4
5
6
7
OUTPUT POWER (dBm)
-100
-120
-140
8
9
10
11
12
13
-160
3
10
10
4
10
5
10
6
10
7
TUNING VOLTAGE (VOLTS)
FREQUENCY OFFSET (Hz)
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
HMC531LP5 / 531LP5E
v01.1208
MMIC VCO w/ HALF FREQUENCY OUTPUT
& DIVIDE-BY-4, 13.6 - 14.9 GHz
RFOUT/2 Frequency
vs. Tuning Voltage, Vcc= +5V
7.8
OUTPUT FREQUENCY (GHz)
7.6
OUTPUT POWER (dBm)
7.4
7.2
7
6.8
6.6
6.4
6.2
6
5.8
0
1
2
3
4
5
6
7
8
9
10
11 12
13
TUNING VOLTAGE (VOLTS)
+25C
+85C
-40C
RFOUT/2 Output Power
vs. Tuning Voltage, Vcc= +5V
15
14
13
12
11
10
9
8
7
6
5
0
1
2
3
4
5
6
7
8
9
10
11 12
13
TUNING VOLTAGE (VOLTS)
+25C
+85C
-40C
12
VCOS
WITH
F
O
/2 OUTPUT - SMT
Divide-by-4 Frequency
vs. Tuning Voltage, Vcc= +5V
3.9
OUTPUT FREQUENCY (GHz)
3.8
3.6
3.5
3.4
3.3
3.2
3.1
3
2.9
0
1
2
3
4
5
6
7
8
9
10
11 12
13
TUNING VOLTAGE (VOLTS)
+25C
+85C
-40C
Divide-by-4 Output Power
vs. Tuning Voltage, Vcc= +5V
0
-1
OUTPUT POWER (dBm)
-2
-3
-4
-5
-6
-7
-8
-9
-10
0
1
2
3
4
5
6
7
8
9
10
11 12
13
TUNING VOLTAGE (VOLTS)
+25C
+85C
-40C
3.7
Absolute Maximum Ratings
Vcc1, Vcc2
Vtune
Junction Temperature
Continuous Pdiss (T=85 °C)
(derate 37 mW/C above 85 °C
Thermal Resistance
(junction to ground paddle)
Storage Temperature
Operating Temperature
ESD Sensitivity (HBM)
+5.5 Vdc
0 to +15V
135 °C
1.85 W
27 °C/W
-65 to +150 °C
-40 to +85 °C
Class 1A
Typical Supply Current vs. Vcc
Vcc (V)
4.75
5.00
5.25
Icc (mA)
235
260
275
Note: VCO will operate over full voltage range shown above.
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
12 - 142
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
HMC531LP5 / 531LP5E
v01.1208
MMIC VCO w/ HALF FREQUENCY OUTPUT
& DIVIDE-BY-4, 13.6 - 14.9 GHz
Outline Drawing
NOTES:
1. LEADFRAME MATERIAL: COPPER ALLOY
2. DIMENSIONS ARE IN INCHES [MILLIMETERS]
3. LEAD SPACING TOLERANCE IS NON-CUMULATIVE.
4. PAD BURR LENGTH SHALL BE 0.15mm MAXIMUM.
5. PACKAGE WARP SHALL NOT EXCEED 0.05mm.
6. ALL GROUND LEADS AND GROUND PADDLE MUST BE
SOLDERED TO PCB RF GROUND.
7. REFER TO HITTITE APPLICATION NOTE FOR SUGGESTED LAND PATTERN.
PAD BURR HEIGHT SHALL BE 0.05mm MAXIMUM.
12
VCOS
WITH
F
O
/2 OUTPUT - SMT
12 - 143
Package Information
Part Number
HMC531LP5
HMC531LP5E
Package Body Material
Low Stress Injection Molded Plastic
RoHS-compliant Low Stress Injection Molded Plastic
Lead Finish
Sn/Pb Solder
100% matte Sn
MSL Rating
MSL1
MSL1
[1]
Package Marking
[3]
H531
XXXX
H531
XXXX
[2]
[1] Max peak reflow temperature of 235 °C
[2] Max peak reflow temperature of 260 °C
[3] 4-Digit lot number XXXX
Pin Descriptions
Pin Number
1 - 3, 7 - 10, 13 - 18,
20, 22 - 28, 30 - 32
Function
N/C
Description
No Connection. These pins may be connected to RF/
DC ground. Performance will not be affected.
Interface Schematic
4
RFOUT/4
Divide-by-4 Output.
6
Vcc1
Supply Voltage for prescaler. If prescaler is not
required, this pin may be left open to conserve
65 mA of current.
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
HMC531LP5 / 531LP5E
v01.1208
MMIC VCO w/ HALF FREQUENCY OUTPUT
& DIVIDE-BY-4, 13.6 - 14.9 GHz
Pin Descriptions
Pin Number
Function
Description
Interface Schematic
12
RFOUT/2
Half frequency output (AC coupled).
19
RF OUT
RF output (AC coupled).
21
Vcc2
Supply Voltage, +5V
12
29
VTUNE
VCOS
WITH
F
O
/2 OUTPUT - SMT
Control Voltage and Modulation Input. Modulation
bandwidth dependent on drive source impedance. See
“Determining the FM Bandwidth of a Wideband Varac-
tor Tuned VCO” application note.
5, 11 Paddle
GND
Package bottom has an exposed metal paddle that
must be connected to RF/DC ground.
Typical Application Circuit
12 - 144
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
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