HMC778LP6CE
v01.0112
FRACTIONAL-N PLL WITH
INTEGRATED VCO, 9.6 - 10.8 GHz
PLLs with Integrated VCO - SMT
Features
• RF Bandwidth: 9.6 GHz to 10.8 GHz
• 24-bit Step Size, Resolution 3 Hz typ
• Fractional or Integer Modes
• 350 MHz, 14-bit reference path input
• Ultra Low Phase Noise
10.2 GHz; 50 MHz Ref.
-106 / -102 dBc/Hz @ 10 kHz (Int / frac)
-140 dBc/Hz @ 1 MHZ (Open Loop)
• Frequency And Phase Modulation
• Figure of Merit (FOM)
-230 / -227 dBc/Hz (int / Frac)
• Integrated Frequency Sweeper
• Triggered Frequency Hopping
• External Triggering
• 40 Lead 6 x 6 mm SMT Package: 36 mm²
Typical Applications
• VSAT Radio
• Military End-Use
• Microwave Point-To-Point Radios
• Phased Array Applications
• Test Equipment & Industrial Control
• FMCW Radar Systems
Functional Diagram
[1] Please refer to the pin description table for details
1
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for its use,
nor for anyHittite
infringements
of patents or other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
rights of third parties that may result from its use. Specifications subject to change without notice. No
Phone: 978-250-3343
Fax: 978-250-3373
Order
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• Order online at www.analog.com
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HMC778LP6CE
v01.0112
FRACTIONAL-N PLL WITH
INTEGRATED VCO, 9.6 - 10.8 GHz
The HMC778LP6CE is a fully functioned Fractional-N Phase-Locked-Loop (PLL) Frequency Synthesizer with an
integrated Voltage Controlled Oscillator (VCO). The input reference frequency range is DC to 350 MHz while the
advanced delta-sigma modulator design in the fractional synthesizer allows both ultra-fine step sizes and very low
spurious products. The highly integrated structure provides excellent phase noise performance over temperature,
shock and process. In addition, the HMC778LP6CE offers frequency sweep and modulation features, external
triggering, double-buffering, exact frequency control, phase modulation and more. The HMC778LP6CE is packaged
in a leadless QFN 6 x 6 mm surface mount package.
For theory of operation and register map refer to the “PLLs w/ Integrated VCO - Microwave VCOs” Operating Guide.
To view the Operating Guide, please visit www.hittite.com and choose HMC778LP6CE from the “Search by Part
Number” pull down menu.
Electrical Specifications, TA = +25° C; VCCVCO, VDDLS, VPPCPA = +5V;
RVDD, AVDD, VCCPS, VCCHF, VDDPD, DVDD, VDDIO = + 3.3V
Parameter
Condition
Min.
Typ.
Max.
9.6
10.2
10.8
Units
RF Output Characteristics
VCO Output Frequency Range
VCO Output Power
[1]
9
VCO Tuning Voltage
VCO Tuning Sensitivity
Frequency Pulling
Frequency Pushing
2
V TUNE = 6V
into a 2:1 VSWR
V TUNE = 5V
GHz
dBm
13
V
165
MHz/V
5
MHz pp
30
MHz/V
Frequency Drift Rate
1.2
MHz/ °C
Sub Harmonic (1/2)
33
dBc
Harmonic (2nd)
25
dBc
Harmonic (3rd)
VCO SSB Phase Noise @ 100 kHz Offset (Open
Loop)
Synthesizer In-Band SSB Phase Noise
@ 10 kHz Offset (Integer / Fractional)
35
dBc
V TUNE = +5V
Fvco = 10 GHz
-110
dBc/Hz
Fref = 50 MHz Fvco = 10.2 GHz
Loop BW = 100 kHz
-106/-102
dBc/Hz
-230 / -227
dBc/Hz
Synthesizer Noise Floor, Figure Of Merit
(Integer / Fractional)
Synthesizer Fractional Spurs [2]
Synthesizer Frequency Settling Time
(100 MHz Step)
-65
10.2 GHz to 10.3 GHz
Loop BW = 100 kHz, 10°
-45
195
PLLs with Integrated VCO - SMT
General Description
dBc
μs
RF/2 Divider Range
> 4GHz Integer Mode
16 bit, even values only
32
131,070
< 4GHz Integer Mode
16 bit, all values
16
65,535
> 4GHz Fractional Mode
16 bit
40
131,065
< 4GHz Fractional Mode
16 bit
20
65,531
1] See power output vs.tuning voltage graph for power slope.
[2] Actual spur level is dependent on loop parameters and will increase at division ratios closest to integer boundaries.
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for its use,
nor for anyHittite
infringements
of patents or other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
rights of third parties that may result from its use. Specifications subject to change without notice. No
Phone: 978-250-3343
Fax: 978-250-3373
Order
at www.hittite.com
Phone: On-line
781-329-4700
• Order online at www.analog.com
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2
HMC778LP6CE
v01.0112
FRACTIONAL-N PLL WITH
INTEGRATED VCO, 9.6 - 10.8 GHz
PLLs with Integrated VCO - SMT
Electrical Specifications (Continued)
Parameter
Condition
Min.
Typ.
Max.
Units
DC
50
350
MHz
REF Input Characteristics
Frequency Range (3.3V)
Power From 50Ω Source
With off chip 100Ω
termination
Return Loss
Ref Divider Range (14-Bit)
6
dBm
-16
-8
1
16,383
dBm
Phase Detector Rate
Integer Mode
DC
50
115
MHz
Fractional Mode A
DC
50
80
MHz
Fractional Mode B
DC
50
100
MHz
2.5
mA
3.5
6
mA
47
54
%VDDIO
Charge Pump
CP Output Current
20µA steps
CP_gain = CP_current ÷ 2∏
(amps/rad)
CP HiK
see “Charge Pump Gain”
section of “Operation Guide”
0.02
Logic Inputs
Switching Threshold (Vsw)
VIH/VIL within 50mV of Vsw
38
Logic Outputs
VOH Output High Voltage
VDDIO
VOL Output Low Voltage
0
V
V
Output Impedance: Pull Up
VDDIO = 3.3V
115
150
180
Output Impedance: Pull Dn
VDDIO = 3.3V
130
135
210
Ω
1.5
mA
DC Load
Digital Output Driver Delay
SCK to Digital Output Delay
0.5ns + 0.2ns/pF
8.2ns + 0.2ns/pF
1.7 ns with a 3 pF load
Ω
ns
Power Supply Voltages
VCCVCO - VCO Supply
4.75
5.0
5.25
V
3.5
V
RVDD, AVDD, VCCPS, VCCHF,
VDDPD - Analog Supply
all must be equal
2.7
3.3
DVDD, VDDIO - Digital Supply
both must be equal
2.7
3.3
3.5
V
VDDLS, VPPCPA - Charge pump
both must be equal
4.7
5.0
5.2
V
Power Supply Currents
5.0V - VCO Current Consumption
3.3V - PLL Current Consumption
5.0V - Charge Pump Current Consumption
Power Down Current
Bias Reference Voltage (Pin 20)
3
230
265
290
mA
all modes
34
54
95
mA
all modes
3
7
except VCO
Measured with 10 GΩ meter
1.88
1.92
16
mA
100
µA
1.96
V
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Devices
for its use,
nor for anyHittite
infringements
of patents or other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
rights of third parties that may result from its use. Specifications subject to change without notice. No
Phone: 978-250-3343
Fax: 978-250-3373
Order
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Trademarks and registered trademarks are
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HMC778LP6CE
v01.0112
FRACTIONAL-N PLL WITH
INTEGRATED VCO, 9.6 - 10.8 GHz
-70
-80
-80
-90
PHASE NOISE (dBc/Hz)
PHASE NOISE (dBc/Hz)
-70
-100
-110
-120
-130
-140
-150
9.6 GHz
10.2 GHz
10.8 GHz
-160
-170
2
10
10
3
10
-90
-100
-110
-120
-130
-140
+ 25C
+ 85C
- 40C
-150
-160
4
10
5
10
6
10
-170
2
10
7
10
3
OFFSET FREQUENCY (Hz)
-70
-70
-80
-80
-90
-100
-110
-120
-130
-140
-150
-160
3
10
4
10
10
5
10
6
10
7
-90
-100
-110
-120
-130
-140
-150
Fref = 10MHz, Loop BW = 10kHz
Fref = 50MHz, Loop BW = 100kHz
-160
10
4
SSB Phase Noise vs. Reference Freq. &
Loop BW @ 10.20 GHz, Integer Mode
PHASE NOISE (dBc/Hz)
PHASE NOISE (dBc/Hz)
SSB Phase Noise Fractional Spurs @
10.21 GHz, Fref = 10 MHz,
Loop BW = 10 kHz
-170
2
10
10
OFFSET FREQUENCY (Hz)
5
10
6
10
-170
2
10
7
PLLs with Integrated VCO - SMT
SSB Phase Noise vs. Temperature
@ 10.20 GHz, Integer Mode,
Fref = 50 MHz, Loop BW = 100 kHz
SSB Phase Noise vs. Frequency,
Integer Mode, Fref = 50 MHz,
Loop BW = 100 kHz
10
OFFSET FREQUENCY (Hz)
3
10
4
10
5
10
6
10
7
OFFSET FREQUENCY (Hz)
Reference Input Sensitivity,
Sinusoid Wave, 50Ω
Reference Input Sensitivity,
Square Wave, 50Ω
-215
-200
50 MHz
-205
14 MHz sq
25 MHz sq
50 MHz sq
100 MHz sq
25 MHz
FLOOR FOM (dBc/Hz)
FLOOR FOM (dBc/Hz)
-220
-225
14 MHz
-230
-210
25 MHz
-215
14 MHz
-220
50 MHz
-225
-230
100 MHz
100 MHz
-235
-15
-235
-10
-5
0
REFERENCE POWER (dBm)
5
10
-20
-15
-10
-5
0
5
REFERENCE POWER (dBm)
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responsibility
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Devices
for its use,
nor for anyHittite
infringements
of patents or other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
rights of third parties that may result from its use. Specifications subject to change without notice. No
Phone: 978-250-3343
Fax: 978-250-3373
Order
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Application
Support: Phone: 1-800-ANALOG-D
Trademarks and registered trademarks are
the property of their
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Application
Support:
Phone: 978-250-3343
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4
HMC778LP6CE
v01.0112
FRACTIONAL-N PLL WITH
INTEGRATED VCO, 9.6 - 10.8 GHz
11.5
11.5
11
11
OUTPUT FREQUENCY (GHz)
OUTPUT FREQUENCY (GHz)
Frequency vs. Tuning Voltage,
T = 25°C
10.5
10
9.5
9
8.5
+25C
+85C
-40C
8
7.5
10.5
10
9.5
9
8.5
Vcc= 4.75V
Vcc= 5.00V
Vcc= 5.25V
8
7.5
0
1
2
3
4
5
6
7
8
9
10
11 12
13
0
1
2
3
TUNING VOLTAGE (Vdc)
6
7
8
9
10
11 12
13
16
14
OUTPUT POWER (dBm)
600
+25C
+85C
-40C
500
400
300
200
100
12
10
8
6
4
+ 25C
+ 85C
- 40C
2
0
0
1
2
3
4
5
6
7
8
9
10
11 12
13
0
1
2
3
4
5
6
7
8
9
10
11 12
13
TUNING VOLTAGE (Vdc)
TUNING VOLTAGE (Vdc)
Open Loop VCO SSB Phase Noise,
Vtune = +5V
Open Loop VCO SSB Phase Noise vs.
Tuning Voltage
-70
0
-80
SSB PHASE NOISE (dBc/Hz)
SSB PHASE NOISE (dBc/Hz)
5
Output Power vs. Tuning Voltage,
Vcc = +5V
700
0
-90
10khz OFFSET
100khz OFFSET
-100
-110
-120
-20
-40
+25C
+85C
-40C
-60
-80
-100
-120
-140
-160
-130
0
1
2
3
4
5
6
7
8
9
TUNING VOLTAGE (Vdc
5
4
TUNING VOLTAGE (Vdc)
Sensitivity vs. Tuning Voltage,
Vcc = +5V
SENSITIVITY (MHz/Volt)
PLLs with Integrated VCO - SMT
Frequency vs. Tuning Voltage,
Vcc = +5V
10
11 12
13
-180
2
10
3
10
4
5
10
10
OFFSET FREQUENCY (Hz)
6
10
7
10
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Devices
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infringements
of patents or other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
rights of third parties that may result from its use. Specifications subject to change without notice. No
Phone: 978-250-3343
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HMC778LP6CE
v01.0112
FRACTIONAL-N PLL WITH
INTEGRATED VCO, 9.6 - 10.8 GHz
VCCVCO1, VCCVCO2
+5.5V
Vtune
0 to +15V
RVDD, AVDD, VCCPS, VCCHF,
VDDPD
-0.3V to +3.6V
DVDD, VDDIO
-0.3V to +3.6V
VDDLS, VPPCPA
-0.3V to +5.5V
Digital Load
1 KΩ min.
Digital Input 1.4V to 1.7V min. rise time
20 ns
Digital Input Voltage Range
-0.25V to VDDIO + 0.5V
Storage Temperature Range
-65° C to +125° C
ESD Sensitivity (HBM)
Class 1A
Reliability Information
Junction Temperature To Maintain
1 Million Hours MTTF
135 °C
Nominal Junction Temperature (T = +85°C)
123°C
Thermal Resistance
(Junction to GND Paddle, 5V Supply)
24.7 °C/W
Operating Temperature
-40 to +85°C
Outline Drawing
PLLs with Integrated VCO - SMT
Absolute Maximum Ratings
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 0.15 mm MAXIMUM.
PAD BURR HEIGHT SHALL BE 0.05 mm MAXIMUM.
5. PACKAGE WARP SHALL NOT EXCEED 0.05 mm.
6. ALL GROUND LEADS AND GROUND PADDLE MUST
BE SOLDERED TO PCB RF GROUND.
7. REFER TO HITTITE APPLICATION NOTE FOR
SUGGESTED PCB LAND PATTERN.
Package Information
Part Number
Package Body Material
Lead Finish
MSL Rating
Package Marking [1]
HMC778LP6CE
RoHS-compliant Low Stress Injection Molded Plastic
100% matte Sn
MSL3
H778
XXXX
[1] 4-Digit lot number XXXX
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responsibility
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Devices
for its use,
nor for anyHittite
infringements
of patents or other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
rights of third parties that may result from its use. Specifications subject to change without notice. No
Phone: 978-250-3343
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6
HMC778LP6CE
v01.0112
FRACTIONAL-N PLL WITH
INTEGRATED VCO, 9.6 - 10.8 GHz
Pin Descriptions
PLLs with Integrated VCO - SMT
Pin Number
Function
Description
1, 9 - 14, 22, 23, 26, 35
N/C
No connection. These pins may be connected to RF/DC ground.
Performance will not be affected.
2 - 5, 37, 39
GND [1]
Pins must be connected to RF/DC ground
7
GND
This pin and package bottom must be connected to RF/DC ground
6
VTUNE
Control voltage input. Modulation port bandwidth
dependent on drive source impedance.
8
VCCVCO2
+ 5V power supply for VCO.
15
VCCHF
Analog power supply for RF buffer. Nominal + 3.3V, 6 mA max.
16
VDDLS
Power supply for PFD to CP level shifters.
Nominal + 5V, 5 mA max., Fpd dependent.
17
VPPCPA
Power Supply for the charge pump. Nominal + 5V, 10 mA Max.
18
CP
Charge pump output
19
AVDD
Power Supply for analog bias generation. Nominal + 3.3V, 2 mA Max.
20
BIAS [2]
External bypass decoupling for precision bias circuits,
1.920V ±2 mV is generated internally
21
RVDD
Power Supply for Reference Path.
Nominal + 3.3V, 15 mA Max., reference dependent
24
XREFP
Reference input. DC bias is generated internally.
Normally AC coupled externally.
25
VDDPD
Power supply for phase detector. Nominal + 3.3V.
Decoupling for this supply is critical. 5 mA max., Fpd dependent.
27
CEN
CMOS input, hardware chip enable.
28
SEN
CMOS input, serial port latch enable.
29
SCK
CMOS input, serial port clock.
30
SDI
CMOS input, serial port data.
31
DVDD
Power supply for digital. Nominal + 3.3V, 25 mA max., Fpd dependent.
32
VDDIO
Power supply for digital I/O.
Nominal + 3.3V, 8 mA max. (only when driving LD_SDO)
33
LD_SDO
CMOS output. General purpose output;
lock detect, serial data out, others, selectable
34
VCCPS
Power supply for RF divider. Nominal + 3.3V, 35 mA max.
36
TRIG
CMOS input. External trigger.
38
RFOUT
RF output (AC coupled).
40
VCCVCO1
Power Supply for VCO. Nomimal +5V, High Current, VCO dependent
[1] Pins are not connected internally, however, pins must be connected to GND to maintain product family pin for pin compatibility.
[2] BIAS ref voltage (pin 20) cannot drive an external load, and must be measured with a 10 GOhm meter such as Agilent 34410A; a typical
10 Mohm DVM will read erroneously.
7
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Devices
for its use,
nor for anyHittite
infringements
of patents or other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
rights of third parties that may result from its use. Specifications subject to change without notice. No
Phone: 978-250-3343
Fax: 978-250-3373
Order
at www.hittite.com
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HMC778LP6CE
v01.0112
FRACTIONAL-N PLL WITH
INTEGRATED VCO, 9.6 - 10.8 GHz
PLLs with Integrated VCO - SMT
Evaluation PCB
The circuit board used in the 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.
Evaluation PCB Schematic
To view this Evaluation PCB Schematic please visit www.hittite.com and choose HMC778LP6CE from the
“Search by Part Number” pull down menu to view the product splash page.
Evaluation Order Information
Item
Contents
Part Number
Evaluation PCB Only
HMC778LP6CE Evaluation PCB
130371-HMC778LP6CE
Evaluation Kit
HMC778LP6CE Evaluation PCB
USB Interface Board
6’ USB A Male to USB B Female Cable
CD ROM (Contains User Manual, Evaluation Software, Hittite PLL Design Software)
EKIT01-HMC778LP6CE
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Devices
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nor for anyHittite
infringements
of patents or other
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
rights of third parties that may result from its use. Specifications subject to change without notice. No
Phone: 978-250-3343
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Trademarks and registered trademarks are
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