PHASE-FREQUeNCY DETECTOR. HMC984LP4E Datasheet

HMC984LP4E DETECTOR. Datasheet pdf. Equivalent

HMC984LP4E Datasheet
Recommendation HMC984LP4E Datasheet
Part HMC984LP4E
Description DIGITAL PHASE-FREQUeNCY DETECTOR
Feature HMC984LP4E; FREQUENCY DIVIDERS & DETECTORS - SMT HMC984LP4E v02.0112 DIGITAL PHASE-FREQUeNCY DETECTOR Typical .
Manufacture Analog Devices
Datasheet
Download HMC984LP4E Datasheet




Analog Devices HMC984LP4E
HMC984LP4E
v02.0112
DIGITAL PHASE-FREQUeNCY DETECTOR
Typical Applications
The HMC984LP4E is suitable for:
Test Equipment
Portable Instruments
High Performance Fractional-N Frequency
Synthesizers with Ultra Low Spurious Emissions
Military
Features
Ultra-Low Noise:
-231 dBc/Hz FOM Integer Mode
-227 dBc/Hz FOM Fractional Mode
Ultra Low Spurious Emissions:
- Less Than 60 dBc Fractional Spurious
Differential Phase Detector Input
14-bit Reference Frequency Divider
Lock Indicator Output
Phase Measurement Capability
GPIO (General Purpose Input/Output) Test Pin
Cycle Slip Prevention Support with HMC984LP4E
24 pin, 4 x 4 mm, LP4E Package
Functional Diagram
General Description
HMC984LP4E is a high-performance, ultra-low phase
noise, SiGe BiCMOS Phase-Frequency Detector
and Charge Pump targeted to be used together with
the HMC983LP5E (Fractional Frequency Divider) to
together form a high performance, low noise, ultra low
spurious emission fractional-N frequency synthesizer.
Although best performance and maximum features are
achieved when used together with the HMC983LP5E,
the HMC984LP4E can also be used as a stand-alone,
low phase noise phase frequency detector.
The HMC984LP4E can receive differential VCO input,
and a reference frequency as high as 150 MHz. It
features a 14-bit reference frequency R-Divider, and
automatic and/or configurable Lock Detect Indicator,
as well as integrated CSP (Cycle Slip Prevention)
capability, when used together with the HMC983LP5E,
that significantly improves frequency lock time.
Integrated Charge Pump phase swap option enables
seamless interfaced to VCOs and active loop filters
with inverted polarity.
Additional features include adjustable Charge Pump
gain and offset current that improve linearity and
performance, and a Soft Reset feature that resets all
register to default values without having to perform a
power-cycle.
The HMC984LP4E is housed in a compact 24 pin 4x4
mm LP4 package.
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Last Content Update: 02/23/2017
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Analog Devices HMC984LP4E
v02.0112
HMC984LP4E
DIGITAL PHASE-FREQUeNCY DETECTOR
Table 1. Electrical Specifications
TA = +25 °C, AVDD, RVDD, VDDPD1, VDDPD2, DVDD = 3 V; VCCPD, VPPCP, VDDCP = 5 V; GND = 0 V
Parameter
Conditions
Min.
Typ.
Max.
Units
Ref. Input Characteristics
Frequency Range
DC 50 350 MHz
Ref. Input Power Range
50 Ω Source
6 12 dBm
Ref. Input Impedance
100||3
Ω||pF
Ref/-Divider Range (14-bit)
1 16383
Phase Detector (PD)
PD Input Internal Pull-Up Resistance
VCOp, VCOn, Each Side
50 Ω
PD Input Current
VCOp, VCOn, 2.5 mA Steps
12.5 15 17.5 mA
PD Input Voltage Swing
Single-Ended Peak-to-Peak
625 750 875 mV
Fractional Mode
Phase Detector Frequency
12 dBm Sine-Wave Input, Mode A & B
DC
50
125 MHz
2 dBm Square-Wave Input, Mode A & B
DC
50
90 MHz
Integer Mode
Phase Detector Frequency
12 dBm Sine-Wave Input
2 dBm Square-Wave Input
DC 50 175 MHz
DC 50 150 MHz
Charge Pump (CP)
CP Output Current
7-bit Programmable, 20 uA/Step, Charge
Pump Gain = CP Current/2π Amps/rad
0.02
2.5 mA
CP HiK
See “Charge Pump High Gain (HiK)
Mode” section
3.5 6 mA
Offset Current
7-bit Programmable,5 uA/Step
5
635 µA
Phase noise [1]
Integer Mode
-230
dBc/Hz
Fractional Modes A & B
-227
dBc/Hz
Floor Figure of Merit (FOM)
HiK Integer Mode
-232
dBc/Hz
HiK Fractional Mode A
-230
dBc/Hz
Flicker Figure of Merit (FOM)
HiK Fractional Mode B
Integer Mode
Fractional Modes A & B
HiK Integer Mode
HiK Fractional Mode A
HiK Fractional Mode B
-229
-269
-267
-268
-266
-266
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
Spurious [1]
Integer Boundary Spurs @ 2.1 GHz
Integer Boundary Spurs @ 2.1 GHz
1/2 Integer Boundary Spurs
1/3 Integer Boundary Spurs
Frequency offsets less than loop band-
width FPD=50 MHz, Mode A
Frequency offsets less than loop band-
width FPD=50 MHz, Mode B
FPD=50 MHz
FPD=50 MHz
-60 -55 dBc
-70 -65 dBc
-75 -70 dBc
-85 -80 dBc
[1] Measured with HMC983LP5E/HMC984LP4E as fractional-N synthesizer chip set.
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