Datasheet

ADF4360-2 Data Sheet
Rev. C | Page 4 of 24
Parameter B Version Unit Conditions/Comments
RF OUTPUT CHARACTERISTICS
5
VCO Output Frequency 1850/2170 MHz min/max I
CORE
= 20 mA, RF < 2 GHz
I
CORE
= 15 mA, RF > 2 GHz
VCO Sensitivity 57 MHz/V typ
Lock Time
6
400
µs typ
To within 10 Hz of final frequency
Frequency Pushing (Open Loop) 6 MHz/V typ
Frequency Pulling (Open Loop) 15 kHz typ Into 2.00 VSWR load
Harmonic Content (Second) −19 dBc typ
Harmonic Content (Third) −37 dBc typ
Output Power
5, 7
−13/−6 dBm typ Programmable in 3 dB steps (see Table 7)
Output Power Variation
±3
dB typ
For tuned loads, see the Output Matching section
VCO Tuning Range 1.25/2.7 V min/max
NOISE CHARACTERISTICS
5
VCO Phase-Noise Performance
8
−110
dBc/Hz typ
@ 100 kHz offset from carrier
−133 dBc/Hz typ @ 1 MHz offset from carrier
−141 dBc/Hz typ @ 3 MHz offset from carrier
−147 dBc/Hz typ @ 10 MHz offset from carrier
Synthesizer Phase-Noise Floor
9
−172 dBc/Hz typ @ 25 kHz PFD frequency
−163
dBc/Hz typ
@ 200 kHz PFD frequency
−147 dBc/Hz typ @ 8 MHz PFD frequency
In-Band Phase Noise
10, 11
−83 dBc/Hz typ @ 1 kHz offset from carrier
RMS Integrated Phase Error
12
0.64 Degrees typ 100 Hz to 100 kHz
Spurious Signals due to PFD Frequency
11, 13
−70 dBc typ
Level of Unlocked Signal with MTLD Enabled −42 dBm typ
1
Operating temperature range is −40°C to +85°C.
2
Guaranteed by design. Sample tested to ensure compliance.
3
I
CP
is internally modified to maintain constant loop gain over the frequency range.
4
T
A
= 25°C; AV
DD
= DV
DD
= V
VCO
= 3.3 V; P = 32.
5
For RF > 2 GHz, these characteristics are guaranteed only for VCO core power = 15 mA. For frequencies < 2 GHz, these characteristics are guaranteed only for VCO core
power = 20 mA.
6
Jumping from 2.0 GHz to 2.17 GHz. PFD frequency = 200 kHz; loop bandwidth = 10 kHz.
7
Using 50 Ω resistors to V
VCO
into a 50 Ω load. For tuned loads, see the Output Matching section.
8
The noise of the VCO is measured in open-loop conditions.
9
The synthesizer phase-noise floor is estimated by measuring the in-band phase noise at the output of the VCO and subtracting 20 log N (where N is the N divider value).
10
The phase noise is measured with the EV-ADF4360-2EB1Z Evaluation Board and the HP8562E spectrum analyzer. The spectrum analyzer provides the REF
IN
for the
synthesizer; offset frequency = 1 kHz.
11
f
REFIN
= 10 MHz; f
PFD
= 200 kHz; N = 10000; Loop B/W = 10 kHz.
12
f
REFIN
= 10 MHz; f
PFD
= 1 MHz; N = 2000; Loop B/W = 25 kHz.
13
The spurious signals are measured with the EV-ADF4360-2EB1Z Evaluation Board and the HP8562E spectrum analyzer. The spectrum analyzer provides the REF
IN
for
the synthesizer; f
REFOUT
= 10 MHz @ 0 dBm.