Datasheet

(Measured using the MAX2880 Evaluation Kit. V
CC_
= 3.3V, V
GND_
= 0V, V
CP
= 5.0V, CP[3:0]= 1111, f
RFINN
= 6GHz, f
REF
= 50MHz,
f
PFD
= 50MHz, T
A
= +25°C, unless otherwise noted. See Table 1 and Table 2).
-130
-125
-120
-115
-110
0 3 6 9 12 15
NORMALIZED 1/f NOISE (dBc/Hz)
CP CURRENT CODE
NORMALIZED 1/f NOISE
vs. CP CURRENT CODE
toc05
INTEGER-N
FRAC-N LOW NOISE
OFFSET = 10kHz
FRAC-N LOW SPUR
-130
-125
-120
-115
-110
0.5 1 1.5 2 2.5 3 3.5 4
NORMALIZED 1/f NOISE (dBc/Hz)
V
TUNE
(V)
NORMALIZED 1/f NOISE
vs. TUNE VOLTAGE
toc06
INTEGER-N
FRAC-N LOW NOISE
OFFSET = 10kHz
FRAC-N LOW SPUR
-170
-160
-150
-140
-130
-120
-110
-100
-90
-80
1 10 100 1000 10000 100000
CLOSED-LOOP PHASE NOISE (dBc
/
Hz
)
f
OFFSET
(kHz)
INTEGER-N CLOSED-LOOP PHASE NOISE
vs. OFFSET FREQUENCY
toc07
LBW = 50kHz
T
A
= -40°C,+25°C
T
A
= +85°C
-170
-160
-150
-140
-130
-120
-110
-100
-90
-80
1 10 100 1000 10000 100000
CLOSED-LOOP PHASE NOISE (dBc
/
Hz
)
f
OFFSET
(kHz)
FRAC-N LOW-NOISE MODE
CLOSED-LOOP PHASE NOISE
vs. OFFSET FREQUENCY
toc08
LBW = 50kHz
T
A
= -40°C,+25°C
T
A
= +85°C
-170
-160
-150
-140
-130
-120
-110
-100
-90
-80
1 10 100 1000 10000 100000
CLOSED-LOOP PHASE NOISE (dBc
/
Hz
)
f
OFFSET
(kHz)
FRAC-N LOW-SPUR MODE
CLOSED-LOOP PHASE NOISE
vs. OFFSET FREQUENCY
toc09
LBW = 50kHz
T
A
= -40°C,+25°C
T
A
= +85°C
-45
-35
-25
-15
-5
0 2 4 6 8 10 12
RF INPUT SENSITIVITY (dBm)
FREQUENCY (GHz)
RF INPUT SENSITIVITY vs. FREQUENCY
toc10
-130
-125
-120
-115
-110
-40 -15 10 35 60 85
NORMALIZED 1/f NOISE (dBc/Hz)
TEMPERATURE (°C)
NORMALIZED 1/f NOISE vs. TEMPERATURE
toc04
INTEGER-N
FRAC-N LOW NOISE
OFFSET = 10kHz
FRAC-N LOW SPUR
MAX2880 250MHz to 12.4GHz, High-Performance,
Fractional/Integer-N PLL
Maxim Integrated │ 7
www.maximintegrated.com
Typical Operating Characteristics (continued)